Airbus Abbreviation List

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Abbreviation	Full Form	Abbreviation	Full Form
3D	Three Dimensional (Lat, Long, Alt)	4D	Four Dimensional (Lat, Long, Alt, Time)
A	Amber	A	Air
A	Alternate	A	Area
A/BRK	Autobrake	A/C	Aircraft
A/COLL	Anti-Collision	A/D	Analog/Digital
A/DC	Analog-to-Digital Converter	A/F	Auto Flight
A/G	Air to Ground	A/L	Airline
A/N	Alphanumeric	A/N SIZE	Alpha Numeric Size
A/R	Audio Reproducer	A/S	Airspeed
A/S	Auto Stabilization	A/SKID	Anti-Skid
A/STAB	Auto Stabilizer	A/T	Adjustment/Test
A/THR	Autothrust	A/XFMR	Autotransformer
A.ICE	Anti-ice	A.ICE	Anti-icing
A2P	Assurance, Prevention, Protection	AA	Airworthiness Authorities
AA	Arithmetical Average	AAA	Airworthiness Approval Attestation
AAAH	Airbus Approved Abbreviations Handbook	AAC	Airline Administrative Communications
AACD	Aeronautical Administrative Communication Domain	AADC	Analog Air Data Computer
AAL	Above Aerodrome Level	AAM	Airbus Acceptable Mass
AAMD	Aeronautical Administrative Maintenance Domain	AAMG	Airbus Application Management Group
AAP	Additional Attendant Panel	AAP	Aft Attendant Panel
AAT	Aircraft Allocation Table	ABBR	Abbreviation
ABCD	Airbus Collective Data Dictionary	ABCM	Alternate Brake Control Manifold
ABCU	Alternate Braking Control Unit	ABD	Airbus Directive and Procedure
ABDC	Avionics Broadcast Data Collector	ABEC	Airbus (Beijing) Engineering Centre Company Limited
ABM	APU Build-up Manual	ABM	Abeam
ABN	Abnormal	ABNORM	Abnormal
ABPM	Avionics Bare Processing Module	ABRN	Airborne
ABS	Autobrake System	ABS	Airbus Standard
ABSELV	Alternate Brake Selector Valve	ABSORB	Absorber
ABS VAL	Absolute Value	ABTS	Avionics Blowing Temperature Sensor
ABV	Above	AC	Airplane Characteristics for Airport Planning
AC	Alternating Current	AC	Advisory Circular
ACARS	Aircraft Communication Addressing and Reporting System	ACAS	Airborne Collision Avoidance System
ACC	Active Clearance Control	ACC	Area Control Center
ACC	Aircraft Configuration Control	ACCEL	Acceleration/Accelerate
ACCESS	Accessory	ACCLRM	Accelerometer
ACCU	Accumulator	ACCUR	Accuracy
ACD	Additional Control Device	ACD	Airframe Certification Document
ACD	Airworthiness Certification Dossier	ACD	Aircraft Control Domain
ACDB	Aircraft Component Data Base	ACE	Airbus Concurrent Engineering
ACE	Altimeter Control Equipment	ACFT	Aircraft
ACFU	Aircraft Check Follow Up	ACG	Aircraft Center of Gravity
ACGS	Aircraft GSM Server	ACIA	Asynchronous Communications Interface Adaptor
ACJ	Advisory Circular-Joint	ACK	Acknowledge
ACL	Aircraft Configuration List	ACLSP	Aircraft Loadable Software Part
ACM	Air Cycle Machine	ACM	Abbreviated Component Maintenance Manual
ACM	Aircraft Configuration Matrix	ACM	Aircraft Conversion Manual
ACMB	Aircraft Configuration Management Board	ACMM	Abbreviated Component Maintenance Manual
ACMM	Aircraft Configuration Meta Model	ACMP	Airframe Condition Monitoring Procedure
ACMR	Aircraft Configuration Management Rules	ACMS	Aircraft Condition Monitoring System
ACMS-SA	ACMS-Server Application	ACMT	Aircraft Component Management Team
ACN	Aircraft Classification Number	ACO	Airworthiness Certification Office
ACOB	Automatic Call Out Box	ACOC	Air Cooled Oil Cooler
ACP	Area Call Panel	ACP	Audio Control Panel
ACP	Altimeter Check Point	ACQ	Acquire
ACQN	Acquisition	ACR	Avionics Communication Router
ACRIF	ACR Instrumentation Function	ACRT	Additional Cross Reference Table
ACS	Access	ACS	Alternating Current Supply
ACS	Air Conditioning System	ACSA	Atelier du Calculateur en Structure Aéronautique
ACSC	Air Conditioning System Controller	ACT	Active
ACT	Additional Center Tank	ACT	Activity
ACT	Applicability Cross-reference Table	ACTD	Actuated
ACTG	Actuating	ACTIV	Active
ACTN	Action	ACTR	Actuator
ACTVN	Activation	ACTVT	Activate
ACU	Air Cooling Unit	ACU	Antenna Coupler Unit
ACU	Antenna Control Unit	ACUTE	Airbus Cockpit Universal Thrust Emulator
ACVR	Alternating Current Voltage Ratio	ACWP	Actual Cost of Work Performed
AD	Aerodrome	AD	Airplane Datum
AD	Airworthiness Directive	A-D	Airbus Deutschland
ADAM	Airbus Spares Distribution and Materials System	ADAP	As Designed As Planned
ADAU	Auxiliary Data Acquisition Unit	ADB	Airport DataBase
ADB	Area Distribution Box	ADB	Aeronautical DataBase
ADB	Automatic Differential Braking	ADC	Air Data Computer
ADC	Airbus Delivery Centre	ADCL	Airworthiness Directives Compliance List
ADCN	Avionics Data Communication Network	ADCOMS	Advanced Configuration Management System
ADCSIP	Acceptance and Delivery Customer Satisfaction Improvement Programme	ADD	Addition
ADD	Additional	ADD	Aircraft Description Data Base
ADD	Aircraft Design Declaration	ADD	Aircraft Description Document
ADD BY	Added By	ADF	Automatic Direction Finder
ADG	Air Driven Generator	ADGB	Active Differential Gearbox
ADI	Attitude Director Indicator	ADIRS	Air Data/Inertial Reference System
ADIRU	Air Data/Inertial Reference Unit	ADIS	AFDX Digital Injection System
ADJ	Adjust	ADJMT	Adjustment
ADL	Airborne Data Loader	ADL	Aircraft Data Loader
ADL	Allowable Damage and Limitations	ADL	Applicable Documents List
ADM	Air Data Module	ADMZ	Aircraft DeMilitarized Zone
ADNS	Airbus Document Numbering Service	ADO	Airbus Documentation Office
ADOPT	Airbus Design and Operational Philosophy in Training	ADPM	Aircraft Deactivation Procedures Manual
ADPTN	Adaptation	ADPTR	Adapter
ADR	Air Data Reference	ADR	Advisory Route
ADRES	Aircraft Documentation Retrieval System	ADRS	Address
ADS	Air Data System	ADS	Automatic Dependent Surveillance
ADS	Airbus Document Services	ADS-B	Automatic Dependent Surveillance-Broadcast
ADS-C	Automatic Dependent Surveillance-Contract	ADSM	Avionics Data Storage Module
ADU	Area Distribution Unit	ADU	Align Display Unit
ADV	Advisory	A-E	Airbus Espana
AEB	Airline Engineering Bulletin	AECI	Airbus Engineering Center India
AECM	Alternate Extension Control Module	AECMA	The European Association of Aerospace Industries
AEDS	Axle Equipment Drive Shaft	AEDS	Airbus Enterprise Directory Service
AEEC	Airlines Electronic Engineering Committee	AERO	Aviation Routine Weather Report
AES	Aircraft Earth Station	AESS	Aircraft Environment Surveillance System
AESU	Aircraft Environment Surveillance Unit	AEVC	Avionics Equipment Ventilation Computer
AEX	Access Authorized	AF	Audio Frequency
AF	Acceptance Flight	AF	All Freighter
AF	DME Arc to Fixed Waypoint	A-F	Airbus France
AFB	Antifriction Bearing	AFC	Automatic Frequency Control
AFCS	Automatic Flight Control System	AFDX	Avionics Full Duplex Switched Ethernet
AFECU	Automatic Fire Extinguishing Control Unit	AFFECTD	Affected
AFFIRM	Affirmative	AFI	Aircraft Fault Isolation
AFIS	Airline In Flight Information System	AFL	Auto Flush
AFM	Airplane Flight Manual	AFMC	Auxiliary Fuel Management Computer
AFMR	Airframer	AFN	ATS Facilities Notification
AFP	Advanced Fiber Placement	AFR	Airframe
AFR	Aircraft Fault Reporting	AFRP	Aramid Fiber Reinforced Plastic
AFS	Automatic Flight System	AFSA	Airbus France Standard Architecture
AFTN	Aeronautical Fixed Telecommunication Network	AFTR	After
AFU	Artificial Feel Unit	AGB	Accessory Gearbox
AGB	Angle Gearbox	AGC	APU Generator Contactor
AGC	Automatic Gain Control	AGE	Aircraft Ground Equipment
AGG	Airbus General Guide	AGL	Above Ground Level
AGMT	Augment	AGP	Alternate Gauging Processor
AGS	Air Generation System	AGS	Aircraft GSM Server
AGS	Aircraft General Stores	AGT	Agent
AGU	Air Generation Unit	AGW	Actual Gross Weight
AHP	Anti-Hijacking Panel	AHRS	Attitude and Heading Reference System
AHRU	Attitude and Heading Reference Unit	AI	Anti-Icing
AIB	Airbus Industrie	AIBU	Advanced Illumination Ballast Unit
AIC	Access Illustration Cards	AIC	Airbus Integrated Company
AICC	Aviation Industry CBT Committee	A-ICE	Anti-Ice
AICF	Anti Ice Control Function	AICS	Anti Ice Control System
AICU	Anti Ice Control Unit	AID	Aircraft Installation Delay
AIDA	Airbus Industrie Drawing Access	AIDA	Attestation Integrated Delta Aggregation
AIDS	Aircraft Integrated Data System	AIG	Accident Investigation
AIL	Aileron	AIM	Aircraft Integrated Maintenance
AIM/CRM	Airbus Integrated Management/Cockpit Resource Management	AIME	Autonomous Integrity Monitored Extrapolation
AIM-FANS	Airbus Interoperable Modular-Future Air Navigation Sys	AIMI	Avionics Information Management Interface
AIMS	Airbus Improvement Management System	AIMS	Airbus Material Specification
AIMS	Airbus Inventory Management System	AIN	Airbus Integrated Network
AINA	Airbus North America	AINS	Aircraft Information Network System
AIP	Attendant Indication Panel	AIP	Aeronautical Information Publication
AIPC	Aircraft Illustrated Parts Catalog	AIPI	Airbus Process Instruction
AIPS	Airbus Process Specification	AIQI	Airbus Industrie Quality Instruction
AIR	Aircraft Inspection Report	AIRCOND	Air Conditioning
AIRMAN	Aircraft Maintenance Analysis	AIS	Audio Integrated System
AIS	Aeronautical Information Service	AISD	Airline Information Services Domain
AISI	American Iron and Steel Institute	AISS	Aeronautical Information Systems Security
AIT	Accident Information Telex	AITM	Airbus Test Method
AIU	Aircraft Interface Unit	AKC	Assembly Key Characteristic
AL	Airline	ALE	Automatic Link Establishment
ALERFA	Alert Phase	ALF	Aft Looking Forward
ALHP	Airframe Life-History Program	ALIGN	Alignment
ALIGND	Aligned	ALLWD	Allowed
ALNA	Airline Network Architecture	ALPHA	Angle-of-Attack
ALPHANUM	Alphanumerical	ALPS	Aircraft Lease Portfolio Securitisation
ALS	Approach Light System	ALS	Airworthiness Limitation Section
ALSCU	Auxiliary Level Sensing Control Unit	ALT	Altitude
ALT ACQ	Altitude Acquire	ALTM	Altimeter
ALTN	Alternate	ALTN	Alternative
ALT REFF	Alternate to a Retraction, Extension and/or Free Fall test	ALT TO	Alternate To
ALTU	Annunciator Light Test Unit	ALU	Arithmetic and Logic Unit
AM	Amplitude Modulation	AM	Airbus Means and Methods Document
AMB	Ambient	AMC	Acceptable Means of Compliance
AMD	Aircraft Maintenance Description	AMDB	Airport Mapping DataBase
AME	Amplitude Modulation Equivalent	AMEX	Avionics Message Exchanger
AMF	Avionics Messaging Forwarder	AMI	Airline Modifiable Information
AMII	Airlines Maintenance Inspection Intervals	AMISA	Advanced Model-Integrated Specifications for Airbus
AMJ	Advisory Material-Joint	AMM	Aircraft Maintenance Manual
AMM	Ammeter	AMP	Amperage
AMP	Ampere	AMP	Avionics Maintainability Plan
AMP	Aircraft Maintenance Procedure	AMPL	Amplifier
AMS	Air-ground Message Server	AMS	Aeronautical Material Specifications
AMS	Aerospace Material Specification	AMS	Aircraft Modification Status
AMTOSS	Aircraft Maintenance Task Oriented Support System	AMU	Audio Management Unit
AN	Air Navigation	ANCE	Announce
AND	Aircraft Nose Down	ANDT	Aircraft Non Destructive Test
ANF	Airport Navigation Function	ANI	Analog Input
ANLG	Analogic	ANN	Annunciator
ANNCE	Announce	ANNCMT	Announcement
ANN LT	Annunciator Light	ANO	Analog Output
ANPT	Aeronautical National Taper Pipe Threads	ANSA	At Nearest Suitable Airport
ANSI	American National Standards Institute	ANSU	Aircraft Network Server Unit
ANT	Antenna	ANU	Aircraft Nose Up
AO	Access Opening	AOA	Angle Of Attack
AOAS	Angle of Attack Sensor	AOC	Airline Operational Control
AOC	Air Operator's Certificate	AOD	Audio on Demand
AOG	Aircraft On Ground	AOHX	Air/Oil Heat Exchanger
AOLS	Airbus On-Line Services	AOM	Aircraft Operating Manual
AOMT	Airbus Onboard Maintenance Tool	AOP	Airbus Operational Plan
AOPM	Airbus Operational Process Map	AOT	All Operators Telex
AP	Autopilot	AP	Airborne Printer
AP	Airbus Procedure	AP/FD	Autopilot/Flight Director
APASHE	Aircraft Publication Automated Shipping Expedite	APC	Area Positive Control
API	Application Programming Interface	APLC	Aircraft Power Line Conditioner
APM	ARINC Processing Module	APM	Aircraft Performance Monitoring Program
APM	Airport Planning Manual	APP	Appearance
APP	Approach Control-Approach Control Office	APPL	Application
APPR	Approach	APPROX	Approximately
APPU	Asymmetry Position Pick Off Unit	APQ	Airline Pre-Qualification
APS	Avionics Printing Service	APS	Absolute Pressure Sensor
APS	Aircraft Prepared for Service	APS	Auxiliary Power Supply
APS	Auxiliary Power System	APT	Acceptance Production Test
APU	Auxiliary Power Unit	APU AFE	APU Automatic Fire Extinguishing Control Unit
AQP	Advanced Qualification Program	AR	As Required
AR	Audio Reproducer	ARC	Air Refueling Computer
ARG	Arresting Gear or Hook	ARINC	Aeronautical Radio Incorporated
ARM	Aircraft Recovery Manual	ARM	Airworthiness Review Meeting
ARMD	Armed	ARMG	Arming
ARMT	Armament	ARN	Aircraft Registration Number
ARND	Around	ARO	After Receipt Order
ARP	Aerospace Recommended Practice	ARP	Aerodrome Reference Point - Airport Reference Point
ARP	Airbus Resource Planning	ARPT	Airport
ARR	Arrival	ARR	Arriving
ARS	Airworthiness Review Sheet	ART	Active Repair Time
ART	Airbus Road Transport	ARTCC	Air Route Traffic Control Centre
ARTCLD	Articulated	ARTF	Artificial
ARU	Aircraft Router Unit	ARU	Audio Reproducer Unit
ARV	Alternate Refill Valve	AS	Airscoop
AS	Airspeed	ASA	All Speed Aileron
ASA	Audio and Sign Adapter	ASAP	As soon as possible
ASAP	Advanced Statistics Analysis Project	ASCII	American Standard Code for Information Interchange
ASCO	Airbus Service Company Inc.	ASCOM	Aircraft Standard Configuration Management
ASCU	Air Systems Control Unit	ASD	Accelerate Stop Distance
ASD	Airborne Services Domain	ASD	Aircraft Schematic Diagram
ASDC	Airline Service Data Collection	ASE	Airborne Support Equipment
ASE	Airbus Supplied Equipment	ASF	Amperes per Square Foot
ASF	Avionics Server Function	ASFC	Avionics Server Function Cabinet
ASG	Airbus Security Group	ASI	Airspeed Indicator
ASIC	Application Specific Integrated Circuits	ASM	Aircraft Schematics Manual
ASM	American Society for Metals	ASM	Air Separation Module
ASMA	Aircraft Systems Maintenance Aids	ASN	Aerospatiale Norme (Standard)
ASO	Assembly Stage Operation	ASP	Audio Selector Panel
ASPSU	Autonomous Standby Power Supply Unit	ASR	Airport Surveillance Radar
ASR	Aircraft Structural Repair	ASS	Aircraft Security System
ASSCU	Aircraft Security System Control Unit	ASSY	Assembly
ASU	Attendant Service Unit	ASV	Alternate Servo Valve
ASYM	Asymmetric(al)	AT	Autothrust
AT	Autothrottle	ATA	Actual Time of Arrival
ATA	Air Transport Association of America	ATA	Assembly Test Article
ATAM	Airbus Takeoff Analysis Module	ATB	ATA 100 Breakdown
ATC	Air Traffic Control	ATC	Airbus Training Center
ATCA	Air Traffic Control Board	ATCDB	Aircraft Technical Characteristics Data Base
ATCH	Attach(ment)	ATCI	Air Traffic Control and Information
ATCK	Attack	ATCRB	Air Traffic Control Radar Beacon
ATCSS	Air Traffic Control Data Link Signalling System	ATD	Actual Time of Departure
ATD	Aircraft Technical Definition	ATE	Automatic Test Equipment
ATEC	Automatic Test Equipment Complex	ATI	Air Transport Indicator
ATI	Airbus Transport International	ATIMS	Air Traffic and Information Management System
ATIS	Automatic Terminal Information Service	ATL	Applicable Tool List
ATL	Automatic Tape Laying	ATLAS	Abbreviated Test Language for Avionics Systems
ATLAS	Abbreviated Test Language for All Systems	ATM	Air Traffic Management
ATM	Aircraft Transportability Manual	ATM	Available Ton-Mile
ATMG	Airbus Technical Management Group	ATMS	Advanced Text Management System
ATN	Aeronautical Telecommunications Network	ATO	Authorization to Offer
ATQC	Airbus Temporary Quick Change	ATR	Austin Trumbull Radio
ATRCCS	Automatic Turbine Rotor Clearance Control System	ATS	Air Traffic Service
ATS	Autothrottle System	ATS	Airbus Technical Specification
ATS	Autothrust System	ATSAW	Airborne Traffic Situational Awareness
ATSCD	Air Traffic System Communications Domain (ATSCD)	ATSU	Air Traffic Service Unit
ATT	Attitude	ATT	Attitude Reference
ATTEN	Attenuation	ATTND	Attendant
ATU	AutoTransformer Unit	ATUC	ATU Contactor
ATULC	ATU Line Contactor	ATUPU	ATU Protection Unit
ATZ	Aerodrome Traffic Zone	AUD	Audio
AUDSWTGSYS	Audio Switching System	AUDSWTGUNIT	Audio Switching Unit
A-UK	Airbus UK	AUTH	Authorize
AUTO	Automatic	AUTOCAL	Autocalibration
AUTOLAND	Automatic Landing	AUW	All-Up Weight
AUX	Auxiliary	AVAIL	Availability
AVAIL	Available	A-VaRTM	Advanced Vacuum-assisted Resin Transfer Moulding
AVG	Asset Value Guarantee	AVG	Average
AVIONICS	Aviation Electronics	AVIS	Aircraft Virtual Insider System
AVM	Avionics Video Module	AVNCS	Avionics
AVOD	Audio/Video on Demand	AVRS	Audio/Video Recording System
AVS	Avionics Ventilation System	AVV	Air Vent Valve
AWACS	Advanced Warning (on) Aircraft Commercial Sales	AWB	Air Waybill
AWD	Aircraft Wiring Diagram	AWG	American Wire Gage
AWG	Audible Warning Generator	AWL	Aircraft Wiring List
AWLS	All Weather Landing System	AWM	Aircraft Wiring Manual
AWS	American Welding Society	AWS	Airworthiness Security
AWY	Airway	AX	Longitudinal Acceleration
AX	Access Authorized	AY	Lateral Acceleration
AZ	Azimuth	AZ	Vertical Acceleration
AZFW	Actual Zero Fuel Weight	B	Blue
B/B	Back-Beam	B/C	Business Class
B/D	Bottom of Descent	BAABI	Basic Approved ATA Breakdown Index
BAF	BITE Access Function	BAF	Baffle
BAFO	Best and Final Offer	BAG	Bandwidth Allocation Gap
BAL	Basic Assembly Language	BARC	Barometric Altitude Rate Computer
BARO	Barometric	BAS	Bleed Air System
BAT	Battery	BATLC	Battery Line Contactor
BBAND	Broadband	BBRG	Ball Bearing
BC	Baggage Container Train	BCD	Binary Coded Decimal
BCD	Bulk Cargo Door	BCDS	BITE Centralized Data System
BCF	Brake Cooling Fan	BCL	Battery Charge Limiter
