Abbreviation Term 3D Three Dimensional (Lat, Long, Alt) 4D Four Dimensional (Lat, Long, Alt, Time) A Ampere A Alternate A Amber A Area A Air A.ICE Anti-ice, Anti-icing A.T.I.S Airbus Technical Information System A/BRK Autobrake Aircraft A/C A/COLL Anti-Collision Analog/Digital A/D Analog to Digital Converter (conversion) 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 Auto Stabilization A/S Airspeed A/SKID Anti-Skid A/STAB Auto Stabilizer A/T Adjustment/Test A/THR A/XFMR Autothrust Autotransformer AA Arithmetical Average AA Airworthiness Authorities AAA Airworthiness Approval Attestation AAAH Airbus Approved Abbreviations Handbook AAC Airline Administrative Communications Analog Air Data Computer AADC Analog Air Data Computer AAL Above Aerodrome Level AAMG Airbus Application Management Group AAP Additional Attendant Panel AAR Air-to-Air Refueling 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 ABM Abeam ABM APU Build-up Manual ABN Abnormal ABNORM Abnormal ABRN Airborne
Transcript
Abbreviation Term3D Three Dimensional (Lat, Long, Alt) 4D Four Dimensional (Lat, Long, Alt, Time)
A Ampere
A AlternateA AmberA AreaA AirA.ICE Anti-ice, Anti-icingA.T.I.S Airbus Technical Information SystemA/BRK Autobrake AircraftA/C A/COLL Anti-Collision Analog/DigitalA/D Analog to Digital Converter (conversion)A/DC Analog-to-Digital ConverterA/F Auto FlightA/G Air to Ground A/L AirlineA/N AlphanumericA/N SIZE Alpha Numeric SizeA/R Audio ReproducerA/S Auto StabilizationA/S AirspeedA/SKID Anti-SkidA/STAB Auto StabilizerA/T Adjustment/TestA/THR A/XFMR Autothrust AutotransformerAA Arithmetical AverageAA Airworthiness AuthoritiesAAA Airworthiness Approval AttestationAAAH Airbus Approved Abbreviations Handbook
AAC Airline Administrative Communications Analog Air Data Computer
AADC Analog Air Data ComputerAAL Above Aerodrome LevelAAMG Airbus Application Management GroupAAP Additional Attendant Panel
AAR Air-to-Air Refueling Abbreviation
ABCD Airbus Collective Data DictionaryABCM Alternate Brake Control ManifoldABCU Alternate Braking Control UnitABD Airbus Directive and Procedure ABDC Avionics Broadcast Data CollectorABM AbeamABM APU Build-up ManualABN AbnormalABNORM AbnormalABRN Airborne
ABS Autobrake SystemABS VAL Absolute ValueABSELV Alternate Brake Selector ValveABSORB AbsorberABV AboveAC Airplane Characteristics for Airport PlanningAC Alternating CurrentAC Advisory CircularACARS Aircraft Communication Addressing and Reporting SystemACAS Airborne Collision Avoidance SystemACC Area Control CentreACC Active Clearance ControlACCEL Acceleration/AccelerateACCESS AccessoryACCLRM AccelerometerACCU AccumulatorACCUR AccuracyACD Airworthiness Certification DossierACD Airframe Certification DocumentACD Additional Control DeviceACDB Aircraft Component Data BaseACE Altimeter Control EquipmentACE Airbus Concurrent EngineeringACFT AircraftACFU Aircraft Check Follow UpACG Aircraft Center of GravityACGS Aircraft GSM ServerACIA Asynchronous Communications Interface AdaptorACJ Advisory Circular-JointACK AcknowledgeACL Aircraft Configuration ListACM Aircraft Conversion ManualACM Abbreviated Component Maintenance ManualACM Aircraft Configuration MatrixACM Air Cycle MachineACMB Aircraft Configuration Management BoardACMM Abbreviated Component Maintenance ManualACMM Aircraft Configuration Meta ModelACMP Airframe Condition Monitoring ProcedureACMR Aircraft Configuration Management RulesACMS Aircraft Condition Monitoring SystemACMT Aircraft Component Management TeamACN Aircraft Classification NumberACO Airworthiness Certification OfficeACOB Automatic Call Out BoxACOC Air Cooled Oil CoolerACP Altimeter Check Point
ACP Area Call PanelACP Audio Control PanelACQ AcquireACQN AcquisitionACR Avionics Communication RouterACRT Additional Cross Reference TableACS AccessACS Alternating Current SupplyACSC Air Conditioning System ControllerACT Additional Center Tank
ACT Active
ACT ActivityACTD ActuatedACTG ActuatingACTIV ActiveACTN ActionACTR ActuatorACTVN ActivationACTVT ActivateACU Antenna Coupler UnitACU Air Cooling UnitACVR Alternating Current Voltage RatioAD AerodromeAD Airplane DatumAD Airworthiness DirectiveA-D Airbus DeutschlandADAM Airbus Spares Distribution and Materials SystemADAU Auxiliary Data Acquisition UnitADB Area Distribution BoxADB Airport DataBaseADB Aeronautical DataBaseADC Air Data ComputerADC Airbus Delivery CentreADCL Airworthiness Directives Compliance ListADCN Avionics Data Communication NetworkADCOMS Advanced Configuration Management System
ADCSIP Acceptance and Delivery Customer Satisfaction Improvement Programme
ADD Addition, AdditionalADD Aircraft Description Data BaseADD Aircraft Design DeclarationADD BY Added ByADF Automatic Direction FinderADG Air Driven GeneratorADI Attitude Director IndicatorADIRS Air Data/Inertial Reference System
ADIRU Air Data/Inertial Reference UnitADJ AdjustADJMT AdjustmentADL Airborne Data LoaderADL Aircraft Data LoaderADM Air Data ModuleADMZ Aircraft DeMilitarized ZoneADO Airbus Documentation OfficeADOPT Airbus Design and Operational Philosophy in TrainingADPM Aircraft Deactivation Procedures ManualADPTN AdaptationADPTR AdapterADR Advisory RouteADR Air Data ReferenceADRES Aircraft Documentation Retrieval SystemADRS AddressADS Automatic Dependent SurveillanceADS Air Data SystemADU Align Display UnitADU Area Distribution UnitADV AdvisoryA-E Airbus EspanaAEB Airline Engineering BulletinAECMA The European Association of Aerospace IndustriesAEDS Axle Equipment Drive ShaftAEEC Airlines Electronic Engineering CommitteeAERO Aviation Routine Weather ReportAES Aircraft Earth StationAESS Aircraft Environment Surveillance SystemAESU Aircraft Environment Surveillance UnitAEVC Avionics Equipment Ventilation ComputerAEX Access AuthorizedAF DME Arc to Fixed WaypointAF All FreighterAF Audio FrequencyAF Acceptance FlightA-F Airbus FranceAFB Antifriction BearingAFC Automatic Frequency ControlAFCS Automatic Flight Control SystemAFDX Avionics Full Duplex Switched EthernetAFECU Automatic Fire Extinguishing Control UnitAFFECTD AffectedAFFIRM AffirmativeAFIS Airline In Flight Information SystemAFL Auto FlushAFM Aircraft Flight Manual