BCM	Backup Control Module	BCN	Beacon
BCP	Business Continuity Plan	BCRC	Bulk Crew Rest Compartment
BCRU	Battery Charge and Rectifier Unit	BCS	Brake Control System
BCU	Brake Control Unit	BCV	Bleed Control Valve
BCWP	Budgeted Cost of Work Performed	BCWS	Budgeted Cost of Work Scheduled
BDD	BITE Description Document	BDIE	Base de Données Installation Electrique
BDLI	Bundesverband der Deutschen Luft-und Raumfahrt Industrie	BDPC	Bracketing Design Principles Catalog
BDSG	BundesDatenSchutzGesetz (Federal Data Protection Act in Germany)	BEA	Bureau d'Enquête Accident
BEL CRK	Bellcrank	BER	Beyond Economical Repair
BETW	Between	BEV	Bevel
BEW	Basic Empty Weight	BFD	Bi-Folding Door
BFDAS	Basic Flight Data Acquisition System	BFE	Buyer Furnished Equipment
BFEMS	BFE Management System	BFO	Beat Frequency Oscillator
BFR	Buffer	BG	Build Group (Assembly Group)
BGC	Build Group Component	BGM	Boarding Music
BGS	Build Group Stack-Up	BH	Block Hours
BHD	Bulkhead	BIP	Best Industry Practice
BIST	Built-in Self Test	BITE	Built-In Test Equipment
BIU	BITE Interface Unit	BK	Black
BKFLW	Backflow	BKUP	Backup
BL	Bleed	BLC	Basic Lines Catalog
BLES	Brake Life Extension System	BLG	Body Landing Gear
BLK	Black	BLK	Block
BLKT	Blanket	BLOW	Blower
BLST	Ballast	BLT	Bolt
BLV	Bleed Valve	BLW	Below
BLWG	Blowing	BLWR	Blower
BM	Beam	BM	Beanstandungsmeldung
BMC	Bleed Monitoring Computer	BMI	BITE Monitoring Interface
BMS	Bulletin Météo Spécial	BMSELV	Body Mounted Selector Valve
BND	Bonded	BNDG	Bonding
BNDRY	Boundary	BNR	Binary
BNR	Binary Words	BO	Blocking Oscillator
BO	Body Odour	BOH	Brake-Off Weight
BOH	Bauunterlagen-Organisations-Handbuch	BOL	Bill Of Lading
BOM	Bill of Material	BOMU	Bleed and Overheat Monitoring Unit
BOOM	Business Oriented Object Model	BOS	Business Operational Support
BOT	Begin of Tape	BOT	Bottom
BP	Bottom Plug	BPR	By-Pass Ratio
BPRSOV	Bleed Pressure Regulating Shut-off Valve	BPS	Backup Power Supply
BPTU	Brake Pedal Transmitter Unit	BR	Brown
BRC	Brace	BRD	Braid
BRD	Business Requirements Dossier	BRDG	Bridge
BRG	Bearing	BRIDGE	BITE Referential and Information for Dataloading Generic Extracts
BRK	Brake	BRKNG	Braking
BRKR	Breaker	BRKS	Brakes
BRKT	Bracket	BRT	Bright
BRT	Brightness	BSCS	Braking and Steering Control System
BSCU	Braking and Steering Control Unit	BSHG	Bushing
BSS	Bare System Standard	BST	Bracket Selection Tool
BSU	Beam Steering Unit	BSV	Body Shuttle Valve
BT	Bus Tie	BTA	Bogie Trim Actuator
BTAC	Bus Tie AC Contactor	BTC	Bus Tie Contactor
BTCM	Brake Temperature Compensation Module	BTDC	Bus Tie DC Contactor
BTL	Bottle	BTMS	Brake Temperature Monitoring System
BTMU	Brake Temperature Monitoring Unit	BTN	Button
BtoP	Built to Print	BTR	Bus Tie Relay
BTS	Base Transceiver Station	BTS	Brake Temperature Sensor
BTSTRP	Buttstrap	BTU	British Thermal Unit
BTV	Brake to Vacate	BU	Battery Unit
BUS	Busbar	BUSS	Back-Up Speed Scale
BVID	Barely Visible Impact Damage	BWS	Body Wheel Steering
BWV	Bypass Water Valve	BYDU	Back-Up Yaw Damper Unit
BYP	Bypass	c	Equal Margin
C	Celsius	C	Centigrade
C	Close	C	Cyan
C	Clear	C	Cold (Electric Point)
C	Comparator	C	Convertible
C/A	Cabin Attendant	C/B	Circuit Breaker
C/L	Checklist	C/M	Command/Monitor
C/M	Crew Member	C/O	Change Over
C/S	Call Sign	C/SSR	Cost/Schedule Status Report
CA	Cable Assembly	CA	Cable
CA	Constituent Assembly	CA	Certification Authority
CA/CRL	Certification Authority/Certificate Revocation List	CAA	Central Aviation Archive
CAA	Civil Aviation Authority	CAATS	Computer Assisted Aircraft Trouble Shooting
CAB	Cabin	CAB PRESS	Cabin Pressurization
CAD	Computer Aided Design	CADB	Components for Attestation Data Base
CADETS	Computer Assisted Documentation Education Tutorial System	CaDoc	Cabin Documentation Display
CAG	Circulation Aérienne Générale	CAGE	Commercial And Government Entity
CAI	Combustion Area Inspection	CAIR	Constituent Assembly Inspection Report
CAL	Calibration	CAL	Calibrated
CALC	Cargo Acceptance and Load Control	CAM	Cabin Assignment Module
CAM	Computer Aided Manufacturing	CAM	Customer Acceptance Manual
CAM	Crew Administration Manual	CAMO	Continuing Airworthiness Management Organisation
CAN	Controller Area Network	CAN	Canopy
CANC	Cancellation	CANC	Cancel
CANCD	Cancelled	CANTIL	Cantilever
CAO	Cargo Aircraft Only	CAOA	Corrected Angle Of Attack
CAOM	Cabin Attendant Operating Manual	CAP	Capacitor
CAPLTY	Capability	CAPS	Cabin Altitude Pressure Sensor
CAPT	Captain	CAR	Cargo
CAR	Civil Aviation Requirements	CARE	Common Airbus Requirements Engineering
CARE	Continuing Airframe - Health Review and Evaluation	CARP	Carpet
CAS	Calibrated Air Speed	CAS	Calculated Air Speed
CAS	Collision Avoidance System	CAS	Computed Air Speed
CAS	Cabin Attendant Seat	CAT	Category
CAT	Clear Air Turbulence	CATCH	Complex Anomaly Tracking and Search
CATS	Cross Application Time Sheet	CAUT	Caution
CAX	Compartment Air Extraction	CBAL	Counterbalance
CBB	Connexion By Boeing	CBIT	Continuous BITE
CBM	Circuit Breaker Monitoring	CBMF	Circuit Breaker Monitoring Function
CBMS	Circuit Breaker Monitoring System	CBMU	Circuit Breaker Monitoring Unit
CBO	Cycles between Overhaul	CBORE	Counterbore
CBP	Circuit Breaker Panel	CBR	California Bearing Ratio
CBS	Cost Breakdown Structure	CBSV	Cycles Between Scheduled Visits
CC	Current Comparator	CC	Configuration Component
CC	Cabin Crew	CCB	Configuration Control Board
CCB	Change Control Board	CCB	Compartment Control Box
CCC	Crash Crew Chart	CCC	Component Change Card
CCC	Configuration Control Committee	CCC	Cabin and Cargo Customization
CCCP	Compressor Cavity Control Pressure	CCD	Cursor Control Device
CCD	Configuration Control Document	CCG	Cabin Configuration Guide
CCITT	Consultative Committee International Telegraphy & Teleph	CCM	Configuration Control Management
CCMail	Cabin Crew Mailing	CCMD	Configuration Conformity Management and Documentation
CCMR	Candidate Certification Maintenance Requirements	CCOM	Cabin Crew Operating Manual
CCQ	Cross Crew Qualification	CCR	Credit Card Reader
CCR	Customer Change Register	CCR	Cluster Component Responsible
CCRC	Cabin Crew Rest Compartment	CCRM	Cabin Crew Rest Module
CCS	Cabin Communication System	CCT	Conditions Cross-reference Table
CCU	CSAS Control Unit	CCW	Counter Clockwise
CD	Compact Disk	CD	Control Display
CD	Cold Drawn	CD	Count Drag
CD	Cargo Door	CD	Case Drain
CDA	Cargo Door Actuator	CDA	Continuous Descent Approach
CDAM	Centralized Data Acquisition Module	CDAS	Cargo Door Actuation System
CDAU	Centralized Data Acquisition Unit	CDB	Configuration DataBase
CDBT	Component Design and Build Team	CDC	Cargo Door Controller
CDCV	Cargo Door Control Valve	CDDS	Component Documentation Data System
CDE	Consumption Data Exchange Card	CDF	Contractual Definition Freeze
CDF1	Customer Definition Freeze	CDF2/3	Customer Definition Freeze
CDF4	Customer Definition Freeze	CDIM	Component Data Instruction Manual
CDIS	Customization and Delivery Information Services	CDL	Configuration Deviation List
CDLCU	Cockpit Door Locking Control Unit	CDLS	Cockpit Door Locking System
CDM	Cockpit Door Module	CDM	Coolant Distribution Module
CDP	Compressor Discharge Pressure	CDR	Critical Design Review
CD-ROM	Compact Disc - Read Only Memory	CDS	Component Documentation Status
CDS	Control and Display System	CDS	Cold Drawn Steel
CDSS	Cockpit Door Surveillance System	CDSU	Cockpit Door Surveillance Unit
CDT	Cabin Door Trainer	CDT	Central Development Team
CDU	Center Drive Unit	CDU	Control and Display Unit
CD-WD	Component Data Working Document	CE	Central Entity
CE	Change Event	CE	Centralized Equipment
CECAM	Centralized Cabin Monitoring	CED	Cooling Effect Detector
CEET	Cabin Emergency Evacuation Trainer	CEL	Component Evolution List
CELLI	Ceiling Emergency LED Light	CEO	Chief Executive Officer
CEPT	Council of European Posts and Telegraphs	CER	Contrôle Essais et Réception
CEV	Centre d'Essais en Vol	CEV	Clutch Electro Valve
CEV	Commercial Equipment Ventilation	CF	Course to a Fixed Waypoint
CF	Configuration File	CFAR	Certification First Article Review
CFDIU	Centralized Fault Display Interface Unit	CFDS	Centralized Fault Display System
CFE	Customer Furnished Equipment	CFF	Cabin First Flight
CFFC	Cockpit Fixed Frequency Converter	CFI	Clearance for Installation
CFIT	Controlled Flight Into Terrain	CFM	Cable Fabrication Manual
CFM	Cubic Feet per Minute	CFMI	CFM International
CFP	Computerized Flight Plan	CFR	Code of Federal Regulations
CFR	Current Flight Report	CFRP	Carbon Fiber Reinforced Plastic
CFS	Cabin File Server	CFS	Cold Finished Steel
CFT	Call For Tender	CFVCU	Cargo Fire Verification Control Unit
CFVS	Cargo Fire Verification System	CG	Center of Gravity
CGC	Customer Ground Check	CGCS	Center of Gravity Control System
CGIB	Control and Guidance Integration Bench	CGM	Computer Graphics Metafile
CH	Character	CH	Center Hatrack
CH	Charge	CHAM	Chamfer
CHAN	Channel	CHAS	Chassis
CHG	Change	CHIFS	Configuration Handling and Industrialization of Field loadable Software
CHK	Check	CHM	Chime
CHMBR	Chamber	CHRG	Charge
CHRO	Chronometer	CI	Cost Index
CI	Cast iron	CI	Configuration Item
CI	Conversion Instruction	CI	Course to an Intercept
CICS	Customer Information Control System	CICS/VS	Customer Information Control System/Virtual Storage
CIDS	Cabin Intercommunication Data System	CIM	Continuous Image Microfilm
CIN	Change Identification Number	CINS	Cabin Information Network System
CIP	Continuous Improvement Plan	CIR	Common Information Repository
CIRCE	Conception Informatisée et Rationalisée des Câblages Electriques	CIT	Compressor Inlet Temperature
CIU	Camera Interface Unit	CK	Check
CKD	Checked	CKPT	Cockpit
CKT	Circuit	CL	Center Line
CL	Checklist	CL	Climb
CL	Clip	CL	Clutch
CL	Circuit Letter	CL/OP	Closure/Opening
CLB	Climb	CLCTR	Collector
CLD	Closed	CLDB	Component Location Data Bank
CLEDU	Cabin LED Unit	CLG	Centerline Landing Gear
CLG	Ceiling	CLK	Clock
CLM	Component Location Manual	CLN	Clinometer
CLNG	Ceiling	CLOG	Clogging
CLOGD	Clogged	CLP	Clamp
CLPR	Clapper	CLR	Clear
CLR ALT	Clearance Altitude	CLRD	Cleared
CLRNC	Clearance	CLS	Cargo Loading System
CLS	Cargo Loading System Manual	CLSD	Closed
CLSG	Closing	CLTM	Component Location Training Manual
CLV	Clevis	CM	Conversion Manual
CM	Conversion Module	CM	Call Maintenance
CM	Centimeters	CM	Collective Modification
CM	Configuration Management	CMA	Common Mode Analysis
CMC	Central Maintenance Computer	CMD	Command
CME	Configuration Management Enabler	CMEU	Cabin Passenger Management Memory Expansion Unit
CMF	Central Maintenance Function	CMFLR	Cam Follower
CMI	Computer Managed Instruction	CMIT	Component Management and Integration Team
CML	Consumable Material List	CMM	Calibration Memory Module
CMM	Component Maintenance Manual	CMMM	Component Maintenance Manual Manufacturer
CMMV	Component Maintenance Manual Vendor	CMOS	Complementary Metal Oxide Silicon
C-MOS	Complementary Metal Oxyde Semiconductor	CMP	Customer Maintenance Program
CMPLRY	Complementary	CMPLTD	Completed
CMPNT	Component	CMPS CPLR	Compass Coupler
CMPTG	Computing	CMPTR	Computer
CMR	Certification Maintenance Requirements	CMRLR	Cam Roller
CMS	Central Maintenance System	CMS	Code Matière Société
CMS	Component Maintenance Sheet	CMS	Cabin Management System
CMT	Cabin Management Terminal	CMT	Customization Management Tool
CMV	Concentrator and Multiplexer for Video	CNA	Common Nozzle Assembly
CNCT	Connect	CNCTD	Connected
CNCTN	Connection	CNCTR	Connector
CNCTRC	Concentric	CNCV	Concave
CND	Conduit	CNSU	Cabin Network Server Unit
CNTNR	Container	CNTOR	Contactor
CNTR	Counter	CNTRTR	Concentrator
CNU	Cabin Network Unit	CO	Company
CO	Cut-Off	CO	Carbon Monoxide
CO2	Carbon Dioxide	COAS	Cabin Operations Applications System
COAX	Coaxial	CoC	Centre of Competence
COC	Cabin Operation Center	COC	Customer Originated Change
COCT	Cabin Operations Consultation Tool	COD/BOD	Chemical Oxygen Demand/Biological Oxygen Demand
CODD	Contractual On Dock Date	CoE	Center of Excellence
C of A	Certificate of Airworthiness	COHO	Coherent Oscillator
COL	Column	COLLI	COntour LED LIght
COM	Communication	COM	Command
COM	Common	COM	Company Organization Manual
CoMa	Configuration Manager	CombL	Combustible Liquid
COMC	CSAS Overheat Monitoring Controller	COMDL	Coding Module
COML	Commercial	COMO	Coordination Memo
COMP	Compass	COMP	Compensator
COMPSN	Compensation	COMPT	Compartment
COMPTR	Comparator	COMTN	Commutation
COND	Condition	COND	Conditioned
COND	Conditioning	CONDTN	Condition
CONDTR	Conditioner	CONFIG	Configuration
CONFIRMD	Confirmed	CONSUMPT	Consumption
CONT	Continue	CONT	Continuous
CONT	Controller	CONT	Contour
CONV	Converter	COO	Chief Operating Officer
COOL	Cooler	COOL	Cooling
COOLG	Cooling	COOLR	Cooler
COORD	Coordination	COORD	Coordinate
COPI	Copilot	Cor.M	Corrosive Material
CORA	Customer Order Administration	CORCTD	Corrected
CORR	Correct	CORR	Corrugate
CORR	Corrugation	CO RTE	Company Route
COS	Cowl Opening System	COS	Cosine
COT	Cotter	COTS	Commercial Off-The-Shelf
COUNT	Counter	COV	Cover
COWL	Cowling	CP	Clock Pulse
CP	Contributor Package	CP	Control Panel
Cp, Cpk	Capability indexes	CPC	Cabin Pressure Controller
CPCP	Corrosion Prevention and Control program	CPCS	Cabin Pressure Control System
CPCU	Cabin Pressure Control Unit	CPD	Continuing Product Development
CPDLC	Controller-Pilot DataLink Communication	CPF	Central Programme Function
CPIF	Control Power Intermediate Frequency	CPIOM	Core Processing Input/Output Module
CPL	Couple	CPLD	Coupled
CPLG	Coupling	CPLR	Coupler
CPM	Critical Path Method	CPMS	Cabin and Passenger Management System
CPMU	Cabin Passenger Management Unit	CPN	Corporate Project Number
CPNY	Company	CPRSR	Compressor
CPT	Capture	CPT	Compartment
CPT	Cure Ply Thickness	CPU	Central Processing Unit
CQ	Customer Query	CR	Cold Rolled
CR	Cruise	CR	Change Request
CRC	Centralized Radio Control	CRC	Continuous Repetitive Chime
CRC	Cyclic Redundancy Check	CRC	Camera Ready Copy
CRC	Crew Rest Compartment	CRC	Cyclic Redundancy Code
CRDC	Common Remote Data Concentrator	CRE	Corrosion-Resistant
CRES	Corrosion-Resistant Steel	CRG	Cargo
CRI	Certification Review Item	CRK	Crank
CRL	Collar	CRM	Communication Router Module
CRM	Customer Relationship Manager	CROSS	Center for Reliable Operational System Security
CROSSFEEDR	Crossfeeder	CRP	Capacity Requirement Planning
CRQ	Customer Request	CRR	Component Reliability Report
CRS	Course	CRS	Cold Rolled Steel
CRS	Cost Repercussion Sheet	CRS	Certificate of Release to Service
CRSN	Corrosion	CRT	Cathode Ray Tube
CRU	Cabin Router Unit	CRU	Card Reader Unit
CRU	Central Refrigeration Unit	CR VI	Hexavalent Chromium
CRZ	Cruise	CS	Center Spar
CS	Cabin Cleaners Steps	CS	Call Switch
CS	Certification Specification	CSAS	Cooled Service Air System
CSAS	Conditioned Service Air System	CSBS	Controllable Sunlight Blocking System
CSBSU	Controllable Sunlight Blocking System Unit	CSC	Configured Spare Component
CSD	Constant Speed Drive	CSDB	Common Source DataBase
CSDD	Common Support Data Dictonary	CSDM	Concession Support Decision Manual
CSDM	Cargo Smoke Detection Module	CSE	Course Set Error
CSF/L	Continuous Safe Flight/Landing	CSI	Cycles Since Installation
CSIP	Customer Satisfaction Improvement Programme	CSK	Countersink
CSKH	Countersunk Head	CSL	Console
CSM	Computer Software Manual	CSM	Commodity Sourcing Manager
CSM/G	Constant Speed Motor/Generator	CSN	Catalog Sequence Number
CSPM	Customer Support Procedure Manual	CSS	Cockpit System Simulator
CSS	Certification Status Summary	CST	Cabin Service Trainer
CSTG	Casting	CSTR	Constraint
CSU	Command Sensor Unit	CSV	Cycles Since Last Shop Visit
CT	Current Transformer	CT	Center Tape
CT	Control Tower	CTA	Control Area
CTDP	Cabin Trainer Data Packages	CTF	Central Test Facilities
CTF.P	Central Test Facility Response	CTF.Q	Central Test Facility Questions
CTK	Center Tank	CTL	Central
CTL	Control	CTL	Customer Team Leader
CTLR	Controller	CTR	Center
CTR	Contour	CTR	Control Zone
CTRD	Centered	CTS	Customized Technical Specification
CTS	Cabin Temperature Sensor	CTSK	Countersunk
CTU	Cabin Telecommunications Unit	CTWT	Counterweight
CU	Control Unit	CUC	Cost Unit Controlling
CUDU	Current Unbalance Detection Unit	CUP	Customer Package
CUR	Current	CV	Curriculum Vitae
CVE	Compliance Verification Engineer	CVL	Control Value List
CVL	Configuration Variation List	CVM	Cabin Video Monitoring
CVMS	Cabin Video Monitoring System	CVR	Cockpit Voice Recorder
CVRS	Cockpit Voice Recorder System	CVT	Center Vent Tube
CVU	Crypto Voice Unit	CW	Clockwise
CW	Continuous Wave	CWG	Cockpit Working Group
CWLU	Cabin Wireless LAN Unit	CWS	Cabin Work Station
CWS	Control Wheel Steering	CWSIU	Combined Wheel Speed Interface Unit
CWY	Clearway	CY	Cycle
CY	Calendar Year - Current Year	CYL	Cylinder
D/A	Digital to Analog	D/D	Engine Out Drift Down Point
D/LNA	Diplexer/Low Noise Amplifier	D/O	Description and Operation
D&B	Design and Build	DA	Drift Angle
DABS	Discrete Address Beacon System	DAC	Digital to Analog Converter
DAC	Drawing Aperture Card	DAC	Double Annular Combustor
DACAS	Data Centric Authoring System	DADC	Digital Air Data Computer
DADS	Digital Air Data System	DAE	Designated Airworthiness Engineer
DAF	Damping Augmentation Function	DAGM	Dry Air Generation Module
DAGS	Dry Air Generation System	DAL	Development Assurance Level
DAMP	Damping	DAMPG	Damping
DAORD	Detailed Airline Operations Requirement Document	DAR	Digital ACMS Recorder
DAR	Digital AIDS Recorder	DARE	Development And Ramp-up Excellence
DAS	Development Accomplishement Summary	DAS/STC	Designated Alteration Station/Supplemental Type Certific
D-ATIS	Digital Automatic Terminal Information System	DAU	Data Acquisition Unit
DB	Database	DB	Data Base
DBAI	Design and Build Aircraft Improvement	DBBS	Data Base Bulletin Service
DBC	Data Bus Communication	DBCR	DataBase Change Request
DBD	Data Basis for Design	DBD	Data Basis for Design
DBLR	Doubler	DBPS	Display Based Passenger Sign
DC	Direct Current	DC	Direct Cost
DC	Domain Coordinator	DCC	Dispo Cockpit
DCD	Data Control and Display	DCD	Decode
DCD	Double Channel Duplex	DCDR	Decoder
DCDU	Datalink Control and Display Unit	DCI	Design Change Instruction
DCL	Digital Cabin Logbook	DCL-CCT	Digital Cabin Logbook - Cabin Configuration Tool
DCP	Display Control Panel	DCR	Dock on Crew Rest
DCR	Delivery Control Room	DCR	Design Change Request
DCRC	Dock on Crew Rest Compartment	DCS	Designated Certification Specialist
DCS	Direct Current Supply	DCS	Double Channel Simplex
DCU	Direction Control Unit	DCV	Directional Control Valve
DCVR	Direct Current Voltage Ratio	DD	Definition Dossier
DD	Dependence Diagram	DDA	Digital Differential Accumulation
DDC	Definition Dossier Check	DDCU	Dedicated Display and Control Unit
DDI	Design Drawing Instruction	DDI	Documentary Data Insert
DDM	Digital Data Module	DDM	Difference in Depth of Modulation
DDP	Declaration of Design and Performance	DDRMI	Digital Distance and Radio Magnetic Indicator
DDS	Domain Display Switch	DDS	Design Data Set
DDTS	Digital Data Technology Standards	DDU	Delivered Duty Unpaid
DDV	Direct Drive Valve	DEC	Declination
DECEL	Decelerate	DECOMPRESS	Decompression
DECR	Decrease	DEDP	Data Entry and Display Panel
DEF	Definition	DEFDARS	Digital Expandable Flt Data Acquisition & Recording Sys
DEFL	Deflect	DEFOG	Defogging
DEFRD	Deferred	DEFUEL	Defueling
DEG	Degree	DEG	Direct Entry Graduate
DEGRADD	Degraded	DEL	Delete
DEL	Delay Message	DEL BY	Deleted by
DELTA P	Differential Pressure	DEM	Digital Electronic Module
DEMOD	Demodulator	DEP	Departure
DEP	Data Entry Panel	DEPLD	Deployed
DEPRESS	Depressurization	DEPT	Department
DES	Descend	DES	Descent
DES	Digital Equipment Simulator	DEST	Destination
DET	Detection	DET	Detector
DETECTD	Detected	DETNG	Determining
DEU	Decoder/Encoder Unit	DEV	Deviation
DEVN	Deviation	DEW	Delivery Empty Weight
DEX	Access Demanded	DF	Direction Finder
DFA	Delayed Flaps Approach	DFCV	Dual-Flapper Check Valve
DFDAMU	Digital Flight Data Acquisition and Management Unit	DFDAU	Digital Flight Data Acquisition Unit
DFDR	Digital Flight Data Recorder	DFDRS	Digital Flight Data Recording System
DFIDU	Dual Function Interactive Display Unit	DFPPU	Differential Feedback Position Pick-Off Unit
DFPRM	Duct and Fuel Pipe Repair Manual	DFS	Detailed Functional Specification
DFSOV	Dual Flow and Shut-Off Valve	DFT	Drift
DG	Directional Gyro	DG	Dark Green
DGAC	Direction Generale de l'Aviation Civile	DGI	Digital Input
DGO	Digital Output	DGPS	Digital Global Positioning System
DGTL	Digital	DH	Decision Height
DI	Data Input	DI	Deicing
DIA	Diameter	DIAPH	Diaphragm
DIBU	Door Illumination Ballast Unit	DIFF	Differential
DIM	Direction Input Module	DIM	Dimension
DIM	Dimming	DIMM	Dimmable
DIP	Dual In-line Package	DIP	Door Indication Panel
DIPLXR	Diplexer	DIR	Direct
DIR	Direction	DIR	Director
DIR TO	Direct to	DISC	Disconnect
DISC	Disconnected	DISC	Disconnection
DISCH	Discharge	DISCH	Discharged
DISCNTY	Discontinuity	DISCTN	Disconnection
DIS-IN	Discrete Input	DISRMD	Disarmed
DIST	Distance	DISTR	Distribute
DISTR	Distribution	DISTR	Distributor
DITCH	Ditching	DITS	Digital Information Transfer System
DIU	Digital Interface Unit	DIVERTG	Diverting
DL	Domain Leader	DL	Data Loader
DLC	Direct Lift Control	DLCM	Data Loading Configuration Manager
DLCS	Data Loading and Configuration System	DLK	Data Link
DLOAD	Data Loading	DLRB	Data Loading Routing Box
DLS	Data Loading Selector	DLS	Data Load System
DLW	Data Loading Workshop	DLY	Delay
DM	Data Module	DMA	Direct Memory Access
DMC	Display Management Computer	DMC	Design Modification Committee
DMC	Direct Maintenance Cost	DMC	Data Module Code
DMD	Demand	DMD	Demand Data Sheet
DMDLTR	Demodulator	DME	Distance Measuring Equipment
DMM	Data Memory Module	DMP	Display Management Processor
DMPR	Damper	DMR	Design Material References
DMS	Document Management System	DMU	Data Management Unit
DMU	Digital Mock-Up	DMZ	DeMilitarized Zone
DN	Down	DN	Delivery Note
DNA	Design New Aircraft	DnCC	Develop new Cabin and Cargo
DNI	Drawing Numerical Index	DNLK	Downlock
DNLKD	Downlocked	DNLNK	Downlink
DO	Data Output	DO	Design Office
DOA	Design Organisation Approval	DOC	Direct Operating Cost
DOC.DATA	Documentary Data	DOHS	Door Operation Handle Switch
DOLLI	Dome LED Light	DOM	Design Organisation Manual
DOM	Document Object Model	DOORLI	Door Light
DOORS	Dynamic Object Orientated Requirements System	DOR	Design Office Responsible
DOS	Design Organisation Signatories	DOW	Dry Operating Weight
DP	Data Processing	DP	Differential Protection
DPCU	Digital Passenger Control Unit	DPDT	Double Pole/Double Throw
DPI	Differential Pressure Indicator	DPM	Design Progress Meeting
DPRM	Delivery Planning Review Meeting	DQN	Design Query Note
DR	Dead Reckoning	DR	Door
DR	Dispatch Reliability	DR	Drill / Drilling / Drills
DRIP	Design Response Intended for Playback	DRL	Documentation Requirement List
DRM	Duct Repair Manual	DRMI	Distance Radio Magnetic Indicator
DRN	Drawn by	DRUD	Data Recording, Up & Downloading
DRVG	Driving	DRVN	Driven
DRVR	Driver	DS	Downstream
DS	Design Solution	DS	Design Solution
DS/C	Digital Server/Controller	DSAPP	Disappearance
DSB	Door Sensor Block	DSC	Digital Signature Checker
DSCRM	Discriminator	DSCRT	Discrete
DSCS	Door and Escape Slide Control System	DSCS	Door and Slide Control System
DSDL	Dedicated Serial Data Link	DSEB	Digital Seat Electronic Box
DSENGD	Disengaged	DSG	Design Service Goal
DSI	Discrete Input	DSIP	Door/Slide Indication Panel
DSMCU	Doors and Slides Management Control Unit	DSMS	Doors and Slides Management System
DSO	Discrete Output	DSPL	Display
DSPLYD	Displayed	DSQR	Designated Supplier Quality Representative
DSSS	Direct Sequence Spread Spectrum	DSTN	Drawing Set Technical Note
DSTRK	Desired Track	DSUG	Drawing Set User Guide
DtC	Design to Cost	DTD	Document Type Definition
DTG	Distance to Go	DTMF	Dual Tone Multiple Frequency
DTMS	Damage Tolerance Monitoring System	DTMU	Damage Tolerance Monitoring Unit
DTR	Design Task Responsible	DTS	Duct Temperature Sensor
DU	Display Unit	D-ULPA	Double Ultra Low Particulate Air
DUM	Dummy	DVD	Digital Versatile Disk
DVD	Digital Video Disk	DVI	Digital Visual Interface
DVR	Digital Video Recorder	DWC	Drip Water Collector
DWG	Drawing	DWL	Dowel / Doweling / To Dowel
DX	Access Demanded	DYNMTC	Dynamometric
E	East	E/T	Electrical Trim
EA	Environmental Aspect	EABDC	Enhanced Aircraft Broadcast Data Collector
EADI	Electronic Attitude Director Indicator	EADS	European Aeronautic Defence and Space Company
EAFR	Enhanced Airborne Flight Recorder	EAPAS	Enhanced Airworthiness Program for Aeroplane Systems
EAROM	Electrically Alterable Read Only Memory	EAS	Equivalent Airspeed
EASA	European Aviation Safety Agency	EAT	Expected Approach Time
EAT	Estimate At Completion	EATULC	Emergency ATU Line Contactor
EBAS	Engine Bleed Air System	EBATC	Emergency Battery Contactor
EBCU	Emergency Brake Control Unit	EBHA	Electrical Backup Hydraulic Actuator
EBIT	Earnings Before Interest and Taxes	EBITDA	Earnings Before Interest, Tax, Depreciation and Amortisation
EBITDAR	Earnings Before Interest, Taxes, Depreciation, Amortization and Rent	EBS	Engine Build Specification
EBTAC	Emergency Bus Tie AC Contactor	EBTC	Emergency Bus Tie Contactor
EBTDC	Emergency Bus Tie DC Contactor	EBU	Engine Build-up Unit
EC	Engine Control	EC	Entertainment Controller
ECAM	Electronic Centralized Aircraft Monitoring	ECAM TC	ECAM Temporary Change
ECAS	Emergency Cabin Alerting System	ECB	Electronic Control Box
ECDB	Equipment Central Data Bank	ECLS	Electrical Cargo Loading system
ECM	Engine Condition Monitoring	ECM	Engineering Coordination Memo
ECM	Equipment Change Management	ECMS	Electrical Contactor Management System
ECMU	Electrical Contactor Management Unit	ECN	Engineering Change Note
E-COMETE	Extended COrdination of Maintenance End-to- End	ECON	Economy
ECON	Economic	ECP	Ecam Control Panel
ECS	Environmental Control System	ECS	Electronic Cooling System
ECSB	Embedded Computer System Bus	ECT	ECAM Customization Tool
ECU	Electronic Control Unit	ECUCV	Electronic Control Unit Cooling Valve
ED	Edge Distance	ED	Engine Display
EDB	ECAM Data Book	EDD	Engineering Delivery Documents
EDD	Electrical Data Dossier	EDD	Equipment Definition Dossier
EDES	Equipment Definition Evolution Sheet	EDIU	Electrical Discrete Interface Unit
EDMC	Engineering Drawing Microfilm Card	EDMS	Engineering Documentation Management Services
EDMU	Electrical Distribution Monitoring Unit	EDP	Electronic Data Processing
EDP	Engine Driven Pump	EDR	Electrical Design Rules
EDR	Experience Design Requirements	EDS	Electronic Distribution of Software
EDS	Engineering Document System	EDTA	Ethylenediamine Tetraacetate
EE	Electrical and Electronic	EE	Electrical Equipment
EEC	Electronic Engine Control	EEC	Engine Electronic Controller
EIF	Engine Interface Function	EIPM	Engine Interface Power Management
EIPMU	Engine Interface Power Management Unit	EIRD	Equipment Installation Requirement Dossier
EIS	Electronic Instrument System	EIS	Entry into Service
EIS	Engine Interface System	EIU	Engine Interface Unit
EIVMU	Engine Interface and Vibration Monitoring Unit	EL	Electric
EL	Equipment List	ELA	Electrical Load Analysis
ELAC	Elevator Aileron Computer	ELAN	Ethernet Local Area Network
ELAPS	Elapsed Time	ELB	Electronic Log Book
ELC	Electronic Library Computer	ELC	Emergency Line Contactor
ELCO	Exterior Lights Controller	ELEC	Electric
ELEC	Electrical	ELEC	Electricity
ELEK	Electronic	ELEKS	Electronics
ELEV	Elevation	ELEV	Elevator
ELEVN	Elevation	ELEVR	Elevator
ELF	Engineering support and data Link Function	ELM	Electrical Load Management
ELMF	Electrical Load Management Function	ELMS	Electrical Load Management System
ELMU	Electrical Load Management Unit	ELO	Equipment Location Overview
ELPU	Emergency Lightning Protection Unit	ELS	Electronic Library System
ELS	Emergency Lighting System	ELSD	Electrical Load Sensing Device
ELT	Emergency Locator Transmitter	ELV	Elevation
EM	ElectroMagnet	EM	Engine Manual
EMC	Electromagnetic Compatibility	EMCU	Electric Motor Control Unit
EMDB	Electrical Main Data Bank	EMEL	Edge Mounted Emergency Llight
EMER	Emergency	EMI	Electromagnetic Interference
EMISN	Emission	EMLS	Emergency Lighting System
EMMA	Ergonomie Merkmal Methode Airbus	EMP	Empennage
EMP	Electric Motor Pump	EMS	Equipment Modification Sheet
EMS	Environmental Management System	EMSP	Extended Mechanical Systems Perimeter
EMU	Engine Monitoring Unit	EMU	Engine Maintenance Unit
EMWS	ElectroMechanical Window Shade	EN	European Norm
ENBL	Enable	ENCD	Encode
ENCDR	Encoder	ENCL	Enclosure
END	Endurance	ENEC	Emergency Normal to Emergency Contactor
ENG	Engine	ENGD	Engaged
ENG OUT	Engine Out	ENGR	Engineer
ENM	Electrical Network Management	ENMF	Electrical Network Management Function
ENMS	Electrical Network Management System	ENMU	Electrical Network Management Unit
ENP	Estimated Normal Payload	ENRGZ	Energize
ENRM	Ethernet Network Router Module	ENT	Entry
ENTR	Entrance	ENV	Envelope
ENVMOD	Envelope Modulation	EO	Engine Out
EO	Engineering Order	EO	Electrical Outlet
EO ACCEL ALT	Engine Out Acceleration Altitude	EOC	Engineering Order Change
EOP	End of Part	EOS	Electronic Overspeed System
EOSID	Engine Out Standard Instrument Departure	EOT	End of Tape
EO THR RED SPD	Engine Out Thrust Reduction Speed	EP	Entry Panel
EPAC	Entity per Aircraft Change	EPC	External Power Contactor
EPCU	External Power Control Unit	EPD	Extended Principle Diagram
EPDC	Electrical Power Distribution Center	EPDS	Electrical Power Distribution System
EPESC	Enhanced Passenger Entertainment System Controller	EPGS	Electrical Power Generation System
EPLC	External Power Line Contactor	EPLD	Electronically Programmable Logic Device
EPM	Engineering Program Manager	EPPT	Electronic Performance
EPR	Engine Pressure Ratio	EPR	Equipment Problem Report
EPR	Exhaust Pressure Ratio	EPR.D	EPR Descent
EPR.L	EPR Latch	EPROM	Erasable Programmable Read Only Memory
EPSU	Emergency Power Supply Unit	EPU	Emergency Power Unit
EPU	Estimated Position Uncertainty	EQIR	Engineering Query Investigation report
EQPT	Equipment	ER	Extended Range
ER	Elevator Rib	ER	Engine Run
ER	Error Report	ERAI	Emergency Ram Air Inlet
ERECT	Erection	ERG	Electromechanical Release Gate
ERHC	Electrical Routing and Harness Concept	ERHCD	Electrical Routing and Harness Concept Dossier
ERL	Economic Repair Life	ERMM	En Route Moving Map
ERO	Engine Running On/Off Load	EROM	Electronic Readout Machine
ERP	Enhanced Runaway Protection	ERR	Error
ERS	Embodiment Repercussion Sheet	ERS	Erase
ERS	Erased	ERU	Engine Relay Unit
ES	Early Start Date	ESAO	Essai Sol Assisté par Ordinateur
ESB	Electrical System BITE	ESB	Evaluation Service Bulletin
ESBF	Electrical System BITE Function	ESC	Escape
ESD	Electro Sensitive Device	ESD	ElectroStatic Discharge
ESD	Electronic System Display	ESD	Electrical Schematic Diagram
ESDB	Element Standard Data Bank	ESDN	Extended System/Structure Description Note
ESEC	Emergency Smoke/Evacuation Contactor	ESG	Evaluated Service Goal
ESLB	ECAM System Logic Book	ESLD	ECAM System Logic Data
ESMKTC	Emergency Smoke Tie Contactor	ESN	Electrical Structure Network
ESP	Electrical Standard Practices	ESPM	Electrical Standard Practices Manual
ESPU	External Sources Protection Unit	ESR	European Staff Requirement
ESS	Essential	ESS	Engine Section Stator
EST	Estimated	EST	Electronic Support Tools
ESTAC	Emergency Static inverter AC Contactor	ESTC	Emergency STatic inverter Contactor
ESU	Ethernet Switch Unit	ESWL	Equivalent Single Wheel Load
ET	Elapsed Time	ETA	Estimated Time of Arrival
ETACS	External and Taxiing Aid Camera System	ETC	Envelope Temporary Change
ETD	Estimated Time of Departure	ETDS	Engineering Technical Data Service
ETE	Estimated Time En Route	ETHNET	Ethernet
Etio.Ag.	Etiologic Agent	ETL	Engineering Team Leader
ETLC	Emergency TR Line Contactor	ETO	Estimated Time Over
ETOPS	Extended Range Operations for Two-Engine Aeroplanes	ETP	Equal Time Point
ETR	Engineering Template Repository	ETRAC	Electronic Thrust Reverser Actuation Controller
ETRAS	Electrical Thrust Reverser Actuation System	ETS	Equipment Technical Specification
ETSO	European Technical Standard Order	ETT	Estimated Time for Takeoff
EUAD	European Union Airworthiness Directive	EULA	End User Licence Agreement
EUPB	Electronic Unit Protection Box	EV	Electro Valve
EV	Earned Value	EVAC	Evacuate
EVAC	Evacuation	EVM	Earned Value Management
EVMU	Engine Vibration Monitoring Unit	EWD	Engine/Warning Display
EWIS	Electrical Wiring Interconnection System	EWS	Electrical Window Shades
EWS	Electronic Warning System	EWS	Electrical Window Shade
EX	Example	EXC	Excitation
EXC	Excite	EXCD	Excited
EXCESS	Excessive	EXCG	Exciting
EXCHG	Exchange	EXCHGR	Exchanger
EXCN	Excitation	EXDLS	External Door Locking System
EXH	Exhaust	EXLCO	EXterior Light Control
EXP	Expansion	Expl.	Explosive
EXSTG	Existing	EXT	Exterior
EXT	External	EXT	Extend
EXT	Extension	EXTC	Extract
EXTCD	Extracted	EXTCG	Extracting
EXTG	Extending	EXTIG	Extinguishing
EXTIN	Extinction	EXTING	Extinguish
EXTING	Extinguisher	EXTING	Extinguishing
EXTIR	Extinguisher	EXTN	Extension
EXTNDD	Extended	EXTR	Extractor
EXTR	Extrusion	EXTR	Extreme
EXTRACT	Extraction	EXTRACT	Extractor
EXW	Ex Works	EZ	Electrical Zero
F	Fuel	F	Minimum Flap Retract Speed (EFIS)
F/C	First Class	F/CTL	Flight Controls
F/E	Flight Engineer	F/O	First Officer
F/S	Fast/Slow	F/U	Follow-Up
F/W	Failure Warning	FA	Course from a Fixed Waypoint to an Altitude Termination
FAA	Federal Aviation Administration	FAC	Flight Augmentation Computer
FACS	Flight Augmentation Computer System	FADEC	Full Authority Digital Engine Control
FAF	Final Approach Fix	FAF	Forward and Aft Fuselage
FAI	First Article Inspection	FAIL	Failed
FAIL	Failure	FAIR	Fairing
FAIR	Forum with Airlines for Interactive Resolution	FAL	Final Assembly Line
FALC	Final Assembly Line China	FALH	Final Assembly Line Holder
FANS	Future Air Navigation System	FAOM	Flight Attendant Operating Manual
FAP	Flight Attendant Panel	FAP	Forward Attendant Panel
FAR	Federal Aviation Regulations	FAS	Flight Augmentation System
FAS	Fatigue Approval Sheet	FAV	Fan Air Valve
FAWP	Final Approach Waypoint	FBB	Fasten Bed Belt
FBS	Fixed Base Simulator	FBW	Fly-by-wire
FC	Course from a Fixed Waypoint to a Changeover Point	FC	Fully Closed
FC	Flight Cycle	FC	Freight Container Train
FC	Failure Condition	FCA	Free Carrier
FCAC	Final Cost of Aircraft	FCC	Flight Control Computer
FCC	Flight Control Contactor	FCCS	Flight Control Computer System
FCCU	Flight Control Computer Unit	FCD	Full Color Display
FCD55	Full Color Display 5 inch x 5 inch	FCDC	Flight Control Data Concentrator
FCGS	Flight Control and Guidance System	FCGU	Flight Control and Guidance Unit
FCMC	Fuel Control and Monitoring Computer	FCMS	Fuel Control Monitoring System
FCO	Fulfill Customer Order	FCOM	Flight Crew Operating Manual
FCP	Full Change Process	FCPC	Flight Control Primary Computer
FCPI	Flight Control Position Indicator	FCR	Flight Crew Report
FCRC	Flight Crew Rest Compartment	FCRM	Flight Control Remote Module