AFMC Auxiliary Fuel Management ComputerAFMR AirframerAFN ATS Facilities NotificationAFR AirframeAFS Automatic Flight SystemAFTN Aeronautical Fixed Telecommunication NetworkAFTR AfterAFU Artificial Feel UnitAGB Accessory GearboxAGB Angle GearboxAGC Automatic Gain ControlAGC APU Generator ContactorAGE Aircraft Ground EquipmentAGG Airbus General GuideAGL Above Ground LevelAGMT AugmentAGP Alternate Gauging ProcessorAGS Air Generation SystemAGU Air Generation UnitAGW Actual Gross WeightAH Ampere HourAHP Anti-Hijacking PanelAHRS Attitude and Heading Reference SystemAHRU Attitude and Heading Reference UnitAI Anti-IcingAIB Airbus IndustrieAIBU Advanced Illumination Ballast UnitAIC Access Illustration CardsAIC Airbus Integrated CompanyAICC Aviation Industry CBT CommitteeAICU Anti Ice Control UnitAID Aircraft Installation DelayAIDA Airbus Industrie Drawing AccessAIDA Attestation Integrated Delta AggregationAIDS Aircraft Integrated Data SystemAIG Accident InvestigationAIL AileronAIM Aircraft Integrated MaintenanceAIM/CRM Airbus Integrated Management/Cockpit Resource ManagementAIM-FANS Airbus Interoperable Modular-Future Air Navigation SysAIMI Avionics Information Management InterfaceAIMS Airbus Industrie Material SpecificationAIMS Airbus Inventory Management SystemAIMS Airbus Improvement Management SystemAINA Airbus North AmericaAINS Aircraft Information Network SystemAIP Attendant Indication Panel
AIP Aeronautical Information PublicationAIPS Airbus Process SpecificationAIQI Airbus Industrie Quality InstructionAIR Aircraft Inspection ReportAIRCOND Air ConditioningAIRMAN Aircraft Maintenance AnalysisAIS Audio Integrated SystemAIS Aeronautical Information ServiceAISI American Iron and Steel InstituteAITM Airbus Test MethodAL AirlineALERFA Alert PhaseALF Aft Looking ForwardALHP Airframe Life-History ProgramALIGN AlignmentALIGND AlignedALLWD AllowedALNA Airline Network ArchitectureALPHA Angle-of-AttackALPHANUM AlphanumericalALS Approach Light SystemALSCU Auxiliary Level Sensing Control UnitALT AltitudeALT ACQ Altitude AcquireALT TO Alternate ToALTM AltimeterALTN Alternate, AlternativeALTU Annunciator Light Test UnitALU Arithmetic and Logic UnitAM Amplitude ModulationAM Airbus Means and Methods DocumentAMB AmbientAMC Acceptable Means of ComplianceAMDB Airport Mapping DataBaseAMI Airline Modifiable InformationAMJ Advisory Material-JointAMM Aircraft Maintenance ManualAMM AmmeterAMP AmpereAMP AmperageAMPL AmplifierAMS Aircraft Modification StatusAMS Aerospace Material SpecificationAMS Aeronautical Material SpecificationsAMS Air-ground Message ServerAMTOSS Aircraft Maintenance Task Oriented Support SystemAMU Audio Management Unit
AN Air NavigationANCE AnnounceAND Aircraft Nose DownANI Analog InputANLG AnalogicANN AnnunciatorANN LT Annunciator LightANNCE AnnounceANNCMT AnnouncementANO Analog OutputANPT Aeronautical National Taper Pipe ThreadsANSA At Nearest Suitable AirportANSI American National Standards InstituteANSU Aircraft Network Server UnitANT AntennaANU Aircraft Nose UpAO Access OpeningAOA Angle Of AttackAOAS Angle of Attack SensorAOC Airline Operational ControlAOC Air Operator's CertificateAOD Audio on DemandAOG Aircraft On GroundAOHX Air/Oil Heat ExchangerAOLS Airbus On-Line ServicesAOM Aircraft Operating ManualAOMT Airbus Onboard Maintenance ToolAOP Airbus Operational PlanAOT All Operator TelexAP Airbus ProcedureAP AutopilotAP Airborne PrinterAP/FD Autopilot/Flight DirectorAPASHE Aircraft Publication Automated Shipping ExpediteAPC Area Positive ControlAPI Application Programming InterfaceAPLC Aircraft Power Line ConditionerAPM ARINC Processing ModuleAPM Airport Planning ManualAPM Aircraft Performance Monitoring ProgramAPP Approach Control-Approach Control OfficeAPP AppearanceAPPL ApplicationAPPR ApproachAPPROX ApproximatelyAPPU Asymmetry Position Pick Off UnitAPQ Airline Pre-Qualification
APS Aircraft Prepared for ServiceAPS Auxiliary Power SupplyAPS Avionic Printing SpecificationAPS Absolute Pressure SensorAPU Auxiliary Power UnitAPU AFE APU Automatic Fire Extinguishing Control UnitAQP Advanced Qualification ProgramAR As RequiredAR Audio ReproducerARC Air Refueling ComputerARG Arresting Gear or HookARINC Aeronautical Radio IncorporatedARM Airworthiness Review MeetingARM Aircraft Recovery ManualARMD ArmedARMG ArmingARMT ArmamentARN Aircraft Registration NumberARND AroundARO After Receipt OrderARP Aerospace Recommended PracticeARP Aerodrome Reference Point - Airport Reference PointARPT AirportARR Arrival, ArrivingARS Airworthiness Review SheetART Active Repair TimeARTCC Air Route Traffic Control CentreARTCLD ArticulatedARTF ArtificialARU Audio Reproducer UnitARU Aircraft Router UnitARV Alternate Refill ValveAS AirspeedAS AirscoopASA All Speed AileronASA Audio and Sign AdapterASAP As soon as possibleASCII American Standard Code for Information InterchangeASCO Airbus Service Company Inc.ASD Accelerate Stop DistanceASDC Airline Service Data CollectionASE Airborne Support EquipmentASE Airbus Supplied EquipmentASF Amperes per Square FootASG Airbus Security GroupASI Airspeed IndicatorASIC Application Specific Integrated Circuits
ASM American Society for MetalsASM Aircraft Schematics ManualASMA Aircraft Systems Maintenance AidsASN Aerospatiale Norme (Standard)ASP Audio Selector PanelASPSU Autonomous Standby Power Supply UnitASR Airport Surveillance RadarASSY AssemblyASYM Asymmetric(al)AT AutothrottleAT AutothrustATA Air Transport Association of AmericaATA Actual Time of ArrivalATAM Airbus Takeoff Analysis ModuleATB ATA 100 BreakdownATC Air Traffic ControlATC Airbus Training CenterATCA Air Traffic Control BoardATCDB Aircraft Technical Characteristics Data BaseATCH Attach(ment)ATCI Air Traffic Control and InformationATCK AttackATCRB Air Traffic Control Radar BeaconATCSS Air Traffic Control Data Link Signalling