FCSC	Flight Control Secondary Computer	FCST	Forecast
FCTM	Flight Crew Training Manual	FCTN	Function
FCU	Flight Control Unit	FCU	Fuel Control Unit
FCU	Flush Control Unit	FCV	Flow Control Valve
FD	Course from a Fixed Waypoint to a DME Distance	FD	Flight Director
FD	Fuselage Datum	FDA	First Design Acceptance
FDAC	Full Digital AGU Controller	FDAU	Flight Data Acquisition Unit
FDB	Floor Disconnect Box	FDBK	Feedback
FDC	Fuel Data Concentrator	FDCE	Flight Deck and Cabin Effects
FDD	Floppy Disk Drive	FDD	Functional Description Document
FDE	Flight Deck Effect	FDEP	Flight Data Entry Panel
FDIAF	Flight Data Interface/Acquisition Function	FDIMU	Flight Data Interface and Management Unit
FDIU	Flight Data Interface Unit	FDR	Flight Data Recorder
FDR	First Delivery Review	FDRPL	Flight Data Recording Parameter Library
FDRS	Flight Data Recording System	FDS	Fault Detection Specification
FDSU	Flight Data Storage Unit	FDU	Fire Detection Unit
FE	Flight Envelope	FEC	Flight Envelope Computer
FEDC	Fire Extinguishing Data Converter	FEDR	Feeder
FEGV	Fan Exit Guide Vane	FE-KB	Functional Effects - Knowledge Base
FES	Fire Extinguishing System	FET	Field Effect Transistor
FE-TP	Functional Effects - linked to Troubleshooting Procedure	FEW	Fleet Empty Weight
FF	Fuel Flow	FF	Ferry Flight
FF	Functional Failure	FFA	Functional Failure Analysis
FFAR	First Flight Article Review	FFCC	Forward Facing Crew Cockpit Concept
FFCC	Forward Facing Crew Cockpit Configuration	FFCCV	Fan Frame Compressor Case Vertical
FFCCV	Forward Flange Compressor Casing Vibration	FFCM	Free Fall Control Module
FFL	Flip Flop Latch	FFO	Funds From Operations
FFP	Fixed Firm Price	FFS	Full Feasibility Study
FFS	Full Flight Simulator	FFS	Front Secondary Structure
FG	Flight Guidance	F-G/S	FLS Glide Slope
FGE	Flight Guidance and Envelope	FGES	Flight Guidance and Envelope System
FGN	Foreign	FGS	Flight Guidance System
FH	Flight Hours	FHA	Functional Hazard Analysis
FHC	Filled Hole Compressive Strength	FHM	Flight ops HMI manager
FHS	Flight Hour Service	FHSS	Frequency Hopping Spread Spectrum
FIB	Functional Integration Bench	FIC	Function Integrated Center
FIDS	Fault Isolation and Detection System	FIFO	First Input/First Output
FIFO	First In First Out	FIG	Figure
FIH	FAL Installed Harness	FIL	Filament
FIL	Fillet	FILG	Filling
FIL H	Fillister Head	FIM	Fault Isolation Manual
FIN	Functional Item Number	FIR	Full Indicator Reading
FIS	Flight Information Services	FIX	Fixed
FL	Flight Level	FL	Flood
FL	Floor	FL	Flow
FL	Fluid	Fla.G	Flammable Compressed Gas
Fla.L	Flammable Liquid	Fla.S	Flammable Solid
FLC	Feel and Limitation Computer	FLD	Field
FLDK	Flight Deck	FLEX	Flexible
FLG	Flange	FLH	Flat Head
FLIP	Flight Plan Computation Program	FLLT	Flashing Light
FLMPRF	Flameproof	F-LOC	FLS Localizer
FLP	Flap	FLP	Flight Line Planning
FLR	Floor	FLS	FMS Landing System
FLS	Field Loadable Software	FLSA	Fuel Level Sensing Amplifier
FLSAP	Field Loadable Software Aircraft Part	FLSCU	Fuel Level Sensing Control Unit
FLS R	Field Loadable Software Repository	FLT	Flight
FLTR	Filter	FLXTO	Flexible Take-Off
FM	Course from a Fixed Waypoint with a Manual Termination	FM	Flight Management
FM	Flight Manual	FM	Frequency Modulation
FM	Fan Marker	FMA	Flight Mode Annunciator
FMC	Flight Management Computer	FMC	Fault Message Code
FMCS	Flight Management Computer System	FMCU	Flight Management Computer Unit
FMD	Failure Message Description	FME	Flow Metering Equipment
FMEA	Failure Mode & Effects Analysis	FMES	Failure Mode and Effects Summary
FMGC	Flight Management and Guidance Computer	FMGEC	Flight Management Guidance and Envelope Computer
FMGES	Flight Management Guidance and Envelope System	FMGS	Flight Management and Guidance System
FMS	Flight Management System	FMS	Fuel Manifold Staging
FMU	Fuel Metering Unit	FMV	Fuel Metering Valve
FNA	Final Approach	FNCP	Flight Navigation Control Panel
FNL	Final	FNSG	Flight Navigation Symbol Generator
FO	Fully Open	FO	Flight Order
FOAM	Flight Ops Application Manager	FOB	Fuel On Board
FOB	Free On Board	FOC	Fuel/Oil Cooler
FOCT	Flight Operations Consultation Tool	FOD	Foreign Object Damage
FOD	Fuel Over Destination	FOD	Flight Operation Domain
FODR	Flight Operations Documents Repository	FOM	Flight Operations Manual
FOM	Flight Operations Monitoring	FOQA	Flight Operations Quality Assurance
FOS	Fuel Operator Station	FOS	Flight Operations Software
FOSP	Flight Operations Standard Package	FOT	FAL Operational Test Meeting
FOT	Flight Operations Telex	FOVE	Flight Operations Versatile Environment
FPA	Flight Path Angle	FPEEPMS	Floor Proximity Emergency Escape Path Marking System
FPF	Fire Protection Function	FPH	Floor Panel Heating
FPL	Flight Plan	F-PLAN	Flight Plan
F-PLN	Flight Plan	FPMU	Fuel Properties Measurement Unit
FPPU	Feedback Position Pick-off Unit	FPRM	Fuel Pipe Repair Manual
FPS	Fire Protection System	FPT	Flight Path Target
FPV	Flight Path Vector	FQ	Fuel Quantity
FQDC	Fuel Quantity Data Concentrator	FQI	Fuel Quantity Indicating/Indication/Indicator
FQIC	Fuel Quantity Indication Computer	FQMS	Fuel Quantity and Management System
FR	Frame	FRD	Functional Requirement Document
FREQ	Frequency	FREX	Support Repercussion Sheet
FRM	Fault Reporting Manual	FRNTR	Frontier
FRQ	Frequency	FRS	Flammability Reduction System
FRS	False Rear Spar	FRT	Front
FRU	Frequency Reference Unit	FRV	Fuel Return Valve
FS	Front Spar	FS	Fuselage Station
FS	Factor of Safety	FSA	FlySmart with Airbus
FSA-NG	FlySmart with Airbus-New Generation	FSAT	Functional Software Acceptance Test
FSB	Fasten Seat Belts	FSB	Flight Safety Board
FSCM	Federal Supply Code for Manufacturers	FSD	Final Submission Date
FSI	Functional Standard Item	FSM	Field Service Manager
FSN	Fleet Serial Number	FSOV	Fire ShutOff Valve
FSR	Field Service Representative	FST	Fire/Smoke/Toxicity
FSTNR	Fastener	FT	Flight Test
FTA	Flight Test Analysis	FTA	Fault Tree Analysis
FTAC	Fuel Tank Access Cover	FTB	For the time being
FTB	Flying Test Bed	FTD	Flight Training Device
FTDR	Flight Test Data Request	FTE	Flight Test Engineer
FTG	Fitting	FTG	Flight Test Guide
FTI	Flight Test Installation	FTIS	Fuel Tank Inerting System
FTK	Fuel Tank	FTMS	Flight Test Management System
FTP	File Transfer Protocol	FTR	Flight Test Request
FTRNG	Feathering	FTS	Frame Time Select
FTSP	Floor Temperature Setting Panel	FTU	Force Transducer Unit
FU	Fuel Used	FU	Feedback Unit
FUSLG	Fuselage	FV	Flux Valve
FW	Failure Warning	FW	Firewall
FWC	Flight Warning Computer	FWD	Forward
FWL	Firewall	FWPS	Functional Workpackage Specification
FWS	Flight Warning System	FWSD	Flight Warning and System Display
FY	Fiscal Year	G	Green
G	Galley	G	Grid
G	Gyro	G/A	Ground-to-Air
G/G	Ground Guidance	G/S	Glide Slope
GA	Go-Around	GA	General Application
GAAP	Generally Accepted Accounting Principles	GAC	Guide Arm Cover
GAD	General Assembly Drawing	GAHMM	Global Aircraft Health Monitoring and Management
GAIN	Electrical GAlley INsert equipment	GAIR	General Assembly Inspection Report
GALV	Galvanize	GALY	Galley
GAM	Global Architecture MockUp	GAMMA-A	Slope
GAMMA-T	Potential Slope	GAMS	Ground Asynchronous Messaging Service
GANA	Guidelines for Airframer Network Applications	GAPCU	Ground and Auxiliary Power Control Unit
GATE	Glossary of Airbus Terms and Expressions	GATT	General Agreement on Tariffs and Trade
GC	General Cargo	GCA	Ground-Controlled Approach System
GCP	General Conditions of Purchase	GCR	Generator Control Relay
GCU	Generator Control Unit	GCU	Ground Cooling Unit
GDE	Guide	GDNC	Guidance
GDO	Ground Door Opening	GDS	GSE Data Sheet
GE	General Electric	GEM	Ground Equipment Manual
GEN	Generator	GENL	General
GENPN	GENerate Part Number	GES	Ground Earth Station
GFE	Government Furnished Equipment	GFI	Ground Fault Interruption
GFLI	Ground Fuel Level Indication	GFR	Ground Fault Report
GFRP	Glass Fiber Reinforced Plastic	GFTM	General Familiarization Training Manual
GGBU	Gear Guard Battery Unit	GGMU	Gear Guard Main Unit
GGPCU	Generator and Ground Power Control Unit	GGSU	Gear Guard Sensor Unit
GIC	General Instruction Card	GIDOCA	Gestion Informatique de la Documentation Avion
GIE	Groupement d'Intérêt Economique	GIM	General Introduction Manual
GIPSY	General Integrated Publication System	GLA	Gust Load Alleviation
GLASU	Galley Light Attendant Service Unit	GLC	Generator Line Contactor
GLF	Green Light for Flight	GLL	Green Light for Lab
GLM	General List of Modifications	GLR	Generator Line Relay
GLS	GNSS Landing System	GLT	Ground Leak Test
GMC	General Modification Committee	GMF	General Market Freighter
GMF	Global Market Forecast	GMR	Ground Movement Radar
GMT	Greenwich Mean Time	GMTBF	Guaranteed Mean Time Between Failure
GNC	Galley Network Controller	GND	Ground
GNLU	GNSS Navigation and Landing Unit	GNSS	Global Navigation Satellite System
GOH	Geräte-Organisations-Handbuch	GP	Glide Path
GP	Group	GPCM	Generation Pack and Coordination Memorandum
GPCU	Ground Power Control Unit	GPIRS	Global Positioning and Inertial Reference System
GPM	General Processing Module	GPRS	General Packet Radio Service
GPS	Global Positioning System	GPSSU	Global Positioning System Sensor Unit
GPT	Ground Programming Tool	GPU	Ground Power Unit
GPWC	Ground Proximity Warning Computer	GPWS	Ground Proximity Warning System
GR	Gear	GR	Goods Received
GRC	Glass Reinforced Composite	GRESS	General Requirements for Equipment and System Suppliers
GRFC	Global RFC	GRP	Geographic Reference Point
GRP	Glass-Reinforced Plastic	GRP	Ground Reference Point
GRP	Ground/Geographical Reference Point	GRU	Ground Refrigeration Unit
GRV	Groove	GRVTY	Gravity
GS	Ground Speed	GSB	Ground Service Bus
GSE	Ground Support Equipment	GSHLD	Glareshield
GSM	Global System for Mobile Communication	GSM	General Structure Manual
GSP	Ground Service Panel	GTA	General Terms Agreement
GTHRG	Gathering	GTI	Ground Test Instructions
GTR	Ground Test Requirements	GUI	Graphic Interface Unit
GUI	Graphical User Interface	GVI	General Visual Inspection
GW	Gross Weight	GWDU	Galley Waste Disposal Unit
GWR	General Working Rules	GY	Grey
GYRO	Gyroscope	H	Hot (Electrical Point)
H	Runway Thickness	H/W	Hardware
HA	Holding Pattern to an Altitude Termination	HACCP	Hazard Analysis Critical Control Point
HADC	Hybrid Air Data Computer	HAN	Hardware Assurance Nominee
HARN	Harness	HAS	Heading and Attitude System
HCS	Humidification Control System	HCU	Head Up Combiner Unit
HCU	Hydraulic Control Unit	HD	Head
HD	Hold	HDDA	Hard Disk Drive Array
HDG	Heading	HDG/S	Heading Selected
HDL	Handle	HDLG	Handling
HDM	HSDU Data Module	HDST	Headset
HDWHL	Handwheel	HE	Human Error
HEA	Human Error Analysis	HEATG	Heating
HEGS	Hydraulic Electrical Generating System	HEMEA	Human Error Modes and Effect Analysis
HEPA	High Efficiency Particulate Air	HERTO	High Energy Rejected Takeoff
HES	Head-End Switch	HES	Head End Server
HESU	Head-End Server Unit	HEX	Hexadecimal
HF	High Frequency	HF	Holding Pattern to a Fixed Waypoint
HF	Human Factors	HFDR	High Frequency Data Radio
HFEC	High Frequency Eddy Current	HGA	High Gain Antenna
HHL	Horizontal Hinge Line	HHT	Hand-Held Tester
HHX	Hydraulic Heat Exchanger	HI	High
HIBU	Hybrid Illumination Ballast Unit	HID	High Intensity Discharge
HIDS	Host Intrusion Detection System	HIL	Hold Item List
HK	Knoop Hardness Test Value	HL	High Level
HLAC	High Level AC Voltage	HLCL	Helical
HLD	High Power Amplifier/Low Noise Amplifier/Diplexer	HLD	Hold
HLDC	High Level DC Voltage	HLDR	Holder
HLTY	Healthy	HM	Holding Pattern with a Manual Termination
HMC	Hydromechanical Control	HMC	Hydraulic Monitoring and Control
HMCA	Hydraulic Monitoring and Control Application	HMCRF	Hydraulic Monitoring and Control Remote Function
HMDU	Hatrack-Mounted Display Unit	HMI	Human-Machine Interface
HMU	Hydromechanical Metering Unit	HMU	Hydromechanical Unit
H NAV	Horizontal Navigation	HNG	Hinge
HO	HandOver	HoE	Head of Engineering
HOLD	Holding	HOR	Hold Open Rod
HORIZ	Horizontal	HOT	High Oil Temperature
HOV	Head Of Version	HP	High Pressure
HPA	High Power Amplifier	HPC	High Pressure Compressor
HPC	Rear Compressor Rotor and Stator Assembly	HPP	Hardware Pin Programming
HPR	High Power Relay	HPT	High Pressure Turbine
HPT	Rear Compressor Drive Turbine Rotor Assembly	HPTACC	High Pressure Turbine Active Clearance Control
HPTC	High Pressure Turbine Clearance	HPTCC	High Pressure Turbine Case Cooling
HPTCC	High Pressure Turbine Clearance Control	HPTR	High Pressure Turbine Rotor
HPU	Head up Projection Unit	HPV	HP Bleed Valve
HPV	High Pressure Valve	HR	Hot Rolled
HR	Hour	HR	Human Resources
HR	Human Reliability	HRD	HMI Requirement Document
HRP	Horizontal Reference Plane	HRS	Hot Rolled Steel
HRS	Hours	HS	High Speed
HSDU	High Speed Data Unit	HSG	Housing
HSI	Horizontal Situation Indicator	HSI	Hot Section Inspection
HSMU	Hydraulic System Monitoring Unit	HSMU	Hydraulic System Management Unit
HSS	High Speed Steel	HT	Heat
HTD	Heated	HTG	Heating
HTML	Hyper Text Mark-up Language	HTP	Horizontal Tail Plane
HTR	Heater	HTTP	HyperText Transfer Protocol
HT TR	Heat Treat	HUD	Head-Up Display
HUDC	Head Up Display Computer	HUMIDIF	Humidification
HV	High Voltage	HV	Vickers Hardness Test Value
HVDF	High and Very High Frequency Direction - Finding Station	HVPS	High Voltage Power Supply
HWBPT	Hardware Breakpoint	HYD	Hydraulic
HZ	Hertz	I	Inertial
I	Invoice Card	I/F	Interface
I/I	Inspection/Interval	I/O	Input/Output
I/P	Input	I/P	Intercept Point
I/P	Intercept Profile	IAE	International Aero Engines
IAF	Initial Approach Fix	IAS	Indicated Airspeed
IAS	International accounting standards	IATA	International Air Transport Association
IATP	International Air Transport Pool	IAW	In Accordance with
IAWP	Initial Approach Waypoint	IBIT	Initiated BITE
IBLC	Inter-Bus Line Contactor	IBN	Identification Beacon
IBU	Integrated Ballast Unit	IC	Integrated Circuit
IC	Invoice Control Card	ICA	Instructions for Continued Airworthiness
ICAO	International Civil Aviation Organisation	ICARE	Illustration, Constraint, Activity, Rule, Entity
ICC	Integrated Change Control	ICC	International Chamber of Commerce
ICC	Integrated Configuration Control	ICCAIA	Inter Co-ordinating Council of Aerospace Industries Association
ICCB	ISMD Change Control Board	ICD	Interface Control Document
ICE	In Circuit Emulation	ICP	Integrated Control Panel
ICPS	Integrated Control Panel System	ICS	Independent Check Sheet
ICU	Isolation Control Unit	ICU	IGGS Controller Unit
ICY	Interchangeability	ID	Inside Diameter
ID	Identification	IDBT	Integrated Design and Build Team
IDC	Instrument Display Catalog	IDENT	Identification
IDENT	Identifier	IDENT	Identify
IDG	Integrated Drive Generator	IDLS	Internal Door Locking System
IDM	Impact Drawing Management	IDOLS	In-service Data tools
IDP	Integrated Data Processing	ID PL	Identification Plate
IDS	Intrusion Detection System	IDU	Interactive Display Unit
IEC	International Electrotechnical Commission	IECHA	Intrinsic/Environmental Conditions Hazard Analysis
IEEE	Institute of Electrical and Electronic Engineers	IES	Industrial Evaluation Sheet
IETF	Internet Engineering Task Force	IF	Initial Fix
IF	Intermediate Frequency	IFA	Integrated Final Assembly
IFA	International Federation of Airworthiness	IFE	In-Flight Entertainment
IFEC	In-Flight Entertainment Center	IFES	In-Flight Entertainment System
IFP	In-Flight Performance Computation Program	IFPA	InFlight Performance Application
IFR	Instrument Flight Rules	IFRS	International financial reporting standards
IFSD	In-Flight Shut Down	IFTB	In flight Turn back
IGA	Intermediate Gain Antenna	IGB	Inlet Gear Box
IGDS	Inert Gas Distribution System	IGGS	Inert Gas Generation System
IGN	Ignition	IGSC	Inert Gas System Control
IGV	Inlet Guide Vane	IHA	Intrinsic Hazard Analysis
IIPD	Illustrated Initial Provisioning Document	ILF	Integrated Loading Facilities
ILLUM	Illumination	ILLUMD	Illuminated
ILS	Instrument Landing System	IM	Inner Marker
IMA	Integrated Modular Avionics	IMACS	Information Management Aircraft-ground Communication System
IMC	Indirect Maintenance Cost	IMCC	Information Management Common Cabinet
IME	Integrated Maintenance Extract	IMM	Immediate
IMPACT	Improvement Manufacturer Program for Airbus Customer Training	IMR	Interlock Monitoring Relay
IMU	Inertial Measurement Unit	INA	Initial Approach
INB	Inbound	INBD	Inboard
INCLG	Including	INCR	Increment
INCR	Increase	IND	Indicator
INDG	Indicating	INFO	Information
INHI	Inhibit	INHIB	Inhibit
INHIB	Inhibited	INHIB	Inhibition
INIT	Initial	INIT	Initialization
INOP	Inoperative	INP	Input
INR	Inner	INRTL	Inertial
INS	Inertial Navigation System	INSP	Inspection
INST	Instinctive	INST	Instrument
INSTL	Installation	INSTLLD	Installed
INSTM	Instrumentation	INSUL	Insulate
INSUL	Insulation	INSUL	Insulator
INT	Interior	INT	Interrupt
INT	Intersection	INTCON	Interconnection
INTCP	Intercept	INTEG	Integral
INTEG	Integrally	INTEN	Intensity
INTERCOM	Intercommunication	INTFC	Interface
INTG	Integral	INTGT	Integrate
INTGT	Integrating	INTL	Internal
INTLK	Interlock	INTMD	Intermediate
INTMT	Intermittent	INTPH	Interphone
INTR	Interior	INTRG	Interrogate
INTRG	Interrogator	INTRPT	Interrupt
INU	Inertial Navigation Unit	INV	Inverter
INWP	Intermediate Waypoint	IOC	Indirect Operating Cost
IOE	Initial Operating Experience	IOM	Input/Output Module
IOR	Immediate Operational Requirement	IP	Intermediate Pressure
IP	Initial Provisioning	IP	Internet Protocol
IP	Invoice Packing Card	IP	Interested Party
IP	Intellectual Property	IPC	Illustrated Parts Catalog