SystemATD Aircraft Technical DefinitionATD Actual Time of DepartureATE Automatic Test EquipmentATEC Automatic Test Equipment ComplexATI Air Transport IndicatorATIMS Air Traffic and Information Management SystemATIS Automatic Terminal Information ServiceATLAS Abbreviated Test Language for Avionics SystemsATLAS Abbreviated Test Language for All SystemsATM Aircraft Transportability ManualATM Air Traffic ManagementATM Available Ton-MileATMG Airbus Technical Management GroupATMS Advanced Text Management SystemATN Aeronautical Telecommunications NetworkATO Authorization to OfferATR Austin Trumbull RadioATRCCS Automatic Turbine Rotor Clearance Control SystemATS Air Traffic ServiceATS Airbus Technical SpecificationATS Autothrottle SystemATS Autothrust System
ATSU Air Traffic Service UnitATT AttitudeATT Attitude ReferenceATTEN AttenuationATTND AttendantATZ Aerodrome Traffic ZoneAUD AudioAUDSWTGSYS Audio Switching System
AUDSWTGUNIT Audio Switching Unit
A-UK Airbus UKAUTH AuthorizeAUTO AutomaticAUTOCAL AutocalibrationAUTOLAND Automatic LandingAUW All-Up WeightAUX AuxiliaryAVAIL AvailableAVAIL AvailabilityAVG AverageAVIONICS Aviation ElectronicsAVNCS AvionicsAVOD Audio/Video on DemandAVRS Audio/Video Recording SystemAVS Avionics Ventilation SystemAWACS Advanced Warning (on) Aircraft Commercial SalesAWG American Wire GageAWL Aircraft Wiring ListAWLS All Weather Landing SystemAWM Aircraft Wiring ManualAWS American Welding SocietyAWY AirwayAX Access AuthorizedAX Longitudinal AccelerationAY Lateral AccelerationAZ Vertical AccelerationAZ AzimuthAZFW Actual Zero Fuel WeightB BlueB/B Back-BeamB/C Business ClassB/D Bottom of DescentBAABI Basic Approved ATA Breakdown IndexBAF BaffleBAF BITE Access FunctionBAFO Best and Final OfferBAG Bandwidth Allocation Gap
BAL Basic Assembly Languagebar 10² kPaBARC Barometric Altitude Rate ComputerBARO BarometricBAT Battery (Electrical)BBAND BroadbandBBRG Ball BearingBC Baggage Container TrainBCD Binary Coded DecimalBCDS BITE Centralized Data SystemBCF Brake Cooling FanBCL Battery Charge LimiterBCM Backup Control ModuleBCN BeaconBCRC Bulk Crew Rest CompartmentBCRU Battery Charge and Rectifier UnitBCS Brake Control SystemBCU Brake Control UnitBCWP Budgeted Cost of Work PerformedBCWS Budgeted Cost of Work ScheduledBDD BITE Description DocumentBDIE Base de Données Installation ElectriqueBDLI Bundesverband der Deutschen Luft-und Raumfahrt IndustrieBEA Bureau d'Enquête AccidentBEL CRK BellcrankBER Beyond Economical RepairBETW BetweenBEV BevelBEW Basic Empty WeightBFD Bi-Folding DoorBFDAS Basic Flight Data Acquisition SystemBFE Buyer Furnished EquipmentBFEMS BFE Management SystemBFO Beat Frequency OscillatorBFR BufferBG Build Group (Assembly Group)BGC Build Group ComponentBGM Boarding MusicBGS Build Group Stack-UpBH Block HoursBHD BulkheadBIST Built-in Self TestBITE Built-in Test EquipmentBIU BITE Interface UnitBK BlackBKFLW BackflowBKUP Backup
BOT Begin of TapeBP Bottom PlugBPTU Brake Pedal Transmitter UnitBR BrownBRC BraceBRD BraidBRDG BridgeBRG BRK BrakeBRKNG Braking BRKR BreakerBRKS BrakesBRKT Bracket BRT Bright, Brightness BSCS Braking and Steering Control System BSCU Braking and Steering Control Unit BushingBSU Beam Steering UnitBT Bus TieBTA Bogie Trim ActuatorBTC Bus Tie Contactor BTCM Brake Temperature Compensation Module
BTL BottleBTMS Brake Temperature Monitoring SystemBTMU Brake Temperature Monitoring Unit BTN ButtonBTR Bus Tie RelayBTS Base Transceiver StationBTS Brake Temperature SensorBTU British Thermal UnitBU Battery UnitBUS BusbarBWS Body Wheel SteeringBYDU Back-Up Yaw Damper UnitBYP BypassC Celsius, CentigradeC CyanC CloseC Clearc Equal MarginC Cold (Electric Point)C ComparatorC ConvertibleC of A Certificate of AirworthinessC/B Circuit BreakerC/L Check ListC/M Command/MonitorC/M Crew MemberC/O Change OverC/S Call SignC/SSR Cost/Schedule Status ReportCA Constituent AssemblyCA Cable AssemblyCA CableCA/CRL Certification Authority/Certificate Revocation ListCAA Civil Aviation AuthorityCAA Central Aviation ArchiveCAATS Computer Assisted Aircraft Trouble ShootingCAB CabinCAB PRESS Cabin PressurizationCAD Computer Aided DesignCADB Component for Attestation Data BaseCADETS Computer Assisted Documentation Education Tutorial SystemCAG Circulation Aérienne GénéraleCAGE Commercial And Government EntityCAI Combustion Area InspectionCAL Calibration, CalibratedCALC Cargo Acceptance and Load ControlCAM Computer Aided Manufacturing
CAM Cabin Assignment ModuleCAM Customer Acceptance ManualCAN CanopyCAN Controller Area NetworkCANC CancelCANC CancellationCANCD CancelledCANTIL CantileverCAO Cargo Aircraft OnlyCAOA Corrected Angle Of AttackCAOM Cabin Attendant Operating ManualCAP CapacitorCAPLTY CapabilityCAPT CaptainCAR Civil Aviation RequirementsCAR CargoCARE Continuing Airframe - Health Review and EvaluationCARE Common Airbus Requirements EngineeringCARP CarpetCAS Computed Air SpeedCAS Collision Avoidance SystemCAS Calibrated Air SpeedCAS Calculated Air SpeedCAT Clear Air TurbulenceCAT CategoryCATCH Complex Anomaly Tracking and SearchCAUT CautionCAUT LT Caution LightCBAL CounterbalanceCBB Connexion By BoeingCBIT Continuous BITECBM Circuit Breaker MonitoringCBMF Circuit Breaker Monitoring FunctionCBMS Circuit Breaker Monitoring SystemCBMU Circuit Breaker Monitoring UnitCBO Cycles between OverhaulCBORE CounterboreCBR California Bearing RatioCBS Cost Breakdown StructureCBSV Cycles Between Scheduled VisitsCC Current ComparatorCCB Configuration Control BoardCCC Crash Crew ChartCCC Component Change CardCCC Configuration Control CommitteeCCD Cursor Control DeviceCCG Cabin Configuration Guide
CCITT Consultative Committee International Telegraphy & TelephCCMD Configuration Conformity Management and DocumentationCCOM Cabin Crew Operating ManualCCQ Cross Crew QualificationCCR Credit Card ReaderCCR Customer Change RegisterCCRC Cabin Crew Rest CompartmentCCRM Cabin Crew Rest ModuleCCS Cabin Communications SystemCCW Counter ClockwiseCD Count DragCD Cold DrawnCD Control DisplayCD Compact DiskCDAM Centralized Data Acquisition ModuleCDB Configuration DataBaseCDBT Component Design and Build TeamCDC Cargo Door ControllerCDDS Component Documentation Data SystemCDE Consumption Data Exchange CardCDIM Component Data Instruction ManualCDIS Customization Definition Information SystemCDL Configuration Deviation ListCDLCU Cockpit Door Locking Control UnitCDLS CDP Cockpit Door Locking System Compressor Discharge PressureCD-ROM Compact Disc - Read Only MemoryCDS Cold Drawn SteelCDS CDS CDSS CDSU
Component Documentation Status Control and Display System Cockpit Door Surveillance System Cockpit Door Surveillance Unit
CDT Cabin Door Trainer
CDU Control and Display Unit
CDU Center Drive UnitCD-WD Component Data Working DocumentCE Central EntityCE Change EventCECAM Centralized Cabin MonitoringCED Cooling Effect DetectorCEET Cabin Emergency Evacuation TrainerCEL CELLI Component Evolution List Ceiling Emergency LED LightCEO Chief Executive OfficerCEPT Council of European Posts and Telegraphs
CER Contrôle Essais et Réception
CEV Clutch Electro Valve
CEV Centre d'Essais en VolCF Course to a Fixed WaypointCF Configuration FileCFDIU Centralized Fault Display Interface UnitCFDS Centralized Fault Display SystemCFE Customer Furnished EquipmentCFH Cubic Feet per HourCFIT Controlled Flight Into TerrainCFM Cubic Feet per Minute
CFM CFMI Cable Fabrication Manual CFM International
CFP Computerized Flight PlanCFR Code of Federal RegulationsCFRP Carbon Fiber Reinforced PlasticCFS Cold Finished SteelCFS Cabin File ServerCFVCU Cargo Fire Verification Control UnitCFVS Cargo Fire Verification SystemCG Center of GravityCGC Customer Ground CheckCGCS Center of Gravity Control SystemCGM Computer Graphics MetafileCH Centre HatrackCH CharacterCH ChargeCHAM ChamferCHAN ChannelCHAS ChassisCHG ChangeCHK CheckCHM ChimeCHMBR ChamberCHRG ChargeCHRO ChronometerCI Course to an InterceptCI Conversion InstructionCI Configuration ItemCi CurieCI Cast ironCI Cost IndexCICS Customer Information Control SystemCICS/VS Customer Information Control System/Virtual StorageCIDS Cabin Intercommunication Data SystemCIM Continuous Image MicrofilmCIN Change Identification Number CINS Cabin Information Network System
CIT Power Plant and APU Compressor Inlet Temperature
CIU Camera Interface UnitCK CheckCKD CheckedCKPT CockpitCKT CircuitCL ClimbCL ClutchCL Center LineCL ClipCL Check ListCL/OP Closure/OpeningCLB ClimbCLCTR CollectorCLD ClosedCLDB Component Location Data BankCLG CeilingCLG Centerline Landing GearCLK ClockCLM Component Location ManualCLN ClinometerCLNG CeilingCLOG CloggingCLOGD CloggedCLP ClampCLPR ClapperCLR ClearCLR ALT Clearance AltitudeCLRD ClearedCLRNC ClearanceCLS Cargo Loading System ManualCLS Cargo Loading SystemCLSD ClosedCLSG ClosingCLTM Component Location Training ManualCLV ClevisCM Conversion ManualCM Call MaintenanceCM CentimetersCM Collective ModificationCM Configuration ManagementCM Conversion ModuleCMC Central Maintenance ComputerCMD CommandCMEU Cabin Passenger Management Memory Expansion UnitCMF Central Maintenance Function3D Three Dimensional (Lat, Long, Alt)4D Four Dimensional (Lat, Long, Alt, Time)
A AmpereA AlternateCMFLR Cam FollowerCMI Computer Managed InstructionCMIT Component Management and Integration
COS Cowl Opening SystemCOT CotterCOTS Commercial Off-The-ShelfCOUNT CounterCOV CoverCOWL CowlingCP Clock PulseCPC Cabin Pressure ControllerCPCP Corrosion Prevention and Control programCPCS Cabin Pressure Control SystemCPCU Cabin Pressure Control UnitCPD Continuing Product DevelopmentCPDLC Controller-Pilot DataLink CommunicationsCPF Central Programme FunctionCPIOM Core Processing Input/Output ModuleCPL CoupleCPLD CoupledCPLG CouplingCPLR CouplerCPMS Cabin and Passenger Management SystemCPMU Cabin Passenger Management UnitCPNY CompanyCPRSR CompressorCPT CompartmentCPT CaptureCPU Central Processing UnitCQ Customer QueryCR CruiseCR Cold RolledCRC Camera Ready CopyCRC Cyclic Redundancy CheckCRC Crew Rest CompartmentCRC Continuous Repetitive ChimeCRC Centralized Radio ControlCRC Cyclic Redundancy CodeCRE Corrosion-ResistantCRES Corrosion-Resistant SteelCRG CargoCRI Certification Review ItemCRK CrankCRL CollarCROSS Center for Reliable Operational System SecurityCROSSFEEDR CrossfeederCRQ Customer RequestCRR Component Reliability ReportCRS CourseCRS Cold Rolled Steel
CRS Cost Repercussion SheetCRSN CorrosionCRT Cathode Ray TubeCRU Card Reader UnitCRU Cabin Router UnitCRZ CruiseCS CentistokesCS Cabin Cleaners StepsCS Call SwitchCS Center SparCSAS Cooled Service Air SystemCSD Constant Speed DriveCSDM Concession Support Decision ManualCSE Course Set ErrorCSF/L Continuous Safe Flight/LandingCSI Cycles Since InstallationCSIP Customer Satisfaction Improvement
ProgrammeCSK CountersinkCSKH Countersunk HeadCSL ConsoleCSM Computer Software ManualCSM/G Constant Speed Motor/GeneratorCSN Catalog Sequence NumberCSPM Customer Support Procedure ManualCSS Cockpit System SimulatorCST Cabin Service TrainerCSTG CastingCSTR ConstraintCSU Command Sensor UnitCSV Cycles Since Last Shop VisitCT Current TransformerCT Center TapeCTA Control AreaCTDP Cabin Trainer Data PackagesCTF Central Test FacilitiesCTF.P Central Test Facility ResponseCTF.Q Central Test Facility QuestionsCTK Capacity Tonne KilometreCTK Center TankCTL ControlCTL CentralCTLR ControllerCTR CenterCTR Control ZoneCTR ContourCTRD Centered