IPC	Intermediate Pressure Bleed Check Valve	IPCA	Industrial Process Capability Assessment
IPCC	Intergovernmental Panel on Climate Change	IPCT	Initial Provisioning Coordination Team
IPCU	Ice Protection Control Unit	IPCV	Intermediate Pressure Check Valve
IPD	Illustrated Provisioning Document	IPD	Initial Provisioning Data
IPD	Illustrated Parts Data	IPDU	Ice Protection Data Unit
IPL	Illustrated Parts List	IPO	Initial Public stock Offering
IPO	Initial Public Offering	IPPU	Instrumentation Position Pick-off Unit
IPR	Intellectual Property Rights	IPRAM	Integrated Prerecorded Announcement Module
IPS	Incorrect Phase Sequence	IPSM	Intelligent Power Supply Module
IPT	Inadvertent Power Transfer	IPT	Integrated Production Team
IPV	Indicator Para Visual	IQP	Integrated Quality Plan
IR	Inertial Reference	IRAN	Inspection and Repair As Necessary
IRD	Integrated Receiver Decoder	IRDC	Interface Remote Data Concentrator
IRDM	Integrated Receiver Decoder Module	IRP	Integrated Refuel Panel
IRQ	Interrupt Request	IRR	Internal Rate of Return
Irr.M	Irritating Material	IRS	Inertial Reference System
IRS	Inspection Report System	IRU	Inertial Reference Unit
IS	Information Systems	IS	Information System
ISA	International Standard Atmosphere	ISA	Inertial Sensor Assembly
ISAMI	Improvement of Structure Analysis through Multi- disciplinary Integration	ISB	Inter-System Bus
ISB	Inspection Service Bulletin	ISCD	Inter System Communication Data
ISDN	Integrated Services Data Network	ISDN	Information System Data Network
ISDU	Inertial Sensor Display Unit (IRS)	ISG	Instrument Symbol Generator Unit
ISG	Integrated Starter Generator	ISG	Intermediate Service Goal
ISIS	Integrated Standby Instrument System	ISM	Illumination Sensor Module
ISM	International Supply Chain Manager	ISMD	Inter System Maintenance Data
ISO	International Standardization Organization	ISOL	Isolation
ISP	Integrated Static Probe	ISP	In-Service Problem
ISPSS	In-Seat Power Supply System	ISPSU	In-Seat Power Supply Unit
ISPU	In-Seat Power Supply Unit	ISRO	In-Service Reportable Occurrence
ISS	Inertial Sensor System	ISU	Inertial Sensor Unit
ISWL	Isolated Single Wheel Load	IT	Interruption
IT	Information Technology	IT	Information Technology
ITCT	ISMD Templates Check Tool	ITH	Intake Housing
ITP	Intention To Proceed	ITR	Integration Test Request
ITS	Internal Technical Specification	IV	Isolation Valve
IVASEB	Integrated Video and Audio Seat Electronic Box	IVCP	Integrated Value Creation Project
IVMS	Internal Video Monitoring System	IVS	Inertial Vertical Speed
JAA	Joint Aviation Authorities	JAM	Jammed
JAM	Jamming	JAMG	Jamming
JAR	Joint Aviation Requirements	JB	Junction Box
JCT	Junction	JEMTOSS	Jet Engine Maintenance Task Oriented Support System
JEP	Jeppesen	JFGW	Jettison Final Gross Weight
JIC	Job Instruction Card	JID	Jeppesen Inflight Database
JIT	Just In Time	JITX	Jeppesen Integrated Tool Kit X
JK	Jack	JLS	Jack Level System
JOEB	Joint Operation Evaluation Board	JOG	Joggle
JTSN	Jettison	JUNCTN	Junction
K	Degrees Kelvin	K	K
K	Subgrade Reaction Modulus	KA	Knowledge Acquisition
KB/s	Kilo Bits per Second	KBD	Keyboard
KBE	Knowledge Based Engineering	KCCU	Keyboard and Cursor Control Unit
KDMS	Kongsberg Data Manufacturing System	KE	Knowledge Engineering
KFS	Kaspersky File System	KIMS	Kongsberg Integrated Management System
KM	Knowledge Management	KOR	Kick Off Review
KPI	Key Performance Indicator	KPP	Key Process Parameter
KRUG	Krueger	KU	Keyboard Unit
L	Left	L	Length
L/G	Landing Gear	L/HIRF	Lightning/High Intensity Radiated Fields
LA	Linear Accelerometer	LAF	Load Alleviation Function
LAG	Lagging	LAILA	LAvatory Interface and Light Adapter
LAM	Laminate	LAMM	Lights, Audio and Miscellaneous Module
LAN	Local Area Network	LAND	Landing
LAP	List of Applicable Publications	LAR	List of Applicable Rules
LAT	Lateral	LAT	Latitude
LATC	Live Animal Transportation Calculation	LAU	Linear Accelerometer Unit
LAV	Lavatory	LBA	Logical Bus Application
LBA	Luftfahrt Bundes Amt	LBOM	Logistic Bill of Material
LBP	Left Bottom Plug	LC	Line Contactor
LC	Labour Cost	LC	Logistic Conditions
LCC	Life Cycle Cost	LCD	Liquid Crystal Display
LCDT	Load Compressor Discharge Temperature	LCF	Left Center Fuselage
LCH	Latch	LCHG	Latching
LCIT	Load Compressor Inlet Temperature	LCL	Line Check List (Maintenance)
LCN	Load Classification Number	LCP	Local Control Panel
LCSD	Line Check Support Data	LCT	Locate / Location / To Locate
LCTR	Locator	LD	Lower Deck
LD	Left Display	LD	Load
LDA	Localizer-type Directional Aid	LDC	Local Door Controller
LDC	Local Domain Coordinator	LD CAB	Lower Deck Cabin
LDCC	Lower Deck Cargo Compartment	LDCD	Lower Deck Cargo Door
LDF	Lower Deck Facilities	LDG	Landing
LD GALY	Lower Deck Galley	LDG GR	Landing Gear
LDI	Landing Direction Indicator	LD LAV	Lower Deck Lavatory
LDM	Loads Dispatch Manager	LDMCR	Lower Deck Mobile Crew Rest
LDPA	LanDing Performance Application	LDS	Laptop Docking Station
LDS	Load Delivery Service	LDSF	Lower Deck Surveillance Function
LE	Leading Edge	LE	Log Entry
LEAU	Large Environment Accelerometer Unit	LED	Light Emitting Diode
LEHGS	Local Electro-Hydraulic Generation System	LEL	Lower Explosive Limit
LEO	Little Earth Orbit	LEP	List of Effective Pages
LER	Leading Edge Rib	LETD	List of Effective Technical Data
LF	Low Frequency	LF	Late Finish Date
LFR	Low Frequency Radio Range	LG	Light Green
LGA	Low Gain Antenna	LGB	Landing Gear Bay
LGCIS	Landing Gear Control Indication System	LGCIU	Landing Gear Control and Interface Unit
LGCM	Light Green Communication Manager	LGERS	Landing Gear Extension and Retraction System
LGMS	Landing Gear Management System	LGND	Legend
LGRDC	Landing gear Remote Data Concentrator	LGWSS	Landing Gear Well Surveillance System
LH	Left Hand	LIB	Loudspeaker and Indicator Box
LIBOR	London Inter-Bank Offered Rate	LIFO	Last In First Out
LIM	Limit	LIM	Limitation
LIM	Limiter	LIM	Limiting
LIMG	Limiting	LIPPLE	Lowest Intelligible Phone Power Level
LIQD	Liquid	LIR	Logistic Information Referential
LIS	Localizer Inertial Smoothing	LISA	Light Interface Standardization Adapter
LKD	Locked	LKG	Locking
LKR	Locker	LKSHFT	Lockshaft
LL	Latitude/longitude	LL	Low Level
LL1	Waypoint from Waypoint List Abbreviated	LLA	Lavatory Light Adapter
LLAC	Low Level AC Voltage	LLDC	Low Level DC Voltage
LLDC	Low Level Direct Current	LLF	Lateral Load Fitting
LLI	Long Lead Time Item	LLL	Low Level Light
LLO	Long Leadtime Option	LLP	Lead Logistics Provider
LLS	Left Line Select Key	LLS	Liquid Level Sensor
LLS	Low-Level Solid Radioactive Material	LLSELV	Left Lock Selector Valve
LMC	Least Material Condition	LMC	Last Minute Change
LMES	Loss of Main Electrical Supply	LMF	Local Maintenance Function
LMM	Compass Locator at Middle Marker	LMP	Left Middle Plug
LMP	Line Maintenance Part	LMS	Leakage Measurement System
LMT	Local Mean Time	LNA	Label Not Available
LNA	Low Noise Amplifier	LNG	Long
LNR	Linear	LO	Low
LO	Local Oscillator	LO	Link Object
LOC	Localizer	LOC	List of Overhaulable Components
LOCKG	Locking	LODD	Last acceptable On Dock Date
LOFT	Line Orientated Flight Training	LOG	Logic
LOGO	Logogram	Lo Lo Handling	Load On Load Out Handling
LOM	Compass Locator at Outer Marker	LONG	Longitude
LONG	Longitudinal	LONGL	Longitudinal
LONGN	Longeron	LOP	Low Oil Pressure
LOP	Life Operational Process	LOPA	Layout of Passenger Accommodation
LO PR	Low Pressure	LORAN	Long Range Aid to Air Navigation
LOS	Lavatory Occupied Sign	LP	Low Pressure
LPC	Low Pressure Compressor	LPC	Less Paper in the Cockpit
LPC	Low Compressor Rotor and Stator Assembly	LPCNG	LPC New Generation
LPE	Laissez-Passer Exceptionnel	LPFEV	Long Power Failure Event
LPO	Landings per Overhaul	LPT	Low Pressure Turbine
LPT	Front Compressor Drive Turbine Rotor Assembly	LPTACC	Low Pressure Turbine Active Clearance Control
LPTC	Low Pressure Turbine Clearance	LPTCC	Low Pressure Turbine Case Cooling
LPTCC	Low Pressure Turbine Clearance Control	LPTR	Low Pressure Turbine Rotor
LPU	Lightning Protection Unit	LR	Long Range
LRE	List of Radioactive and Hazardous Elements	LRI	Line Replaceable Item
LRI	Liquid Resin Infusion	LRM	Line Replaceable Module
LROPS	Long Range Operations	LRRA	Low Range Radio Altimeter
LRU	Line Replaceable Unit	LS	Landing System
LS	Loudspeaker	LS	Low Speed
LS	Line Select Key	LS	Late Start Date
LS	Loadable Software	LS	Line Station
LSA	Low Specific Activity Radioactive Material	LSA	Low Speed Aileron
LSAP	Loadable Software Aircraft Parts	LSB	Least Significant Bit
LSB	Lower Sideband	LSC	Load Signature Certificate
LSC	Least Significant Character	LSD	Logistic Support Date
LSDS	Load Sensing Drive Strut	LSI	Large Scale Integrated/Integration/Integrator
LSP	Low Speed	LSP	Loadable Software Part
LSR	Load Shedding Relay	LSR	Last Significant Bit
LSSELV	Left Steering Selector Valve	LSU	Lavatory Service Unit
LSV	Left Servo metering Valve	LT	Light
LT	Teleloading	LTD	Limited
LTD PLT	Lighted Plate	LTG	Lighting
LTM	Livestock Transportation Manual	LTO	Landing and TakeOff
LTP	Left Top Plug	LTR	Lab Test Request
LTR	Laboratory Test Requirements	LTS	Lights
LTS	Load and Trim Sheet Software	LTV	Loan To Value
LUAR	Laboratory Unit Acceptance Review	LV	Low Voltage
LVDS	Low Voltage Differential Signaling	LVDT	Linear Variable Differential Transducer
LVL	Level	LVL/CH	Level Change
LVO	Low Visibility Operations	LVP	Low Visibility Procedure
LVR	Lever	LVR	Louver
LVT	Linear Voltage Transducer	LW	Landing Weight
LW	Left Wing	LWP	Large Work Package
LWR	Lower	LWSA	Lavatory Water Supply Assy
L-x	Lavatory - X	M	Magenta
M	Mode	M/L	Mood Lighting
MA	Maintenance Annunciator	MAA	Maximum Authorized IFR Altitude
MAAP	Members and Associated Partners	MABH	Minimum Approach Breakoff Height
MAC	Mean Aerodynamic Chord	MAC	Maintenance Action Classification
MACH	Machine / Machining / To Machine	MACT	Module Application Configuration Table
MADAR	Malfunction Detection Analysis and Recording Subsystem	MAF	Maintenance Access Function
MAG	Magnetic	MAG	Magazine
Mag.M	Magnetized Material	MAG DEC	Magnetic Declination
MAGN	Magnetron	MAG VAR	Magnetic Variation
MAIDS	Multipurpose Automatic Inspection and Diagnostic System	MAIN MUX	Main Multiplexer
MAINT	Maintenance	MAJ	Major
MALS	Medium Intensity Approach Light System	MALSR	Medium Intensity Approach Light System with Runway Align
MAN	Manual	MAP	Ground Mapping
MAP	Master Annunciator Panel	MAP	Mise au point
MAP	Missed Approach Segment	MAPSP	Master Attendant Passenger Service Panel
MAREP	Maintenance Report	MAS	Modification Approval Sheet
MASI	Mach Airspeed Indicator	MAT	Multi-purpose Access Terminal
MAT	Maintenance Access Terminal	MAT	MOD Assessment Tool
MAWP	Missed Approach Waypoint	MAX	Maximum
MBSE	Model-Based Systems Engineering	MC	Master Change
MC	Material Cost	MC	Means of Compliance
MCA	Minimum Crossing Altitude	MCA	Maintenance Central Access
MCA	Master Component Assembly	MCBF	Mean Cycles between Failures
MCC	Modification Customer Chart	MCC	Multi Crew Cooperation
MCC	Maintenance Control Center	MCCP	Major Change Certification Plan
MCCS	Major Change Certification Summary	MCCT	Module Common Configuration Table
MCD	Movable Class Divider	MCDL	Master Configuration Deviation List
MCDU	Multipurpose Control & Display Unit	MCE	Motor Control Electronic
MCH	Machined	MCL	Maximum Climb
MCPU	Motor Control and Protection Unit	MCR	Manufacturer Change Request
MCR	Maximum Cruise	MCRI	Military Certification Review Item
MCS	Mission Computer Subsystem	MCS	MultiChannel Aviation Satellite Communication System
MCT	Maximum Continuous Thrust	MCU	Master Control Unit
MCU	Modular Concept Unit	MCUR	Mean Cycle Between Unscheduled Removals
MCVL	Manual Configuration Variation List	MCW	Modulated Continuous Wave
MD	Main Deck	MDA	Minimum Descent Altitude
MDA	Minimum Decision Altitude	MDAU	Modular Data Acquisition Unit
MDCC	Main Deck Cargo Compartment	MDCD	Main Deck Cargo Door
MDDU	Multipurpose Disk Drive Unit	MDF	Medium Frequency Direction Finding Station
MDH	Minimum Descent Height	MDL	Module
MDM	Material Data Meeting	MDR	Multiregional DBS (Digital Broadcast System) Receiver
MDU	Manual Drive Unit	MDU	Multiplier Divider Unit
MDU	Mobile Delivery Unit	MEA	Minimum En Route IFR Altitude
MEAS	Measurement	MEASRG	Measuring
ME-BMS	Manufacturing Engineering- Business Management System	MEC	Main Engine Control
MECH	Mechanic	MECH	Mechanical
MECH	Mechanism	MED	Medium
MEDB	Model/Engine DataBase	MEL	Minimum Equipment List
MEM	Memory	MEO	Middle Earth Orbit
MEP	Main Executive Program	MER	Manufacturing Engineering Responsible
MES	Main Engine Start	MES	Maintenance Economics Sheet
MET	Meteorological	MEV	Main Electro Valve
MEV	Million Electron-Volts	MEW	Manufacturer's Empty Weight
MF	Medium Frequencies	MFA	Memorized Fault Annunciator
MFD	MultiFunction Display	MFG	Manufacturing
MFP	Maintenance Facility Planning	MFP	MultiFunction Probe
MFP	Mixed Fission Products	MFR	Manufacturer
MFS	MultiFunction Sensor	MFT	Multi Function Team
MFTW	Maximum Design Fuel Transfer Weight	MFW	Maximum Design Flight Weight
MG	Maturity Gate	MGB	Main Gear Box
MGMT	Management	MGT	Management
MGY	Master Geometry	MHEA	Maintenance Human Error Analysis
MHM	Maintenance HMI Manager	MHSU	Magnetic Heading Sensor Unit
MHZ	Megahertz	MI	Magnetic Indicator
MIB	Management Information Base	MIC	Microphone
MICADA	Maintenance Improved Cabin Data Authoring	MICBAC	Micro-System Bus Access Channel
MID	Middle	MID	Modification Information Document
MIDU	Multi-Input Interactive Display Unit	MILA	MIni Light Adapter
MIMOS	Maintenance Information Management tOols for Systems	MIN	Minimum
MIN	Minor	MIN FUEL	Minimum Fuel
MIN TIME	Minimum Time	MIP	Maintenance Information Printer
MIP	Master Interphone Panel	MIPO	Manually Issued Purchase Order
MIPS	Maintenance Information and Planning System	MIS	Maintenance Information System
MISC	Miscellaneous	MISP	Major In Service Problem
MJW	Maximum Jacking Weight	MKC	Manufacturing Key Characteristic
MKGS	Markings	MKR	Marker (radio) Beacon
MLA	Maneuver Load Alleviation	MLAP	Maintenance Laptop
MLC	Mood Lighting Controller	MLD	Molded
MLFAP	Mood Lighting Flight Attendant Panel	MLG	Main Landing Gear
MLGB	Main Landing Gear Bay	MLI	Magnetic Level Indicator
MLIH	Magnetic Level Indicator Housing	MLS	Microwave Landing System
MLW	Maximum Landing Weight	MM	Middle Marker
MM	Maintenance Manual	MM	Main Multiplexer
MM	Manufacturing Manager	MMC	Maximum Material Condition
MMDB	Mechanical Main Data Bank	MME	Maintenance & Maintainability Evaluation
MMEL	Master Minimum Equipment List	MMES	Man-Machine Environment System
MMH/FH	Maintenance Man Hours per Flight Hour	MMI	Manual Magnetic Indicator
MMR	Multi-Mode Receiver	MNFOLD	Manifold
MNI	Manufacturing Notice Instruction	MNPS	Minimum Navigation Performance Specification
MoA	Memorandum of Agreement	MOA	Maintenance Organisation Approval
MOCA	Minimum Obstruction Clearance Altitude	MOD	Modification
MOD	Modulator	MOD/V	Modulating Valve
Modem	Modulator-Demodulator	MODLTR	Modulator
MOI	Modification Operational Impact	MOKA	Methodology and software tools Oriented to KBE Applications
MoM	Minutes of Meeting	MOM	Maintenance Organization Manual
MON	Monitor	MON	Monitored
MON	Monitoring	MONG	Monitoring
MORA	Minimum Off Route Altitude	MORE	Mobile Online Reclamation
MORV	Mixer Overpressure Relief Valve	MOS	Metal Oxyde Semiconductor
MOS	Maintenance Operation Software	MOT	Motor
MOT	Motorized	MOU	Memorandum of Understanding
MP	Modification Proposal	MP	Main Processor
MP	Maintenance Practices	MP	Maintenance Procedure
MPA	Maximum Power Assurance	MPB	Micro Processor Bipolar
MPD	Maintenance Planning Document	MPDS	Maintenance Planning Data Support
MPFAP	Multi Purpose Flight Attendant Panel	MPL	Maximum Permitted Life
MPR	Multipurpose Register	MPS	Maximum Performance Specifications
MPS	Multiplex Power Supply	MPS	Master Production Schedule
MPT	Manufacturing Process Team	MPU	Modem Processor Unit
MPU	Magnetic Pickup	MPV	Manifold Pressure Valve
MPV	Multi Purpose Vehicle	MQM	Mobile Quality Management
MQPB	Minimum Quantity Price Break	MRA	Minimum Reception Altitude
MRB	Maintenance Review Board	MRB	Materials Review Board
MRBD	Maintenance Review Board Document	MRBR	Maintenance Review Board Report
MRC	Mobile Rack Concept	MRIU	Maintenance & Recording Interface Unit
MRO	Maintenance and Repair Organization	MRP	Material Requirements Planning
MRP	Material Resource Planning	MRS	Maintenance, Reliability, Supportability
MRS	Malfunction Reporting Systems	MRTT	Multi Role Tanker Transport
MRW	Maximum Ramp Weight	MS	Maintenance Schedule
MS	Military Standard	MSA	Minimum Safe Altitude
MSA	Master Services Agreement	MSB	Most Significant Bit
MSC	Airbus Materiel Support Centre	MSC	Maintenance Steering Committee
MSCN	Manufacturer Specification Change Notice	MSD	Mass Storage Device
MSDS	Material Safety Data Sheet	MSE	Maintenance System Extract
MSG	Maintenance Steering Group	MSG	Message
MSI	Maintenance Significant Item	MSI	Medium Scale Integrated
MSL	Mean Sea Level	MSL	Maintenance Significant Item List
MSL	Maintenance System Load	MSM	Monitoring System Module
MSN	Manufacturer Serial Number	MSOV	Main Deck Shut Off Valve
MSTR	Master	MSU	Media Server Unit
MSU	Mode Selector Unit (IRS)	MSU	Motor Switching Unit
MSU	Magnetic Sensor Unit	MSW	Microswitch
MT	Mount	MT	Mapping Table
MTA	Maintenance Task Analysis	MTAD	Military Transport Aircraft Division
MTBD	Mean Time Between Defects	MTBF	Mean Time Between Failures
MTBI	Mean Time Between Inspection	MTBIFS	Mean Time Between In Flight Shut-down