CTSK CountersunkCTU Cabin Telecommunications UnitCTWT Counterweightcu CubicCU Control UnitCUDU Current Unbalance Detection UnitCUR CurrentCV Curriculum VitaeCVE Compliance Verification EngineerCVL Configuration Variation ListCVM Cabin Video MonitoringCVMS Cabin Video Monitoring SystemCVR Cockpit Voice RecorderCVRS Cockpit Voice Recorder SystemCVS Cargo Video SurveillanceCVT Center Vent TubeCVU Crypto Voice UnitCW ClockwiseCWG Cockpit Working GroupCWLU Cabin Wireless LAN UnitCWS Control Wheel SteeringCWS Cabin Work StationCWSIU Combined Wheel Speed Interface UnitCWY ClearwayCY CycleCY Calendar Year - Current YearCYL CylinderD/A Digital to AnalogD/D Engine Out Drift Down PointD/LNA Diplexer/Low Noise AmplifierD/O Description and OperationDA Drift AngleDABS Discrete Address Beacon SystemDAC Drawing Aperture CardDAC Digital to Analog ConverterDADC Digital Air Data ComputerDADS Digital Air Data SystemDAF Damping Augmentation FunctionDAGS Dry Air Generation SystemDAL Development Assurance LevelDAMP DampingDAMPG DampingdaN Load (DecaNewton)DAR Digital AIDS RecorderDAR Digital ACMS RecorderDAS/STC Designated Alteration Station/Supplemental Type CertificDAU Data Acquisition Unit
DB DecibelDB Data BasedB DecibelDB DatabasedB(A) A-Weighted DecibelDBBS Data Base Bulletin ServiceDBC Data Bus CommunicationDBD Data Basis for DesignDBLR DoublerDC Direct CurrentDC Domain CoordinatorDC Direct CostDCD DecodeDCD Double Channel DuplexDCD Data Control and DisplayDCDR DecoderDCDU Datalink Control and Display UnitDCI Design Change InstructionDCL Digital Cabin LogbookDCP Display Control PanelDCR Dock on Crew RestDCR Delivery Control RoomDCR Design Change RequestDCRC Dock on Crew Rest CompartmentDCS Designated Certification SpecialistDCS Double Channel SimplexDCS Direct Current SupplyDCU Direction Control UnitDCV Directional Control ValveDCVR Direct Current Voltage RatioDDA Digital Differential AccumulationDDCU Dedicated Display and Control UnitDDI Design Drawing InstructionDDI Documentary Data InsertDDM Difference in Depth of ModulationDDM Digital Data ModuleDDP Declaration of Design and PerformanceDDRMI Digital Distance and Radio Magnetic IndicatorDDS Domain Display SwitchDDTS Digital Data Technology StandardsDDV Direct Drive ValveDEC DeclinationDECEL DecelerateDECOMPRESS DecompressionDECR DecreaseDEDP Data Entry and Display PanelDEF Definition
DEFDARS Digital Expandable Flt Data Acquisition &Recording Sys
DEFL DeflectDEFUEL DefuelingDEG DegreeDEGRADD DegradedDEL Delay MessageDEL DeleteDEL BY Deleted byDELTA P Differential PressureDEM Digital Electronic ModuleDEMOD DemodulatorDEP Data Entry PanelDEP DepartureDEPLD DeployedDEPRESS DepressurizationDEPT DepartmentDES DescentDES Digital Equipment SimulatorDES DescendDEST DestinationDET Detection, DetectorDETECTD DetectedDETNG DeterminingDEU Decoder/Encoder UnitDEV DeviationDEVN DeviationDEW Delivery Empty WeightDEX Access DemandedDF Direction FinderDFA Delayed Flaps ApproachDFDAMU Digital Flight Data Acquisition and Management UnitDFDAU Digital Flight Data Acquisition UnitDFDR Digital Flight Data RecorderDFDRS Digital Flight Data Recording SystemDFIDU Dual Function Interactive Display UnitDFT DriftDG Directional GyroDGAC Direction Generale de l'Aviation CivileDGI Digital InputDGO Digital OutputDGTL DigitalDH Decision HeightDI DeicingDI Data InputDIA DiameterDIAPH Diaphragm
DIBU Door Illumination Ballast UnitDIFF DifferentialDIM DimmingDIM DimensionDIM Direction Input ModuleDIMM DimmableDIP Dual In-line PackageDIPLXR DiplexerDIR Direct, Direction, DirectorDIR Direction, Direct, DirectorDIR TO Direct toDISC Disconnect, DisconnectedDISC DisconnectionDISCH Discharge, DischargedDISCNTY DiscontinuityDISCTN DisconnectionDIS-IN Discrete InputDISRMD Disarmed
DITS DIU Digital Information Transfer System Digital Interface UnitDIVERTG DivertingDL Domain LeaderDL Data Loader
Direct Lift ControlData Loading Configuration Manager Data Loading and Configuration System
DLOAD Data LoadingDLRB Data Loading Routing Box DLS Data Loading Selector DLS Data Load SystemDLY DelayDMA Direct Memory AccessDMC Direct Maintenance CostDMC Display Management ComputerDMC Design Modification CommitteeDMD DemandDMD Demand Data SheetDMDLTR DemodulatorDME Distance Measuring Equipment DMM Data Memory Module.DMP DMPR Display Management Processor DamperDMU Data Management Unit
DIST DISTR DITCH
DLC DLCM DLCS
DLK Data Link
DMZ DN DeMilitarized Zone DownDnCC Develop new Cabin and CargoDNI Drawing Numerical IndexDNLK DownlockDNLNK DownlinkDO Data OutputDO Design OfficeDOA Design Organisation ApprovalDOC Direct Operating CostDOC.DATA Documentary DataDOLLI Dome LED LightDOM Design Organisation ManualDOM Document Object ModelDOORLI Door LightDOW Dry Operating WeightDP Data ProcessingDP Differential ProtectionDPCU Digital Passenger Control UnitDPDT Double Pole/Double ThrowDPI Differential Pressure IndicatorDPM Design Progress MeetingDPRM Delivery Planning Review MeetingDQN Design Query NoteDR Dead ReckoningDR Dispatch ReliabilityDR DoorDRIP Design Response Intended for PlaybackDRL Documentation Requirement ListDRM Duct Repair ManualDRMI Distance Radio Magnetic IndicatorDRVG DrivingDRVN DrivenDRVR DriverDS DownstreamDSAPP DisappearanceDSB Door Sensor BlockDSCRM DiscriminatorDSCRT DiscreteDSCS Doors and Escape Slides Control SystemDSDL Dedicated Serial Data LinkDSEB Digital Seat Electronic BoxDSENGD DisengagedDSG Design Service GoalDSI Discrete InputDSIP Door/Slide Indication PanelDSMCU Doors and Slides Management Control UnitDSMS Doors and Slides Management System