MTBPR	Mean Time Between Premature Removals	MTBR	Mean Time Between Removals
MTBT	Mean Time Between Trouble	MTBUR	Mean Time Between Unscheduled Removals
MTE	Manual Test Equipment	MTG	Mounting
MTGC	Mounting Center	MTI	Multi Tank Indicator
MTN	Motion	MTO	Maximum Take-Off
MTO	Météo	MTOGW	Maximum Takeoff Gross Weight
MTOP	Maintenance Task Operating Plan	MTOW	Maximum Takeoff Weight
MTP	Maintenance and Test Panel	MTR	Meter
MTRM	Mid Term Planning Meeting	MTS	Maintenance Training Simulator
MTS	Mixer Temperature Sensor	MTTF	Mean Time to Failure
MTTR	Mean Time to Repair	MTTUR	Mean Time to Unscheduled Removal
MTUR	Mean Time Between Unscheduled Removals	MTW	Maximum Taxi Weight
MTXW	Maximum Taxi Weight	MU	Management Unit
MUX	Multiplex	MUX	Multiplexer
MV	Multivibrator	MVDR	Multiple VHF Data Radio
MVT	Movement	MW	Minimum Weight
MWARN	Master Warning	MWC	Master Warning Computer
MWE	Manufacturer's Weight Empty	MWG	Maintenance Working Group
MWP	Master Warning Panel	MWS	Master Warning System
MXR	Mixer	MZFCG	Maximum Zero Fuel Center of Gravity
mZFW	Minimum Zero Fuel Weight	MZFW	Maximum Zero Fuel Weight
N	North	N	Neon
N	Normal	N/A	Not Applicable
N/P	Next Page	N/W	Nose Wheel
N/WS	Nose Wheel Steering	N.O.R	Normal Operating Range
N1	Engine Fan Speed	N1	Low Pressure Rotor Speed
N1.D	N1 Descent	N1.L	N1 Latch
N2	High Pressure Rotor Speed	NA	Neutral Axis
NAA	National Aviation Authority	NAC	Nacelle
NAC	Nacelle Air Cooling	NACA	National Advisory Committee for Aeronautics
NAC STA	Nacelle Station	NADP	Noise Abatement Departure Procedure
NAI	Nacelle Anti-Icing	NAIF	NSS ACR Instrumentation Function
NAS	Navy and Army Standard	NASA	National Aeronautics and Space Administration
NatCo	National Company	NATS	North American Telephone System
NAV	Navigation	NAVAID	Navigation Aid
NBCM	Normal Brake Control Manifold	NBF	Network BITE Function
NBM	Nicht einzuarbeitende BM	NBPT	No Break Power Transfer
NBS	National Bureau of Standards	NBSELV	Normal Brake Selector Valve
NC	Normally Closed	NC	Non Conformity
NC	Numerical Control	NCAGE	NATO Commercial and Government Entity
NCC	Nacelle Compartment Cooling	NCD	No Computed Data
NCF	Non Crimp Fabric	NCF	Nose and Center Fuselage
NCH	Noise Compensated Headset	NCLL	Not Closed & Latched & Locked
NCR	NSS Communication Router	NCU	NSS Control Unit
NCU	Navigation Computer Unit	NCU	Network Control Unit
NCV	Nacelle Cooling Valve	ND	Navigation Display
ND	Navigation Database	NDA	Non Disclosure Agreement
NDB	Non-Directional Beacon	NDB	Navigation Data Base
NDB	Non-Directional Radio Beacon	NDM	Noise Definition Manual
NDT	Non-Destructive Test	NEG	Negative
NELI	Non-Electrical Galley Inserts	NFC	Not Fully Closed
NFO	Not Fully Open	NFOV	Narrow Field of View
NGCW	Next Generation Composite Wing	NHA	Next Higher Assembly
NLA	Non-Listed Assembly	NLCP	Noise Level Calculation Program
NLG	Nose Landing Gear	NMI	Non Maskable Interrupt
N MOS	Negative Metal Oxide Semiconductor	N MOS	N-Channel Metal Oxide Semiconductor
NMS	Noise Masking System	NMU	Noise Masking Unit
No	Number	NO	Normal Operation
NO	Normally Open	NO	Normal Operation in SSM
NonflaG	Non-Flammable Compressor Gas	NOPT	No Procedure Turn Required
NORM	Normal	NOTAM	Notice to Airmen
NOVOLRAM	Non-volatile Random Access Memory	NOx	Nitrogen Oxides
NOy	Nitrous Oxides	NP	Non Procurable
NPA	Non Precision Approach	NPI	New Product Introduction
NPN	Negative-Positive-Negative	NPT	National Taper Pipe (Thread)
NPV	Net Present Value	NRC	Non-Recurring Cost
NRC	Non-Recurring Costs	NRP	Navigation Reference Point
NRW	Net Recoverable Weight	NRZ	Non Return To Zero
NS	No Smoking	NSA	Norme Sud Aviation
NSCM	NATO Supply Code for Manufacturers	NSDW	Non Specific Design Work
NSIU	Nose Static Interface Unit	NSM	Network Server Module
NSP	New Systems Policy	NSS	Network Server System
NSU	Network Server Unit	NSV	Normal Servo Valve
NTC	Notice To Crew	NTF	Non-textile Floor Covering
NTM	Nondestructive Testing Manual	NTO	No Technical Objection
NTSC	National Television System Committee	NTWK	Network
NUA	Normal Unlock Actuator	NUM	Numerical
NVM	Non-Volatile Memory	NW	Nose Wheel
NWS	Nose Wheel Steering	Nz	Vertical Load Factor
O	Open	O	Orange
O/C	Open Circuit	O/P	Output
O2	Oxygen (Symbol)	OADMT	Overall Aircraft Design Management Team
OAMS	Onboard Asynchronous Messaging Service	OANC	Onboard Airport Navigation Computer
OANS	Onboard Airport Navigation System	OASI	Operation and Service Instruction Manual
OASIS	Overall Aircraft Systems Integration Strategy	OAT	Outside Air Temperature
OAV	On Aircraft Validation	OBCE	On-Board Control Equipment
OBCE-WW	On-Board Control Equipment WorldWide	OBOGS	On Board Oxygen Generation System
OBRM	On Board Replaceable Module	OBS	Omni Bearing Selector
OBS	Organization Breakdown Structure	OBS	Organizational Breakdown Structure
OBSV	Observation	OBSVR	Observer
OC	Oceanic Clearance	OC	Open Circuit
OC	Overcurrent	OC	On Condition
OC	Order Card	OCCPD	Occupied
OCCPNT	Occupant	OCED	Operator-Customized ECAM Database
OCL	Obstacle Clearance Limit	OCM	Outflow Valve Control Module
OCM	Out of Control Months	OCS	Obstacle Clearance Surface
OCS	Overall Customer Satisfaction	OCSM	Outflow Valve Control and Sensor Module
OCU	Outflow Valve Control Unit	OD	Outside Diameter
ODD	On Dock Date	ODSM	Open world Data Storage Module
ODU	Optical Display Unit	OEA	Oxygen Enriched Air
OEB	Operations Engineering Bulletin	OEM	Original Equipment Manufacturer
OEW	Operational Empty Weight	OF	Overfrequency
OFDM	Onboard Flight Data Monitoring	OFF/R	Off Reset
OFFR	Off/Reset	OFMV	Oil Flow Management Valve
OFST	Offset	OFV	Outflow Valve
OFW	Outer False Work	OG	Operational Group
OGV	Outlet Guide Vane	OH	Opposite Hand
OH	Operation Hours	OHC	Open Hole Compressive Strength
OHDS	OverHeat Detection System	OHDU	Overheat Detection Unit
OHP	Overhead Panel	OHSC	Overhead Stowage Compartment
OHT	Open Hole Tensile Strength	OHU	Optical Head Unit
OI	Operational Interruption	OIS	Onboard Information System
OIT	Oil Inlet Temperature	OIT	Onboard Information Terminal
OIT	Operator Information Telex	OJT	On Job Training
OK	Correct	OLA	Operational Level Agreement
OLE	Open Logbook Entries	OLIVER	Output Level Intended for Very Excellent Reproduction
OLMS	Operational Loads Monitoring System	OLS	Onboard Loadable Software
OLW	Operational Landing Weight	OM	Outer Marker
OM	Overhaul Manual	OMM	Overhaul Manual Manufacturer
OMP	Operator Maintenance Program	OMS	Onboard Maintenance System
OMT	Onboard Maintenance Terminal	OMTBF	Observed Mean Time between Failure
OMTS	On-Board Mobile Telephony System	OMV	Overhaul Manual Vendor
ONS	Omega Navigation System	OOT	Oil Outlet Temperature
OP	Opalescent	OP	Operational
OPA	Operability Performance Assessment	OPAL	Order Processing Automated Line
OPC	Operational Program Configuration	OPER	Operative/Operation/Operating
OPMS	Oleo Pressure Monitoring System	OPNG	Opening
OPP	Opposite	OPS	Operations
OPS	Operational Program Software	OPT	Optimum
OPT	Optional	OPTL	Optional
OPTS	Oleo Pressure and Temperature Sensor	OPU	Overspeed Protection Unit
OPU	Overvoltage Protection Unit	OPV	Overpressure Valve
OR	Operational Reliability	ORF	Orifice
Org	Organisation	Org Per	Organic Peroxide
ORM	Onboard Replaceable Module	ORT	Owner Requirement Table
ORVD	Overpressure Relief Valve with Dump Function	ORZ	Omni Range Zero
OS	Operating System	OSC	Oscillator
OSCU	Oxygen System Control Unit	OSF	Open world Server Function
OSFC	Open world Server Function Cabinet	OSG	Overspeed Safety Governor
OSM	Operational Supplier Manager	OSS	Option Selectable Software
OSW	Out of Sequence Work	OTC	Operability Test Card
OTD	On Time Delivery	OTH	On Time Handover
OTOW	Operational Take-Off Weight	OTP	One Time Password
OTSSU	Outboard Transmission Speed Sensor Unit	OU	Outlet Unit
OUT	Outlet	OUT	Output
OUTB	Outbound	OUTBD	Outboard
OUTFLW	Outflow	OUTR	Outer
OV	Over	OVBD	Overboard
OVF	Over Frequency	OVFL	Overflow
OVHD	Overhead	OVHT	Overheat
OVID	Obviously Visible Impact Damage	OVLD	Overload
OVPRESS	Overpressure	OVRD	Override
OVSP	Overspeed	OVSTEER	Oversteer
OVTEMP	Overtemperature	OVV	Overvoltage
OW	Outer Wing	OWAG	Open World A/C Ground Communication
OWB	Outer WIing Box	OWD	Open World Diode
OWE	Operating Weight Empty	OWP	Over Wing Panel
OXY	Oxygen	Oxy M	Oxidizing Material
P	Purple	P	Pressure
P	Roll Rate	P	Probability
P/B	Pushbutton	P/BSW	Pushbutton Switch
P/C	Printed Circuit	P/C	Premium Class
P/L	Payload	P/N	Part Number
P/P ROM	Preprocessor ROM	P/Y	Premium Economy Class
P.ALT	Profile Altitude	P.CLB	Profile Climb
P.DES	Profile Descent	P.EPR	Profile EPR
P.MACH	Profile Mach	P.N1	Profile N1
P.P.	Prevention Process	P.SPD	Profile Speed
P(-+ OFF)	Polarity (minus, plus, off)	PA	Passenger Address
PA	Public Address	PA AMP	Passenger Address Amplifier
PAC	Production Activity Control	PAD	Partner Agreement Document
PADS	Pneumatic Air Distribution System	PAL	Programmable Array Logic
PAM	Product Assurance Manager	PAN	Process Assurance Nominee
PAR	Precision Approach Radar	PARAM	Parameter
PARK	Parking	PAS	Pitch Attitude Sensor
PATCC	Production Aircraft Test Completion Certificate	PATM	Production Aircraft Test Manual
PATS	Passenger Air-to-Ground Telephone System	PAX	Passenger
PAX	PAX Announcement Entertainment & Service Multiplex Sys	PB	Policy Board
PBD	Place Bearing/Distance	PBE	Protective Breathing Equipment
PBE	Product Based Evaluation	PBIT	Power-Up Built-in Test
PBM	Power Plant Build-up Manual	PBS	Product Breakdown Structure
PBSELV	Park Brake Selector Valve	PBSW	Pushbutton Switch
PBV	Pack Bay Ventilation	PC	Pack Controller
PC	Personal Computer	PC	Packing Card
PCA	Portland Cement Association	PCA	Positive Control Airspace
PCB	Printed Circuit Board	PCCB	Process Change Control Board
PCD	Performance Compliance Document	PCDM	Primary Contactor Driver Module
PCDS	Primary Contactor Driver System	PCE	Personal Consumption Expenditures
PCF	Passenger Cum Freighter	PCM	Power Conditioning Module
PCM	Pulse Code Modulation	PCMCIA	Personal Computer Memory Card International Association
PCOS	Power Cowl Opening System	PCPU	Primary COS Power Unit
PCS	Propulsion Control System	PCT	Probe Compensator Temperature
PCT	Percent	PCT	Product Cross-reference Table
PCU	Passenger Control Unit	PCU	Power Control Unit
PCU	Power Controller Unit	PD	Principle Diagram
PD	Pitch Diameter	PDA	Personal Digital Assistant
PDB	Performance Database	PDC	Panel Display Catalog
PDC	Procurement Data Card	PDCS	Power Distribution Control System
PDDC	Provisioning Descriptive Data Card	PDF	Portable Document Format
PDFU	Pedal Damping and Friction Unit	PDI	Planning Driven Item
PDL	Portable Data Loader	PDLCU	Privacy Door Lock Control Unit
PDLS	Privacy Door Lock System	PDM	Post Delivery Modification Material
PDM	Privacy Door Module	PDM	Product Data Management
PDMC	Power Distribution Maintenance Computer	PDMI	Power Distribution Maintenance Interface
PDMIC	Power Distribution Maintenance Interface Contactor	PDMMF	Power Distribution Monitoring and Maintenance Function
PDO	Power Door Opening	PDOS	Power Door Opening System
PDP	Product Development Plan	PDR	Product Design Review
PDR	Preliminary Design Review	PDRC	Procurement Data Reference Card
PDT	Project Development Team	PDT	Probe Dual Temperature
PDU	Power Drive Unit	PDU	Pulled Delivery Unit
PE	HP Stage Air Pressure	PED	Pedestal
PED	Portable Electronic Device	PEDMU	Primary Electrical Distribution Management Unit
PEF	Pylon Extension Fairing	PEGS	Production Engineering Group System
PEM	Performance Engineers Manual	PEP	Performance Engineers Program
PEPDC	Primary Electrical Power Distribution Center	PERC	Percussion
PERF	Performance	PERM	Permanent
PERS	Personal	PES	Passenger Entertainment System
PES	Production Engineering Specification	PESAR	Passenger Entertainment System Audio Reproducer
PESC	PES Controller	PESMMUX	Passenger Entertainment System Main Mux
PF	Pilot Flying	PF	Power Factor
PFCS	Primary Flight Control System	PFD	Primary Flight Display
PFDB	Power Floor Disconnect Box	PFEP	Plan For Every Part
PFEV	Power Failure Event	PFF	Pre-First Flight
PFIN	Power Failure Interrupt	PFIS	Passenger Flight Information System
PFQ	Preselected Fuel Quantity	PFR	Post Flight Report
PFS	Pre-Feasibility Study	PFTU	Pedal Feel and Trim Unit
PG	Page	PG BUS	Program Bus
PH	Phase	PHA	Preliminary Hazard Analysis
PHC	Probe Heat Computer	PHD	Protruding Head
PI	Procedure Turn to an Intercept	PIA	Peripheral Interface Adapter
PIA	Programmable Interface Adapter	PIESD	Passenger Information and Entertainment Services Domain
PIH	Pressure Interstage Hydraulic (PW eng)	PIM	Programming and Indication Module
PIM	Passive InterModulation	PIN	Personal Identification Number
PIN PROG	Pin Programming	PIPC	Power Plant Illustrated Parts Catalog
PIR	Pressure Interstage Return	PIREP	Pilot Report
PISA	Passenger Interface and Supply Adapter	PIU	Passenger Information Unit
PIX	Picture	PK	Pink
PKC	Performance Key Characteristic	PKI	Public Key Infrastructure
PKK	Power Plant Kit	PL	Plate
PL	Plug	PL	Party Logistics
PLA	Power Light Adapter	PLATF	Platform
PLC	Powerline Communication	PLCRD	Placard
PLS	Pulse	PLSP	Point Level Sensor Processor
PLT	Pilot	PLU	Power Lock Unit
PLYWD	Plywood	PM	Phase Modulation
PM	Project Management	PMA	Permanent Magnet Alternator
PMA	Parts Manufacturing Approval	PMAT	Portable Multipurpose Access Terminal
PMC	Power Management Control	PMC	Power Management Controller
PMC	Process Material Control	PMDB	Production Management Data Base
PMG	Permanent Magnet Generator	PMITS	Project Management Information Technology System
PMM	Personalization Memory Module	PMO	Project Management Office
PMO	Project Management Operation	PMP	Pump
PMP	Performance Monitoring Program	PMP	Primary Maintenance Process
PMR	Performance Maintenance Recorder	PMS	Process and Material Specification
PMU	Power Management Unit	PMUX	Power Plant Multiplexer
PMUX	Propulsion Multiplexer	PN	Part Number
PNEP	Pre-NAV Engagement Path	PNEU	Pneumatic
PNF	Pilot Non Flying	PNL	Panel
PNP	Positive-Negative-Positive	PNR	Part Number
PNT	Paint / Painting / To Paint	PNTL	Pintle
PO	Pickoff	PO	Purchase Order
POA	Production Organization Approval	POB	Pressure-Off Brake
PODD	Passenger Owned Devices Domain	PODTS	Precooler Dual Temperature Sensor
PoE	Point of Embodiment	POM	Production Organisation Manual
POM	Point of Measurement	POR	Point of Regulation
PORT	Portable	POS	Position
POST	Power on Self Test	POT	Potentiometer
PoU	Point of Use	POXIP	Passenger Oxygen Indication Panel
PPB	Provisioning Parts Breakdown	PPBU	Power Plant Build Up
PPC	Phosphor Protection Circuit	PPDC	Provisioning Procurement Data Card
PPDES	Product Performance Data Exchange Specifications	PPE	Proofreading Process Evidence
PPI	Plan Position Indicator	PPIPC	Power Plant IPC
PPM	Parts per Million	PPM	Performance Programs Manual
PPM	Pulse Position Modulation	PPOS	Present Position
PPU	Position Pickoff Unit	PQAS	Program Quality Assurance System
PR	Pressure	PR	Power Ready Relay
PR	Progress Meeting	PR	Regulated Pressure (downstream of bleed valve)
PR	Project Review	PRA	Particular Risk Analysis
PRAM	Prerecorded Announcement and Music	PRB	Probe
PRCSG	Processing	PRCSR	Processor
PREAMP	Preamplifier	PRECOOL	Precooler
PRED	Prediction	PRED	Predictive
PRE-EMPT	Pre-emptive	PREP	Preparation / Prepare / Prepared
PREREC	Prerecorded	PRESEL	Preselection
PRESEL	Preselector	PRES POS	Present Position
PRESS	Pressure	PRESS	Pressurization
PRESS	Pressurize	PREV	Previous
PRF	Interrogation Rate	PRGM	Program
PRI	Priority	PRIM	Primary
PRIM	PRIMary System	PRIM	PRIMary Computer
PRIMES	Product Related Information Management Enterprise System	PRL	Parallel
PRL	Parameter Requested List	PRL/MPL	Parameter Recording List/Main Parameter List
PRM	Passenger with Reduced Mobility	PROC	Procedure
PROCSR	Processor	PROC T	Procedure Turn
PROF	Profile	PROG	Program
PROG	Programming	PROG	Progress
PROJ	Projector	PROM	Programmable Read Only Memory
PROS	Present Position	PROT	Protection
PROX	Proximity	PRPHL	Peripheral
PRR	Power Ready Relay	PRSRZ	Pressurize
PRSRZG	Pressurizing	PRV	Pressure Regulating Valve
PS	Process Solution	PS	Product Structure
PSA	Passenger Service Adapter	PSC	Passenger Supply Channel
PSCU	Proximity Switch Control Unit	PSD	Protected Switch Device
PSDU	Power Supply Decoupling Unit	PSIC	Proximity Sensor Interface Card
PSIU	Passenger Service Information Unit	PSNR	Positioner
PSPM	Product Support Procedures Manual	PSQM	Propulsion System Quality Management
PSS	Passenger Services System	PSSA	Preliminary System** Safety Assessment
PSTN	Public Switch Telephone Network	PSU	Passenger Service Unit
PSU	Power Supply Unit	PSU	Passenger Supply Unit
PSUD	Passenger Service Unit Decoder	PSV	Planned Shop Visit
PT	Point	PT	Switching Pressure of HP Valve
PTC	Positive Temperature Coefficient	PT CODE	Part Code
PTDC	Provisioning Technical Data Card	PTLU	Pedal Travel Limiting Unit
PTM	Performance Training Manual	PTP	Programming and Test Panel
PTR	Push to Reset	PTR	Printer
PTS	Purchaser Technical Specification	PTT	Push-to-Test
PTT	Push-to-Talk	PTU	Power Transfer Unit
PTU	Power Transformer Unit	PU	Parts Usage
PU	Pick Up	PU	Processing Unit
PU	Panel Unit	PURS	Purser
PVC	Polyvinyl Chloride	PVD	Para Visual Director
PVI	Paravisual Indicating	PVIS	Passenger Visual Information System
PVS	Process Verification System	PW	Pratt & Whitney
PWCU	Potable Water Control Unit	PWDB	Power Wall Disconnect Box
PWIP	Potable Water Indication Panel	PWM	Pulse Width Modulator
PWR	Power	PWS	Potable Water System
PWS	Predictive WindShear	PWSP	Potable Water Service Panel
PYL	Pylon	Q	Pitch Rate
QA	Quality Assurance	QAD	Quick-Attach-Detach
QAM	Quadrature Amplitude Modulation	QAR	Quick Access Recorder
QAT	Quadruple ARINC Transmitter	QC	Quality Control
QC	Quick Change	QD	Quick Donning
QDB	Quality Directors Board	QEC	Quick Engine Change
QEI	Quality Event Information	QF	Quality Task Force
QFRP	Quartz Fiber Reinforced Plastic	QG	Quality gates
QIG	Quality Improvement Group	QIR	Quality Improvement Request
QISP	Quality In-Service Problem	Qj	Probability of Being in Condition j (for structure)
QLB	Quality Log Book	QMA	Qualitative Maintenance Analysis
QMS	Quality Management System	QMS	Quality Management System
QMU	QAM Modulator Unit	QPL	Qualified Products List
QRH	Quick Reference Handbook	QSR	Quality Survey Report
QSR	Quarterly Service Reports	QTP	Qualification Test Program
QTR	Qualification Test Report	QTY	Quantity
QTZ	Quartz	R	Red
R	Right	R	Release
R	Reset	R	Resistor
R	Yaw Rate	R/A/G	Red/Amber/Green
R/AD	Retro/Adaptation Drawing	R/C	Rate of Climb
R/D	Rate of Descent	R/H	Radar Height
R/I	Radio/Inertial	R/I	Removal/Installation
R/L	Reading Light	R/R	Rules/Recommendations
R/T	Radio Transmit	R/T	Receiver Transmitter Unit
R.A.	Recommended Actions	R&D	Research and Development
R&T	Research and Technology	RA	Radio Altimeter
RA	Radio Altitude	RA	Redundancy Assurance
RA	Resolution Advisory	RAA	Ram Air Actuator
RAAS	Runway Awareness and Advisory System	RAC	Rotor Active Clearance
RAC	Rules of the Air and Air Traffic Control	RACC	Rotor Active Clearance Control
RACON	Radar Beacon	RACSB	Rotor Active Clearance Start Bleed
RAD	Radio	RAD	Random Access Device
RAD	Roll Anticipation Distance	RADCON	Radar Data Converter
RadM	Radioactive Material	RADVR	Random Access Digital Video Reproducer
RAG	Repair Assessment Guidelines	RAI	Ram Air Inlet
RAID	Redundant Array of Independent Disks	RAIL	Runway Alignment Indicator Light System
RAIMS	Radio and Audio Integrating Management System	RALTU	Reprogrammable Annunciator Light Test Unit
RAM	Random Access Memory	RAO	Ram Air Outlet
RAPCON	Radar Approach Control	RAS	Repair Design Approval Sheet
RAS	Remote Access Service	RAS	Rien à Signaler
RASC	Reservoir Air Supply Cooler	RASCI	Responsible, Accountable, Support, Consulted, Informed
RAT	Ram Air Turbine	RAT	Ram Air Temperature
RATC	Remote Air Traffic Control	RAX	Random Access Transfer Memory
RB	Resource BITE	RBAY	Rib Bay / Rib Bays
RBC	Resource BITE Configuration	RBCU	Remote Braking Control Unit
RBE	Requirements Based Engineering	RBN	Radio Beacon
RBP	Right Bottom Plug	RBS	Resource Breakdown Structure
RC	Repetitive Chime	RC	Recurring Cost
RC	Reference Chord	RC	Recurring Costs
RCC	Remote Charge Converter	RCC	Remote Control Center
RCCB	Remote Control Circuit Breaker	RCCBM	RCCB Module
RCCP	Rough Cut Capacity Planning	RCCU	Remote Calibration Control Unit
RCD	RAAS Configuration DataBase	RCDG	Recording
RCDR	Recorder	RCF	Right Center Fuselage
RCL	Recall	RCLM	Runway Center Line Marking
RCLS	Runway Center Line Light System	RCP	Reverse Current Protection
RCPT	Receptacle	RCPTN	Reception
RCS	Radio Communication System	RCSM	Resident Customer Support Manager
RCT	Rear Center Tank	RCVR	Receiver
RCVY	Recovery	RD	Retro Drawing
RD	Right Display	RD	Reqirements Development
RDC	Remote Data Concentrator	RDDMI	Radio Dual Distance Magnetic Indicator
RDL	Resident Data Loader	RDNG	Reading
RDR	Request for Design Rework	RDU	Receiver Decoder Unit
RDY	Ready	RE	Requirements Engineering
RE	Responsible Engineering	READG	Reading
RECIRC	Recirculate	RECIRC	Recirculation
RECOG	Recognition	RECONF	Reconfiguration
RECT	Rectifier	RED	Reduction
REDCR	Reducer	REDUND	Redundancy
REF	Reference	REF ALIGN	Reference Alignment
REFF	Retraction, Extension and/or Free Fall test	REFLNG	Refueling
REFR	Refrigerator	REFUEL	Refueling
REG	Regulator	REG	Register
REGUL	Regulation	REIC	Reconfigurable ETOPS Isolation Contactor
REIL	Runway End Identification Lights	REL	Release
REL	Reluctance	REP	Repository
REP	Reporting Point	REPL BY	Replaced by
RES	Resistance	RET	Retract
RET	Return	RETR	Retract
RETRD	Retracted	RETRG	Retracting
RETRN	Retraction	REV	Reverse
REV	Revise	REV	Revision
REW	Recoverable Empty Weight	RF	Radio Frequency
RFA	Request for Amendment	RFC	Request for Change
RFC	Request For Comments	RFE	Rear Fuselage and Empennage
RFG	Request For GSE	RFI	Radio Frequency Interference
RFI	Request for Information	RFI	Resin Film Infusion
RFID	Radio Frequency Identification	RFN	Rear Fuselage Nacelle
RFP	Request for Proposal	RFQ	Request For Quotation
RFR	Request for Revision	RFS	Reason for Selection
RFS	Regardless of Feature Size	RFS	Request for Service
RFTI	Request For Technical Information	RFU	Radio Frequency Unit
RFW	Request for Work	RFX	Generic term for an RFI, RFTI or RFP
RGAU	Rate Gyro and Accelerometer Unit	RGLRD	Regulated
RGLTG	Regulating	RGLTN	Regulation
RGTR	Register	RH	Right Hand
RHEO	Rheostat	RHL	Rudder Hinge Line
RHS	Relative Humidity Sensor	RJB	Radio Junction Box
RK	Rack	RLA	Reverser Lever Angle
RLD	Required Landing Distance	RLF	Relief
RLG	Ring Laser Gyro	R-LMF	Right Side Local Maintenance Function
RLS	Remote Light Sensor	RLS	Right Line Select Key
RLSED	Released	RLSELV	Right Lock Selector Valve
RLTD	Related	RLY	Relay
RM	Radio Magnetic	RM	Requirements Management
RM	Responsible Manufacturing	RMCU	Remote Magnetic Compensation Unit
RMI	Radio Magnetic Indicator	RMM	Removable Memory Module
RMO	Retrofit Modification Offer	RMO	Request for Modification Order
RMO	Retrofit Modification Order	RMP	Radio and Audio Management Panel
RMP	Radio Management Panel	RMP	Right Middle Plug
RMS	Root Mean Square	RMS	Reference Manufacturing Shop
RMSG	Reference Manufacturing Shop Group	RMT	Remote
RMU	Radio Management Unit	RNAV	Area Navigation
RNG	Range	RNI	Radio Navigation Indicator
RNP	Required Navigation Performance	ROA	Return on assets
ROA	Read Only Area	RODS	Read Only Data Service
ROE	Return on equity	ROI	Return on investment (capital employed)
ROLR	Roller	ROLS	Remote Oil Level Sensor
ROM	Read Only Memory	R-OMS	Right Side Onboard Maintenance System
ROP	Runway end Overrun Protection	Ro-Ro Handling	Roll On Roll Out Handling
ROT	Runway Occupancy Time	ROTG	Rotating
ROW	Runway end Overrun Warning	RPB	Rear Pressure Bulkhead
RPCU	Residual Pressure Control Unit	RPDR	Reproducer
RPF	Reporting Processing Function	RPG	Report Program General
RPLNT	Repellent	RPSA	Rotating Pressure Sensing Assembly
RPTG	Repeating	RPTG	Reporting
RPTR	Repeater	RPU	Receiver Processor Unit
RQ	Recommended Quantity	RQ	Responsible Quality
RQRD	Required	RR	Rolls Royce
RR	Low or Medium Range Frequency Radio Range Station	RR	Rudder Rib
RS	Rear Spar	RS	Repeating Stroke
RSA	Request for Service Allowance	RSP	Responder Beacon
RSP	Risk Sharing Partner	RSPL	Recommended Spare Parts List
RSR	Route Surveillance Radar	RSS	Receiver Surveillance System
RSS	Root Sum Square	RSSELV	Right Steering Selector Valve
RST	Reset	RSU	Raster Shading Unit
RSV	Reserve	RSV	Right Servo metering Valve
RSVR	Reservoir	RTA	Receiver Transmitter ARINC
RTBC	Refuel and Towing on Battery Contactor	RTC	Real Time Clock
RTCA	Radio Technical Commission for Aeronautics	RTE	Route
RTF	Radio Telephony	RTF	Rich Text Format
RTF	Requirement for Test Facilities	RTG	Rating
RTK	Revenue Tonne Kilomètre	RTL	Rudder Travel Limiting
RTLU	Rudder Travel Limiting Unit	RTM	Real Time Monitoring
RTM	Resin Transfer Moulding	RTN	Return
RTNC	Refuel and Towing on Normal Contactor	RTNR	Retainer
RTO	Rejected TakeOff	RTOLW	Runway Takeoff and Landing Weight
RTOW	Runway Takeoff Weight	RTP	Right Top Plug
RTR	Router	RTRSW	Rotary Switch
RTRY	Rotary	RTS	Return to Seat
RTT	Return To Tank	RTU	Radar Transceiver Unit
RTU	Rate of Turn Unit	RUD	Rudder
RVCP	Remote Video Control Panel	RVDT	Rotary Variable Differential Transducer
RVG	Residual Value Guarantee	RVR	Runway Visual Range
RVS	Reverse	RVSM	Reduced Vertical Separation Minimum
RVSN	Reversion	RVT	Rotary Variable Transformer
RVT	Rivet	RW	Ramp Weight
RW	Right Wing	RWDS	Rearwards
RWK	Rework	RWY	Runway
RX	Receive	RZ	Return to Zero
S	Minimum Slat Retract Speed (EFIS)	S	South
S	Slats	S/C	Step Climb
S/D	Step Descent	S/H	Sample and Hold
S/MECH	Shortening Mechanism	S/N	Serial Number
S/R	Safety / Reliability	S/W	Software
S&OP	Sales & Operations Planning	SA	Stress Analysis
SA	Single Aisle	SaaS	Software as a Service
SAC	Single Annular Combustor	SACU	Stand Alone Compensator Unit
SACU	Semi-Automatic Control Unit	SAD	Stress Analysis Data
SAD	Spares Advance Data	SADF	Spares Advance Data Form
SAE	Society of Automotive Engineers	SAF	Safety
SAFD	Safetied	SAL	System Address Label
SALS	Short Approach Light System	SALSA	Spot Array Light Supply Adapter
SAM	Stress Analysis Manual	SAM	Space Allocation Model
SAM	Specific Architecture MockUp	SAN	Software Assurance Nominee
SAOHE	Surface Air/Oil Heat Exchanger	SAP	Systems, Applications, & Products for data processing
SAP BW	SAP Business information Warehouse	SAP ITS	SAP Internet Transaction Server
SAR	Smart Access Recorder	SAS	Static Strength Approval Sheet
SAS	Software Accomplishment Summary	SAT	Static Air Temperature
SATCOM	Satellite Communication	SAV	Starter Air Valve
SB	Service Bulletin	SBB	Swift Broadband
SBD	Single Blade Door	SBDB	Service Bulletin Data Base
SBEW	Standard Basic Empty Weight	SBI	Service Bulletin Index
SBIT	Service Bulletin Information Telex	SBL	Symbol
SBS	Service Bulletin Effectivity Schedule	SC	Single Chime
SC	Scale	SC	Source Code
SCAV	Scavenge	SCCS	Sub-Contract Control Sheet
SCE	Source	SCE	Showing Compliance Engineer
SCFM	Standard Cubic Feet Minute of Gaseous Airflow	SCG	System Configuration Guide
SCH	Schematic	SCI	Secure Communication Interface
SCI	Supply Chain Integrator	SCL	Software Configuration Library
SCL	Software Control Library	SCM	SDU Configuration Module
SCN	Specification Change Notice	SCO	Section Control
SCO	Section Controller	SCR	Screw
SCR	Specification Change Request	SCS	Supplemental Cooling System
SCS	Single Channel Simplex	SCS	Steering Control System
SCS	Supportability Candidate Sheet	SCS	Supplier Controlled Software
SCU	Supplemental Control Unit	SCU	System Control Unit
SCUP	Scupper	SD	System Display
SD	System Drain	SD&AHWG	Systems Design & Analysis Harmonisation Working Group
SDAC	System Data Acquisition Concentrator	SDAC	System Data Analog Converter
SDAI	STEP Data Access Interface	SDAU	Special Data Acquisition Unit
SDB	Signals Data Base	SDCU	Smoke Detection Control Unit
SDD	System Description Document	SDDF	Source Data Discrepancy Form
SDF	Smoke Detection Function	SDG	Spares Data Guide
SDGP	Source Data Gathering process	SDI	Source Data Identifier
SDI	Source/Destination Identifier	SDL	Simple Data Loader
SDM	Smart Diode Module	SDN	System Description Note
SDOF	Single Degree of Freedom	SDP	Steering Disconnect Panel
SDR	Sealed Data Route	SDS	Smoke Detection System
SDS	Software Definition Summary	SDTM	Structure Description Training Manual
SDU	Satellite Data Unit	SDU	Seat Display Unit
SDW	Specific Design Work	SE	Simplified English
SE	Section	SEAL	Sealing
SEB	Seat Electronic Box	SEB	Service Evaluation Bulletin
SEC	Secondary	SEC	SECondary Computer
SEC	Securities and Exchange Commission	SEC	Spoiler Elevator Computer
SECI	Software life cycle Environment Configuration Index	SECT	Section
SEG	Segment	SEL	Select
SEL	Selected	SEL	Selection
SEL	Selector	SELCAL	Selective Calling
SELV	Selector Valve	SENS	Sensitivity
SEP	Separator	SEP	Systems Evolution Plan
SEPDC	Secondary Electrical Power Distribution Center	SEQ	Sequence
SEQ	Sequential	SER	Serial
SER	Serial Number	SER/PRL	Serial to Parallel
SERNO	Serial Number	SES	Support Equipment Summary
SES	Supplier Equipment Specification	SES	Supportability Experience Sheet
SET	Setting	SF	Spot Face
SFAR	Special Federal Aviation Regulation	SFC	Specific Fuel Consumption
SFCC	Slat Flap Control Computer	SFCC	Sideways Facing Crew Cockpit
SFCC	Sideways Facing Crew Configuration	SFE	Seller Furnished Equipment
SFI	Synthetic Flight Instructor	SFPI	Slats/Flaps Position Indicator
SG	Stroke Generator	SG	Starter Generator
SGCU	Smart Galley Control Unit	SGCU	Starter Generator Control Unit
SGHTNG RD	Sighting Rods / Sighting Rod	SGML	Standard Generalized Markup Language
SGP	Stroke Generator Processor	SGR	Software Ground Repository
SGSC	Sheddable Ground Servicing Contactor	SGU	Symbol Generator Unit
SH	Sheet	SH ABS	Shock Absorber
SHADE	Schedules Airbus Data Exchange	SHDBL	Sheddable
SHED	Sheddable	SHED	Shedding
SHKR	Shaker	SHLD	Shield
SHLD	Shielding	SHM	Structural Health Monitoring
SHN	Scratch Hardness Number	SHPNG	Shipping
SHRD	Shroud	SHR PN	Shear Pin
SHT	Short	SI	Slip Indicator
SI	Systeme International	SI	Special Instruction
SIAP	Structural Inspection Adjustment Program	SIB	Security Information Base
SIB	Seat Interface Box	SIC	System Isolation Contactor
SIC	System Identity Card	SID	Standard Instrument Departure
SID	System Interface Definition	SIDP	System Installation Design Principles
SIE	Surface Industrielle Etendue	SIF	Selective Identification Feature
SIF	Spares Information File	SIG	Signal
SIH	Section Installed Harness	SIL	Speech Interference Level
SIL	Service Information Letter	SIL	Software Information Library
SIM	Simulation	SIN	Sine
SIP	System Integration Bench	SIR	Service Identification Request
SIRD	System Installation Requirement Dossier	SIRU	Secure Interface Router Unit
SIS	Standalone Identification System	SIS	Spares Investment Study
SIU	Server Interface Unit	SIV	Standard Item Variations
SJC	Standard Job Card	SKT	Socket
SL	Sea Level	SL	Service Letter
SLA	Small Light Adapter	SLA	Service Level Agreement
SLC	Starter Line Contactor	SLD	Slide
SLD	Sliding	SLI	System Level Integration
SLL	Shelf Life Limitation	SLM	Service Level Management
SLMC	Service Life Limits and Maintenance Checks	SLP	Space Limited Payload
SLR	Service Level Requirement	SLS	Side Lobe Suppression
SLS	Shop Loadable Software	SLS	Slide Lever Switch
SLT	Slat	SLV	Sleeve
SLV	Stipulated loss value	SM	Standards Manual
SM3	Standard Manual Part 3	SMA	Single Motor Actuator
SMART	Standard Modular Avionics Repair and Test	SMC	System Manager Controller
SME	Subject Matter Expert	SMEL	Seat-Mounted Emergency Light
SMIB	Security Management Information Base	SMK	Smoke
SML	SB Modification Crossreference List	SMM	System Management Module
SMO	Stabilized Master Oscillator	SMR	Sealed Manufacturing Route
SN	Serial Number	SNGL	Single
SNIF	Sensitivity for Normal Interface	SNMP	Simple Network Management Protocol
SNS	Standard Numbering System	SNSG	Sensing
SNSR	Sensor	SO	Shutoff
SO2	Sulphur Dioxide	SoC	Statement of Conformity
SOL	Solenoid	SOP	Standard Operating Procedure
SOR	Statement Of Requirements	SOS	Sell or Scrap
SOTM	System Operation Training Manual	SOV	Shut-Off Valve
SOW	Statement of Work	SP	Sampling
SP	Space	SPAD	Scratchpad
SPAN	Supplier and Partners Airbus Network	SPASE	Single Point Audio System Earth
SPATIAL	System for Acquisition and Processing of ARINC and Logic	SPB	Seat Power Box
SPC	Spare Parts Classification	SPC	Special Purpose Company
SPD	Speed	SPD	Single Product Definition
SPD/M	Speed-Mach	SPDB	Secondary Power Distribution Box
SPE	Seller Purchased Equipment	SPE	Supplier Purchased Equipment
SPEC	Specification	SPF	Specific Pathogen Free
SPF	SuperPlastic Forming	SPFK	Specific
SPKR	Speaker	SPL	Sound Pressure Level
SPLC	Splice	SPLR	Spoiler
SPLY	Supply	SPM	Signal Processing Module
SPM	Standard Practices Manual	SPMC	Service Process Material Control
SPMG	Shorted Permanent Magnet Generator	SPOP	Service Process Operation Procedure
SPP	Software Pin Programming	SPP-BA	SPP Broadcasting Application
SPPF	Software Pin Programming Function	SPPU	Station Position Pick-Off Unit
SPR	Service and Performance Report	SPR	Spar
SPRDR	Spreader	SPRINT	Systema de Production Integrado
SPRT	Support	SPS	Service Process Solution
SPS	Seat Power Supply	SPS/B	Superseded by
SPSA	Supplier Product Support Agreement	SPST	Single Pole Single Throw
SPU	Starter Power Unit	SQ	Squelch
SQIP	Supply Quality Improvement Programs	SQW	Square Wave
SR	Senior	SRD	Shorted Rotating Diode
SRD	System Requirement Document	SRE	Surveillance Radar Element of GCA
SRF	Servicing and aircraft condition parameters Reporting Function	SRI	aircraft Structural Repair Identification
SRKL	Structural Repair Kit List	SRKM	Structural Repair Kit Manual
SRM	Structural Repair Manual	SRM	Supplier Relationship Managers
SRP	Safety / Reliability Plan	SRPS	Safe Redundant Power Supply
SRPSU	Slide Release Power Supply Unit	SRPU	Safe Redundant Power Unit
SRS	Speed Reference System	SRU	Shop Replaceable Unit
SS	Sky/Shading	SSA	Side Slip Angle
SSA	System Safety Assessment	SSA	System Safety Analysis
SSALS	Simplified Short Approach Light System	SSALSR	Simplified Short Approach Light System Runway Alignment
SSB	Single Side Band	SSBFE	Seller Supplied Buyer Furnished Equipment
SSC	Single Stroke Chime	SSC	Supplier Support Conditions
SSCI	Structure, System and Cabin Installation (Manager)	SSCVR	Solid State Cockpit Voice Recorder
SSEC	Static Source Error Correction	SSFDR	Solid State Flight Data Recorder
SSG	Single Stroke Gong	SSI	Structural Significant Item
SSI	System and Structure Installation	SSID	Supplemental Structural Inspection Document
SSID	Service Set Identifier	SSIP	Supplemental Structure Inspection Program
SSM	Sign Status Matrix	SSM	Solid State Memory