DSO Discrete OutputDSPL DisplayDSPLYD DisplayedDSSS Direct Sequence Spread SpectrumDSTRK Desired TrackDSUG Drawing Set User GuideDTD Document Type DefinitionDTG Distance to GoDTMF Dual Tone Multiple FrequencyDTMS Damage Tolerance Monitoring System DTMU Damage Tolerance Monitoring Unit DU Display UnitDUM DummyDVD Digital Versatile DiskDVD Digital Video DiskDVI Digital Visual InterfaceDWG DrawingDX Access DemandedDYNMTC DynamometricE EastE/T Electrical TrimEABDC Enhanced Aircraft Broadcast Data CollectorEADI Electronic Attitude Director IndicatorEADS European Aeronautic Defence and Space CompanyEAROM Electrically Alterable Read Only MemoryEAS Equivalent AirspeedEASA European Aviation Safety AgencyEAT Expected Approach TimeEBAS Engine Bleed Air SystemEBCU Emergency Brake Control Unit EBHA Electrical Backup Hydraulic Actuator EBS Engine Build SpecificationEBU CFMI, GE, PWEC Engine ControlECAM Electronic Centralized Aircraft MonitoringECB Electronic Control BoxECDB Equipment Central Data BankECLS Electrical Cargo Loading systemECM Engine Condition MonitoringECM Engineering Coordination MemoECM Equipment Change ManagementECMS Electrical Contactor Management SystemECMU Electrical Contactor Management UnitECN Engineering Change NoteECON EconomyECON EconomicECP Ecam Control Panel
ECS Electronic Cooling SystemECS Environmental Control SystemECSB Embedded Computer System BusECU Electronic Control UnitECUCV Electronic Control Unit Cooling ValveED Edge DistanceEDB ECAM Data BookEDD Engineering Delivery DocumentsEDES Equipment Definition Evolution SheetEDMC Engineering Drawing Microfilm CardEDMS Engineering Documentation Management ServicesEDP Engine Driven PumpEDP Electronic Data ProcessingEDS Electronic Distribution of SoftwareEDTA Ethylenediamine TetraacetateEE Electrical and ElectronicEE Electrical EquipmentEEC Engine Electronic ControllerEEC Electronic Engine ControlEEPROM Electrically Eraseable Programmable Read Only MemoryEFCC Electronic Flight Control ComputerEFCS Electrical Flight Control SystemEFCU Electrical Flight Control UnitEFDARS Expandable Flight Data Acquisition and Recording SystemsEFF Effective,EffectivityEFF/FFU Electronic Flight Folder/Flight Follow-Up EFIS Electronic Flight Instrument SystemEFIS CP EFIS Control PanelEFIS SGU EFIS Symbol Generator UnitEFOB Estimated Fuel on BoardEG For ExampleEGIU Electrical Generation Interface Unit EGMS Electrical Galley Management System EGPWM Enhanced Ground Proximity Warning ModuleEGPWS Enhanced Ground Proximity Warning SystemEHA Electro-Hydrostatic ActuatorEHAC Electro-Hydrostatic Actuator ContactorEHCU Electromechanical Handforce Control UnitEHS Electrical Heater SystemEHSI Electronic Horizontal Situation IndicatorEIC Engineering Integration CentreEIPM Engine Interface Power ManagementEIPMU Engine Interface Power Management UnitEIRD Equipment Installation Requirement DossierEIS Electronic Instrument SystemEIS Entry Into ServiceEIU Engine Interface Unit
EIVMU Engine Interface and Vibration Monitoring UnitEL Equipment ListELA Electrical Load AnalysisELAC Elevator Aileron ComputerELAN Ethernet Local Area NetworkELAPS Elapsed TimeELC Electronic Library ComputerELC Emergency Line ContactorELEC Electric, Electrical, ElectricityELEK ElectronicELEKS ElectronicsELEV ElevationELEV ElevatorELEVN ElevationELEVR ElevatorELF Engineering support and data Link FunctionELM Electrical Load ManagementELMF Electrical Load Management FunctionELMU Electrical Load Management UnitELS Electronic Library SystemELS Emergency Lighting SystemELT Emergency Locator TransmitterELV ElevationEM Engine ManualEM ElectroMagnetEMC Electromagnetic CompatibilityEMDB Electrical Main Data BankEMER EmergencyEMI Electromagnetic InterferenceEMISN EmissionEMLS Emergency Lighting SystemEMP EmpennageEMS Equipment Modification SheetEMU Engine Maintenance UnitEMU RR Trent 900EMWS ElectroMechanical Window ShadeENBL EnableENCD EncodeENCDR EncoderENCL EnclosureEND EnduranceENG EngineENG OUT Engine OutENGD EngagedENGR EngineerENM Electrical Network ManagementENMF Electrical Network Management Function
ENMS Electrical Network Management SystemENP Estimated Normal PayloadENRGZ EnergizeENT EntryENTR EntranceENV EnvelopeENVMOD Envelope ModulationEO Engine OutEO Engineering OrderEO ACCEL ALT Engine Out Acceleration AltitudeEOC Engineering Order ChangeEOP End of PartEOSID Engine Out Standard Instrument DepartureEOT End of TapeEP Entry PanelEPAC Entity per Aircraft ChangeEPC External Power ContactorEPD Extended Principle DiagramEPESC Enhanced Passenger Entertainment System ControllerEPGS Electrical Power Generation SystemEPLD Electronically Programmable Logic DeviceEPM Engineering Program ManagerEPPT Electronic PerformanceEPR Exhaust Pressure RatioEPR Engine Pressure RatioEPR Equipment Problem ReportEPR.D EPR DescentEPR.L EPR LatchEPROM Erasable Programmable Read Only MemoryEPSU Emergency Power Supply UnitEPU Emergency Power UnitEQIR Engineering Query Investigation reportEQPT EquipmentER Error ReportER Elevator RibER Extended RangeER Engine RunERECT ErectionERL Economic Repair LifeERMM En Route Moving MapEROM Electronic Readout MachineERP Enhanced Runaway ProtectionERR ErrorERS EraseERS ErasedERS Embodiment Repercussion SheetERU Engine Relay Unit
ESB Evaluation Service BulletinESB Electrical System BITEESBF Electrical System BITE FunctionESC EscapeESD Electro Sensitive DeviceESD Electronic System DisplayESD ElectroStatic DischargeESDB Element Standard Data BankESDN Extended System/Structure Description NoteESG Evaluated Service GoalESLB ECAM System Logic BookESLD ECAM System Logic DataESP Electrical Standard PracticesESPM Electrical Standard Practices ManualESS EssentialEST EstimatedESU Ethernet Switch UnitESWL Equivalent Single Wheel LoadET Elapsed TimeETA Estimated Time of ArrivalETACS External and Taxiing Aid Camera SystemETD Estimated Time of DepartureETDS Engineering Technical Data ServiceETE Estimated Time En RouteEtio.Ag. Etiologic AgentETL Engineering Team LeaderETO Estimated Time OverETOPS Extended Range Twin Engined Aircraft OperationsETP Equal Time PointETR Engineering Template RepositoryETRAC Electronic Thrust Reverser Actuation ControllerETRAS Electrical Thrust Reverser Actuation SystemETS Equipment Technical SpecificationETT Estimated Time for TakeoffEUPB Electronic Unit Protection BoxEV Electro ValveEVAC EvacuationEVAC EvacuateEVMU Engine Vibration Monitoring UnitEWD Engine/Warning DisplayEWS Electronic Warning SystemEWS Electrical Window ShadesEX ExampleEXC Excitation, ExciteEXCD ExcitedEXCESS ExcessiveEXCG Exciting
EXCHG ExchangeEXCHGR ExchangerEXCN ExcitationEXH ExhaustEXP ExpansionExpl. ExplosiveEXSTG ExistingEXT Extend, ExtensionEXT Exterior, ExternalEXTC ExtractEXTCD ExtractedEXTCG ExtractingEXTG ExtendingEXTIG ExtinguishingEXTIN ExtinctionEXTING ExtinguishingEXTING ExtinguishEXTIR ExtinguisherEXTN ExtensionEXTR ExtractorEXTR ExtrusionEXTRACT Extraction, ExtractorEZ Electrical ZeroF FuelF FahrenheitF Minimum Flap Retract Speed (EFIS)F/C First ClassF/CTL Flight ControlsF/E Flight EngineerF/O First OfficerF/S Fast/SlowF/U Follow-UpF/W Failure WarningFA Course from a Fixed Waypoint to an Altitude TerminationFAA Federal Aviation AdministrationFAC Flight Augmentation ComputerFACS Flight Augmentation Computer SystemFADEC Full Authority Digital Engine ControlFAF Final Approach FixFAI First Article InspectionFAIL Failed, FailureFAIR FairingFAL Final Assembly LineFALH Final Assembly Line HolderFANS Future Air Navigation SystemFAOM Flight Attendant Operating ManualFAP Forward Attendant Panel
FAP Flight Attendant PanelFAR Federal Aviation RegulationsFAS Flight Augmentation SystemFAS Fatigue Approval SheetFAV Fan Air ValveFAWP Final Approach WaypointFBB Fasten Bed BeltFBS Fixed Base SimulatorFBW Fly-by-wireFC Freight Container TrainFC Flight CycleFC Fully ClosedFC Course from a Fixed Waypoint to a Changeover PointFCC Flight Control ComputerFCCS Flight Control Computer SystemFCCU Flight Control Computer UnitFCD Full Color DisplayFCD55 Full Color Display 5 inch x 5 inchFCDC Flight Control Data ConcentratorFCGU Flight Control and Guidance UnitFCMC Fuel Control and Monitoring ComputerFCMS Fuel Control Monitoring SystemFCO Fulfill Customer OrderFCOM Flight Crew Operating ManualFCP Full Change ProcessFCPC Flight Control Primary ComputerFCPI Flight Control Position IndicatorFCR Flight Crew ReportFCRC Flight Crew Rest CompartmentFCSC Flight Control Secondary ComputerFCST ForecastFCTN FunctionFCU Flush Control UnitFCU Flight Control UnitFCU Fuel Control UnitFCV Flow Control ValveFD Flight DirectorFD Fuselage DatumFD Course from a Fixed Waypoint to a DME DistanceFDAC Full Digital AGU ControllerFDAU Flight Data Acquisition UnitFDB Floor Disconnect BoxFDBK FeedbackFDC Fuel Data ConcentratorFDCE Flight Deck and Cabin EffectsFDD Floppy Disk DriveFDD Functional Description Document
FDE Flight Deck EffectFDEP Flight Data Entry PanelFDIAF Flight Data Interface/Acquisition FunctionFDIMU Flight Data Interface and Management UnitFDIU Flight Data Interface UnitFDR Flight Data RecorderFDRPL Flight Data Recording Parameter LibraryFDRS Flight Data Recording SystemFDS Fault Detection SpecificationFDSU Flight Data Storage UnitFDU Fire Detection UnitFE Flight EnvelopeFEC Flight Envelope ComputerFEDR FeederFEGV Fan Exit Guide VaneFES Fire Extinguishing SystemFET Field Effect TransistorFEW Fleet Empty WeightFF Fuel FlowFF Ferry FlightFFAR First Flight Article ReviewFFCC Forward Facing Crew Cockpit ConfigurationFFCC Forward Facing Crew Cockpit ConceptFFCCV Forward Flange Compressor Casing VibrationFFCCV Fan Frame Compressor Case VerticalFFCM Free Fall Control ModuleFFL Flip Flop LatchFFP Fixed Firm PriceFFS Full Flight SimulatorFFS Full Feasibility StudyFG Flight GuidanceF-G/S FLS Glide SlopeFGE Flight Guidance and EnvelopeFGES Flight Guidance and Envelope SystemFGN ForeignFGS Flight Guidance SystemFH Flight HoursFHA Functional Hazard AnalysisFHSS Frequency Hopping Spread SpectrumFIDS Fault Isolation and Detection SystemFIFO First Input/First OutputFIG FigureFIL FilamentFIL FilletFIL H Fillister HeadFILG FillingFIM Fault Isolation Manual
FIN Functional Item NumberFIR Full Indicator ReadingFIS Flight Information ServicesFIX FixedFL FloodFL FlowFL Flight LevelFL FluidFL FloorFla.G Flammable Compressed GasFla.L Flammable LiquidFla.S Flammable SolidFLC Feel and Limitation ComputerFLD FieldFLDK Flight DeckFLEX FlexibleFLG FlangeFLH Flat HeadFLIP Flight Plan Computation ProgramFLLT Flashing LightFLMPRF FlameproofF-LOC FLS LocalizerFLP FlapFLP Flight Line PlanningFLS FMS Landing SystemFLS Field Loadable SoftwareFLSA Fuel Level Sensing AmplifierFLSCU Fuel Level Sensing Control UnitFLT FlightFLT CTL Flight ControlFLTR FilterFLXTO Flexible Take-OffFM Flight ManagementFM Flight ManualFM Frequency ModulationFM Fan MarkerFM Course from a Fixed Waypoint with a Manual TerminationFMA Flight Mode AnnunciatorFMC Flight Management ComputerFMCS Flight Management Computer System (FMC and CDU)FMCU Flight Management Computer UnitFMD Failure Message DescriptionFMEA Failure Mode Effect AnalysisFMES Failure Mode and Effects SummaryFMGC Flight Management and Guidance ComputerFMGEC Flight Management Guidance and Envelope ComputerFMGES Flight Management Guidance and Envelope System
FMGS Flight Management and Guidance SystemFMS Flight Management System (FMCS and AFS sensors)FMS Fuel Manifold StagingFMU Fuel Metering UnitFMV Fuel Metering ValveFNA Final ApproachFNCP Flight Navigation Control PanelFNSG Flight Navigation Symbol GeneratorFO Fully OpenFO Flight OrderFOB Fuel On BoardFOC Fuel/Oil CoolerFOCT Flight Operations Consultation ToolFOD Fuel Over DestinationFOD Foreign Object DamageFOD Flight Operation DomainFOM Flight Operations ManualFOM Flight Operations MonitoringFOQA Flight Operations Quality AssuranceFOR DET For DetailFOS Fuel Operator StationFOT FAL Operational Test MeetingFOVE Flight Operations Versatile EnvironmentFPA Flight Path AngleFPEEPMS Floor Proximity Emergency Escape Path Marking SystemFPH Floor Panel HeatingFPL Flight PlanF-PLN Flight PlanFPM Feet per MinuteFPMU Fuel Properties Measurement UnitFPPU Feedback Position Pick-off UnitFPRM Fuel Pipe Repair ManualFPS Fire Protection SystemFPT Flight Path TargetFPV Flight Path VectorFQ Fuel QuantityFQDC Fuel Quantity Data ConcentratorFQI Fuel Quantity Indicating/Indication/IndicatorFQI Fuel Quantity Indicating/-ion/-orFQIC Fuel Quantity Indication ComputerFQMS Fuel Quantity and Management SystemFR FrameFRD Functional Requirement DocumentFREQ FrequencyFREX Support Repercussion SheetFRM Fault Reporting ManualFRQ Frequency