SSM	Strategic Supplier Manager	SSMM	Solid State Mass Memory
SSO	Single Sign-On	SSP	Significant In-Service Problems
SSP	System Specification	SSP	System Signal Processor
SSPC	Solid State Power Controller	SSR	Secondary Surveillance Radar
SSSV	Solid State Stored Voice	SSTDU	Side Stick Transducer and Damper Unit
SSTU	Side Stick Transducer Unit	STA	Station
STA	Straight-in-Approach	STAB	Stabilizer
STAR	Standard Terminal Arrival Route	STARTG	Starting
STAT	Static	STBY	Standby
STC	Supplemental Type Certificate	STCS	STC holder Controlled Software
STD	Standard	STD	Standard Data Sheet
STDY	Steady	STELLA	STair Electrical Light Load Adapter
STEP	Standard for the Exchange of Product model data	STG	Stage
STGR	Stringer	STIF	Stiffener
STL	Steel	STL WARN	Stall Warning
STOM	System Operation Training Manual	STRG	Steering
STRK	Stroke	STRL	Structural
STRM	Secure open and Trip Resident Memory	STRM	Short Term Review Meeting
STRUCT	Structure	STS	Status
STS	Alignment Status	STS	Spares Technical Specification
STWG	Stowage	STWG	Short-Term Working Group
STYPPLE	Sensitive Typical Phone Power Level	SUBMUX	Submultiplexer
SUCNL ACTN	Successional Action	SUCT	Suction
SUM	Summing	SUPPL	Supplementary
SUPPR	Suppressor	SUPSD BY	Superseded by
SURF	Surface	SURV	Surveillance
SV	Servovalve	SVA	Stator Vane Actuator
SVCE	Service	SVMTR	Servomotor
SVO	Servo	SW	Switch
SWRD	System Wiring Requirement Dossier	SWRD-A	System Wiring Requirements Dossier maturity A
SWRD-B	System Wiring Requirements Dossier maturity B	SWRD-C	System Wiring Requirements Dossier maturity C
SWTG	Switching	SWY	Stopway
SyA	Systems Architect	SyCDR	System Critical Design Review
SyCID	System Configuration Index Document	SyCMP	System Configuration Management Plan
SyCP	System Certification Plan	SyCR	System Certification Review
SyD	System Designer	SyDAL	System Development Assurance Level
SyDAS	System Development Accomplishment Summary	SYM	Symmetry
SYNC	Synchro	SYNC	Synchronize
SYN REF	Synchro Reference	SYNTHR	Synthetizer
SYNTHR	Synthesizer	SYS	System
T	Trim	T	Turn
T	True	T	Thickness
T/C	Top of Climb	T/C	Type Certificate
T/D	Top of Descent	T/F	Track of a Fixed Waypoint
T/R	Thrust Reverser	T/TISS	Traffic and Terrain Integrated Surveillance System
T.O	TakeOff	T&T	Track & Trace
T2C	HP Compressor Inlet Temperature	T2CAS	Traffic and Terrain Collision Avoidance System
T54	Low Pressure Turbine Inlet Temperature	TA	Traffic Advisory
TA	Twin Aisle	TA	Technical Adaptation
TAB	Tabulation and Interpolation Program	TAB	Test and Bite Panel
TAC	Taxiing Aid Camera	TAC	Technical Acceptance Completion
TACAN	Tactical Air Navigation	TACH	Tachometer
TACKV	Trim Air Check Valve	TACS	Taxiing Aid Camera System
TACT	Tactical	TACT	Test Activity Control Team
TADB	Terrain/Airport DataBase	TADD	Trim Air Drive Device
TAKSY	Technisch Administratives Konstruktionssytem	TaMED	Tank Modelling on Every Desk
TAP	Transient Acoustic Propagation	TAPRV	Trim Air Pressure Regulating Valve
TAPS	Trim Air Pressure Sensor	TAR	Terminal Area Surveillance Radar
TAS	True Airspeed	TASOV	Trim Air Shut Off Valve
TAT	Total Air Temperature	TAV	Trim Air Valve
TAWS	Terrain Awareness and Warning System	TB	Terminal Block
TBC	To Be Confirmed	TBD	To be Determined
TBO	Time Between Overhauls	TBSV	Time Between Scheduled Visits
TBU	Time Base Unit	TBV	Transient Bleed Valve
TC	HP Turbine Case Pressure	TC	Theoretical Contour
TC	Thermocouple	TC	Takeoff Charts
TCA	Throttle Control Assy	TCAC	Total Cost At Completion
TCAC	Total Cost of Aircraft	TCAS	Traffic Alert and Collision Avoidance System
TCC	Thrust Control Computer	TCC	Turbine Case Cooling
TCC	Turbine Clearance Control	TCCS	Thrust Control Computer System
TCDS	Type Certificate Data Sheet	TCFN	Two's Complement Fractional Notation
TCI	Time Controlled Item	TCIU	Telephone Communication Interface Unit
TCM	Thrust Control Malfunction	TCM	Technical Coordination Meeting
TCP	Takeoff Charts Computation Program	TCP	Transmission Control Protocol
TCQ	Time, Cost and Quality	TCS	Temperature Control System
TCS	TC holder controlled Software	TCSB	Transformer Coupled Serial Bus
TCU	Throttle Control Unit	TCU	Transport Component Unit
TCV	Temperature Control Valve	TD	Technical Disposition
TD	Technical Dossier	TD	Time Delay
TDB	Terrain DataBase	TDC	Time Delay Closing
TDCA	Technical Data Control Assessment	TDCR	Type Design Change Request
TDD	Technical Design Directive	TDD	Technical Data Download
TDDO	Tooling Definition Dossier	TDF	Tool Definition Form
TDO	Time Delay Opening	TDP	Touchdown Point
TDS	Technical Data Sheet	TDSC	Technical Data Steering Committee
TDU	Technical Description Unit	TDU	Time Display Unit
TDY	Temporary Duty	TDZL	Touchdown Zone Lights
TE	HP Stage Air Temperature	TE	Trailing Edge
TEC	Turbine Exhaust Case	TED	Tool and Equipment Drawing
TEDB	Tool and Equipment Data Bank	TEFO	Total Engine Flame Out
TEI	Tool and Equipment Index	TEL	Telephone
TELECOM	Telecommunications	TEM	Tool and Equipment Manual
TEMP	Temperature	TEMP	Test and Evaluation Master Plan
TEO	Engine Oil Temperature	TER	Trailing Edge Rib
TER	Technical Event Report	TEST SIG	Test Signal
TF	Task Force	TF	Tuning File
TFR	Transfer	TFR	Trouble and Failure Report
TFTS	Terrestrial Flight Telephone System	TFU	Technical Follow-up
TGB	Transfer Gearbox	TGCU	Terminal GPRS / UMTS Client Unit
TGL	Touch-and-Go Landing	TGT	Target
THD	Thread	THD	Total Harmonic Distortion
THERAP	Therapeutic	THMS	Thermistor
THR	Thrust	THRM	Thermal
THRMST	Thermostat	THROT	Throttle
THROT PUSH	Throttle Pusher	THS	Trimmable Horizontal Stabilizer
TI	Technical Information	TI	Technical Instruction
TI	Track to an Interrupt	TIA	Type Inspection Authorization
TIC	Turbine Impingement Cooling	TICC	Technical Information and Communication Committee
TID	Technical Impact Difference	TID	Technical Information Document
TIFF	Tagged Information File Format	TIR	Technical Incident Report
TIR	Type Inspection Report	TIT	Turbine Inlet Temperature
TIU	Terminal Interface Unit	TIV	Temperature Isolation Valve
TK	Tank	TK	Ground Track Angle
TKE	Track Angle Error	TKE	Track Error
TL	Tooling List	TL	Transmittal Letter
TLA	Throttle Lever Angle	TLAR	Top Level Aircraft Requirement
TLB	Technical Log Book	TLC	Takeoff and Landing Chart Computation Program
TLC	TR Line Contactor	TLCS	Trolley Lift & Conveyance System
TLMC	Time Limits and Maintenance Checks	TLS	Transcowl Locking System
TLS	Trolley Lift System	TLSRD	Top Level System Requirement Document
TLU	Travel Limitation Unit	TLV	Tertiary Lock Valve
TM	Torque Motor	TM	Transportability Manual
TM	Terminal Module	TMA	Terminal Control Area
TMA	Twin Motor Actuator	TMC	Target Must Cost
TMG	Timing	TMLB	Technical and Maintenance LogBook
TMR	Timer	TMS	Transport Management System
TN	Technical Note	TNSN	Tension / Tensioned / Tensioning/ To Tension
To	Mean Flight Time	TO	Takeoff
TO	Transfer Order	TO/APPR	Takeoff/Approach
TOC	Table of Contents	TOD	Takeoff Distance
TOGA	Takeoff/Go Around	TOGW	Takeoff Gross Weight
TOIL	Toilet	TOL	Tolerance
ToO	Time of Occurence	TOPA	TakeOff Performance Application
TOR	Takeoff Run	TOS	TakeOff Securing
TOT	Total	TOT	Transfer of Title
TOW	Takeoff Weight	TOW	Towing
TP	Test Point	TP	Top Plug
T-P	Turn Point	TPA	Technical Publications Agreement
TPCI	Technical Publications Combined Index	TPG	Technical Publications Guide
TPGG	Technical Publications General Guide	TPIB	Technical Publications Illustration Bank
TPIC	Tire Pressure Indicating Computer	TPIS	Tire Pressure Indicating System
TPMM	Technical Publications Management Meeting	TPOP	Technical Publications Output Planning
TPPP	Technical Publications Production Planning	TPR	Turbofan Power Ratio
TPRD	Technical Publications Reference Document	TPS	Temporary Protection System
TPSL	Top Product Structure Layout	TPSP	Third Party Software Provider
TPU	Terminal Processor Unit	TPWD	Technical Publications Work Sharing Document
TQWP	Total Quality of Work Packages	TR	Temporary Revision
TR	Thrust Reverser	TR	Transformer Rectifier
TR	Transistor	TR	Regulated Temperature (Downstream of precooler)
TR	Temporary Revision	TR	Truss
TR	Turn Radius	T-R	Transmitter-Receiver
TRA	Throttle Resolver Angle	TRA	Test Report Analysis
TRACON	Terminal Radar Control	TRANS	Transition
TRANSF	Transfer	TRANSLG	Translating
TRC	Thrust Rating Computer	TRDV	Thrust Reverser Directional Valve
TRF	Turbine Rear Frame	TRGT	Target
TRI	Type Rating Instructor	TRIG	Trigger
TRK	Track	TRLY	Trolley
TROPO	Tropopause	TRP	Thrust Rating Panel
TRPU	Thrust Reverser Power Unit	TRPV	Thrust Reverser Pressurizing Valve
TRQE	Torque	TRQR	Torquer
TRS	Technical Repercussion Sheet	TRT	Turn Round Time
TRTO	Type Rating Training Organisation	TRU	Transformer Rectifier Unit
TRU	True	TRV	Travel
TS	Trim Sheet	TSA	Throttle Sensor Angle
TSD	Trouble Shooting Data	TSDB	Trouble Shooting Data Base
TSDF	Task Structured Data File	TSE	Trouble Shooting Extract
TSF	Trouble Shooting Function	TSFC	Thrust Specific Fuel Consumption
TSH	Trouble Shooting Handbook	TSI	Time Since Installation
TSLSV	Time Since Last Shop Visit	TSM	Trouble Shooting Manual
TSO	Technical Service Order (FAA)	TSO	Technical Standard Order
TSO	Time Since Overhaul	TSP	Tank Signalling Processor
TSPA	Tank Signal Processor A	TSPB	Tank Signal Processor B
TST	Test	TSU	Torque Sensor Unit
TT	Trim Tank	TT	Switching Temperature of HP Valve
TT	Total Time	TTG	Time to Go
TTGA	Time To Get an Answer	TTGF	Time To Get a Fix
TTL	Transistor Transistor Logic	TTL	Task Team Leader
TTOL	Taxi, Takeoff and Landing	TTP	Time Triggered Protocol bus
TTR	Technical Trouble Report	TTS	Trim Tank System
TU	Tapping Unit	TURB	Turbine
TURB	Turbulence	TURB	Turbulent
TV	Television	TVBC	Turbine Vane and Blade Cooling
TVC	Turbine Vane Cooling	TVOR	Short Range VOR
TVOR	Very High Frequency Terminal Omnirange Station	TW	Twisted
TWDC	Tank Wall Data Concentrator	TWE	TAKSY Web Engine
TWLU	Terminal Wireless LAN Unit	TWR	Tower
TWY	Taxiway	TX	Transmission (TCAS to Transponder)
TX	Transmit	TXW	Taxi Weight
TYP	Typical	TYPPLE	Typical Phone Power Level
Ú	Pitch Attitude	U/FLOOR	Underfloor
U/S	Unserviceable	UAC	Upper Area Control Centre
UADF	User Application Definition File	UART	Universal Asynchronous Receiver Transmitter
UCS	User Certifiable Software	UD	Upper Deck
UD	Document Unit ("Unité Documentaire")	UD	Uni-Directional Tape
UDC	Upper Deck Cargo	UDCC	Upper Deck Cargo Compartment
UDCD	Upper Deck Cargo Door	UDL	Unit Detail Listing
UDP	User Datagram Protocol	UEB	Underseat Electronic Box
UERF	Uncontained Engine Rotor Failure	UF	Underfrequency
UHF	Ultra High Frequency	UICDL	User Interface Configuration Download List
ULA	Universal Light Adapter	ULB	Underwater Locator Beacon
ULD	Unit Load Device	ULLI	Understep LED Light
ULM	Ultra Low Maintenance	UMS	User Modifiable Software
UMTS	Universal Mobile Telecommunications System	UNBAL	Unbalance
UNBAL	Unbalanced	UNCPLG	Uncoupling
UNCRCTD	Uncorrected	UND	Under
UNDERPRESS	Underpressure	UNFCCC	United Nation Framework Convention on Climate Change
UNIV	Universal	UNLK	Unlock
UNLKD	Unlocked	UNSD	Unused
UPLK	Uplock	UPLKD	Uplocked
UPPR	Upper	UPR	Upper
UR	Utilization Rate	US	Under Speed
US	United States	US	Upstream
USB	Universal Serial Bus	USB	Upper Sideband
UTA	Upper Control Area	UTC	Universal Time Coordinated
UUT	Unit Under Test	UV	Ultra-Violet
UV	Under Voltage	UVEROM	Ultra Violet Erasable Read Only Memory
UWBS	Universal Wireless Backbone System	UWF	Under Wing Fitting
UWY	Upper Airway	V	Valve
V	Violet	V/L	VOR/LOC
V/L	VOR/Localizer	V/S	Vertical Speed
V&V	Verification & Validation	VAC	Voltage Alternating Current
VACBI	Video and Computer-Based Instruction	VACU	Vacuum
VALDN	Validation	VAP	Visual Approach Procedure
VAR	Variable	VAR	Variation
VAR	Visual-Aural Radio Range	VAR LEV HTY	Variable Lever Healthy
VASIS	Visual Approach Slope Indicator System	VBV	Variable Bleed Valve
VC	Ventilation Controller	VCC	Video Control Center
VCI	Video Control Insert	VCM	Video Camera Module
VCO	Voltage Controlled Oscillator	VCP	Video Control Panel
VCRU	Vapor Cycle Refrigeration Unit	VCS	Ventilation Control System
VCTREND	Airspeed Tendency	VCU	Video Control Unit
VD	Design Diving Speed	VD	Heading to a DME Distance
VDAR	Virtual DAR	VDC	Voltage Direct Current
VDEV	Vertical Deviation	VDF	Very High Frequency Direction Finding Station
VDOS	Vendor Documentation On-line Service	VDR	VHF Data Radio
VDU	Video Display Unit	VEADB	Video on demand Enhanced Area Distribution Box
VEL	Velocity	VENT	Ventilation
VERT	Vertical	VERT REV	Vertical Revise
VFG	Variable Frequency Generator	VFR	Visual Flight Rules
VFTO	Final Takeoff Speed	VG	Vertical Gyro
VGM	Versatile Graphical Module	VHCU	Versatile Heating Control Unit
VHDU	Versatile Heating Data Unit	VHF	Very High Frequency
VHV	Very High Voltage	VIB	Vibration
VIM	Vendor Information Manual	VIMU	Video Multiplexer Unit
VIP	Virtual Integration Platform	VL	Virtual Link
VLF	Very Low Frequency	VLLDC	Very Low Level DC Voltage
VLSI	Very Large Scale Integrated	VLV	Valve
VM	Voltmeter	VMC	Visual Meteorological Conditions
VMI	Vendor Managed Inventory	VMU	Video Modulator Unit
VOCs	Volatile Organic Compounds	VOD	Video On Demand
VODDSU	VOD Data Server Unit	VODMU	VOD Modulator Unit
VODSU	VOD Server Unit	VOL	Volume
VOR	VHF Omnidirectional Range	VOT	Voter
VOZC	Volatile Organic Compound and Ozone Converter	VPN	Virtual Private Network
VPSA	Vendor Product Support Agreement	VQAR	Virtual QAR
VR	Rotation Speed	VR	Voltage Regulator
VRU	Video Reproducer Unit	VSB	Vendor Service Bulletin
VSBN	Vendor Service Bulletin Number	VSBT	Vendor Service Bulletin Title
VSC	Vacuum System Controller	VSCF	Variable Speed Constant Frequency
VSCU	Video System Control Unit	VSD	Vertical Situation Display
VSEB	Video Seat Electronic Box	VSI	Vertical Speed Indicator
VS-NfD	Verschlusssache - Nur für den Dienstgebrauch (German equivalent to NATO restricted).	VSV	Variable Stator Vane
VSVA	Variable Stator Vane Actuator	VSWR	Voltage Standing Wave Ratio
VT	Vertical Tail	VTP	Vertical Tail Plane
VTR	Video Tape Reproducer	VTS	Vacuum Toilet System
VV	Velocity Vector	VWM	Vendor Warranty Manual
W	West	W	White
W	Weight	W	Wire
W/O	Work Order	W/V	Wind Direction and Speed
W3C	World Wide Web Consortium	WA	Wind Angle
WABSIC	Wheel And Brake System Integrated Component	WACC	Weighted Average Cost of Capital
WACS	Wireless Airport Communication System	WAI	Wing Anti-Ice
WAP	Wireless Access Point	WARN	Warning
WASG	World Airlines and Suppliers Guide	WATOG	World Airlines Technical Operations Glossary
WB	Wide Body	WBA	Weight and Balance Application
WBBC	Weight and Balance Backup Computation	WBC	Weight & Balance Computer
WBM	Weight and Balance Manual	WBS	Weight and Balance System
WBS	Work Breakdown Structure	WC	Wording Change
WCR	Weight and Balance Compliance Report	WD	Warning Display
WD	Wing Datum	WD	Wiring Diagram
WDB	Wall Disconnect Box	WDI	Wind Direction Indicator
WDM	Wiring Diagram Manual	WDO	Window
WEL	Wall Emergency Light	WFOV	Wide Field of View
WG	Wing	WG	Wave Guide
WG	Working Group	WGD	Windshield Guidance Display
WGDC	Windshield Guidance Display Computer	WGDS	Windshield Guidance Display System
WGL	Wireless Ground Link	WHC	Window Heat Computer
WHL	Wheel	WINDML	Windmilling
WIP	Wing Ice Protection	WIPCU	Water Ice Protection Control Unit
WIPDU	Water Ice Protection Data Unit	WIPS	Wing Ice Protection System
WIRC	Warning - Inhibition - Recall - Clear	WLAN	Wireless Local Area Network
WLC	Wing Lower Cover	WLDP	Warning Light Display Panel
WLG	Wing Landing Gear	WLM	Wireless LAN Manager
WLP	Weight Limited Payload	WLU	Wireless LAN Unit
WM	Wattmeter	WM	Wiring Manual
WMEL	Wall Mounted Emergency Light	WMS	Warehouse Management System
WO	Wash-out	WO	Work Order
WoffW	Weight off Wheels	WOJ	Weight on Jacks
WOR	Wear Out Rate	WOW	Weight On Wheels
WP	Work Package	WPS	Workpackage Specification
WPT	Waypoint	WPV	Water Pulse Valve
WR	Weather Radar	WR	Weighing Report
WRDC	Wheel Remote Data Concentrator	WRG	Wiring
WRK	Work	WRK	Working
WS	Wind Speed	WS	Wireless System
WSC	Window Shade Controller	WSCP	Warning and System Control Panel
WSCS	Wheel Steering Control System	WSDP	Warning and System Display
WSHLD	Windshield	WSR	Weekly Service Report
WSSG	Warning System Symbol Generator	WT	Weight
WTB	Wing tip brake	WTR	Water
WUC	Work Unit Cost	WUC	Wing Upper Cover
WX	Weather Mode (ND)	WXR	Weather Radar
X	Cross	X	Trans
XARM	Cross Arm	XBAR	Crossbar
X BLEED	Crossbleed	XCHECK	Crosscheck
XCVR	Transceiver	XDCR	Transducer
X FEED	Crossfeed	XFMR	Transformer
XFR	Transfer	XING	Crossing
X LINE	Crossline	XLOAD	Crossload
XLTR	Translator	XML	Extensible Mark-up Language
XMSN	Transmission	XMTR	Transmitter
XPDR	Transponder	XPNDR	Transponder
XREF	Crossreference	XSEC	Extra Section
XT	Reception (Transponder to TCAS)	XTAL	Crystal
X-TALK	Cross-talk	XTK	Cross Track Deviation
XTK	Cross Track Distance	XTK	Cross Track Error
X VALVE	Cross Valve	XWIND	Crosswind
Y	Yellow	Y/C	Economy Class
YC	Tourist Class	YCF	Economy Class-Front
YCL	Economy Class Front	YCR	Economy Class-Rear
YE	Year	YES	Yankee Escape System
YTPPP	Yearly Technical Publications Processing Planning	Z	Greenwich Mean Time
Z	Zone	ZAPDI	Zonal Access Panel and Door Identification
ZC	Zone Controller	ZFCG	Zero Fuel Center of Gravity
ZFW	Zero Fuel Weight	ZSA	Zonal Safety Analysis

Airbus Abbreviation List

That's a Wrap!There are more than 5100 items in this list. Go to A

That's a Wrap!
There are more than 5100 items in this list.

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