FRS Flammability Reduction SystemFRT FrontFRU Frequency Reference UnitFRV Fuel Return ValveFS Front SparFS Fuselage StationFSA FlySmart with AirbusFSB Fasten Seat BeltsFSCM Federal Supply Code for ManufacturersFSN Fleet Serial NumberFST Fire/Smoke/ToxicityFSTNR Fastenerft Feet, Footft/mn Feet per MinuteFTA Flight Test AnalysisFTB For the time beingFTD Flight Training DeviceFTE Flight Test EngineerFTG FittingFTI Flight Test InstallationFTIS Fuel Tank Inerting SystemFTK Freight Tonne KilometreFTK Fuel TankFTMS Flight Test Management SystemFTP File Transfer ProtocolFTR Flight Test RequestFTRNG FeatheringFTS Frame Time SelectFTSP Floor Temperature Setting PanelFTU Force Transducer UnitFU Feedback UnitFU Fuel UsedFUSLG FuselageFV Flux ValveFW Failure WarningFW FirewallFWC Flight Warning ComputerFWD ForwardFWL FirewallFWS Flight Warning SystemFWSD Flight Warning and System DisplayFY Fiscal YearG GalleyG Gridg Earth Acceleration (Symbol)G GreenG Gyro
g GramG/A Ground-to-AirG/G Ground GuidanceG/S Glide SlopeGA Go-AroundGA General ApplicationGAD General Assembly DrawingGAHMM Global Aircraft Health Monitoring and ManagementGAIR General Assembly Inspection Reportgal GallonGALV GalvanizeGALY GalleyGAMMA-A SlopeGAMMA-T Potential SlopeGAPCU Ground and Auxiliary Power Control UnitGATE Glossary of Airbus Terms and ExpressionsGATT General Agreement on Tariffs and TradeGCA Ground-Controlled Approach SystemGCP General Conditions of PurchaseGCR Generator Control RelayGCU Generator Control UnitGDE GuideGDNC GuidanceGDO Ground Door OpeningGDS GSE Data SheetGE General ElectricGEM Ground Equipment ManualGEN GeneratorGENL GeneralGES Ground Earth StationGFI Ground Fault InterruptionGFTM General Familiarization Training ManualGGPCU Generator and Ground Power Control UnitGIC General Instruction CardGIDOCA Gestion Informatique de la Documentation AvionGIE Groupement d'Intérêt EconomiqueGIM General Introduction ManualGIPSY General Integrated Publication SystemGLASU Galley Light Attendant Service UnitGLC Generator Line ContactorGLM General List of ModificationsGLR Generator Line RelayGLS GNSS Landing SystemGLT Ground Leak TestGMC General Modification CommitteeGMR Ground Movement RadarGMT Greenwich Mean Time
GMTBF Guaranteed Mean Time Between FailureGNC Galley Network ControllerGND GroundGNLU GNSS Navigation and Landing UnitGNSS Global Navigation Satellite SystemGP Glide PathGPCU Ground Power Control UnitGPM General Processing ModuleGPS Global Positioning SystemGPSSU Global Positioning System Sensor UnitGPU Ground Power UnitGPWC Ground Proximity Warning ComputerGPWS Ground Proximity Warning SystemGR GearGR Goods ReceivedGRC Glass Reinforced CompositeGRFC Global RFCGRP Geographic Reference PointGRP Ground/Geographical Reference PointGRP Glass-Reinforced PlasticGRP Ground Reference PointGRU Ground Refrigeration UnitGRV GrooveGRVTY GravityGS Ground SpeedGSB Ground Service BusGSE Ground Support EquipmentGSHLD GlareshieldGSM General Structure ManualGSM Global System for Mobile CommunicationGSP Ground Service PanelGTA General Terms AgreementGTHRG GatheringGTI Ground Test InstructionsGTR Ground Test RequirementsGUI Graphic Interface UnitGW Gross WeightGWDU Galley Waste Disposal UnitGWR General Working RulesGY GreyGYRO GyroscopeH Hot (Electrical Point)H Runway Thicknessh Hourh HeightH NAV Horizontal NavigationH/W Hardware
HA Holding Pattern to an Altitude TerminationHADC Hybrid Air Data ComputerHARN HarnessHAS Heading and Attitude SystemHB Brinnell Hardness Test Valuehbar Stress (Hectobar)HCS Humidification Control SystemHCU Hydraulic Control UnitHCU Head Up Combiner UnitHD HeadHD HoldHDDA Hard Disk Drive ArrayHDG HeadingHDG/S Heading SelectedHDL HandleHDLG HandlingHDM HSDU Data ModuleHDST HeadsetHDWHL HandwheelHEATG HeatingHEGS Hydraulic Electrical Generating SystemHES Head-End SwitchHESU Head-End Server UnitHEX HexadecimalHF Holding Pattern to a Fixed WaypointHF High FrequencyHFDR High Frequency Data RadioHFEC High Frequency Eddy CurrentHGA High Gain AntennaHHL Horizontal Hinge LineHI HighHIBU Hybrid Illumination Ballast UnitHID High Intensity DischargeHIDS Host Intrusion Detection SystemHIL Hold Item ListHK Knoop Hardness Test ValueHL High LevelHLAC High Level AC VoltageHLCL HelicalHLD HoldHLD High Power Amplifier/Low Noise Amplifier/DiplexerHLDC High Level DC VoltageHLDR HolderHLTY HealthyHM Holding Pattern with a Manual TerminationHMC Hydromechanical ControlHMI Human-Machine Interface
HMU Hydromechanical UnitHMU Hydromechanical Metering UnitHNG HingeHO HandOverHoE Head of EngineeringHOLD HoldingHOR Hold Open RodHORIZ HorizontalHOT High Oil TemperatureHP High PressureHpa Hecto PascalHPA High Power AmplifierHPC Rear Compressor Rotor and Stator
AssemblyHPC High Pressure CompressorHPR High Power RelayHPT High Pressure TurbineHPT Rear Compressor Drive Turbine Rotor
AssemblyHPTACC High Pressure Turbine Active Clearance ControlHPTC High Pressure Turbine ClearanceHPTCC High Pressure Turbine Case CoolingHPTCC High Pressure Turbine Clearance ControlHPTR High Pressure Turbine RotorHPU Head up Projection UnitHPV High Pressure ValveHPV HP Bleed ValveHR HourHR Hot RolledHR(X) Rockwell Hardness Test ValueHR/XXX) Rockwell Superficial Hardness Test ValueHRP Horizontal Reference PlaneHRS HoursHRS Hot Rolled SteelHS High SpeedHSDU High Speed Data UnitHSG HousingHSI Horizontal Situation IndicatorHSI Hot Section InspectionHSMU Hydraulic System Monitoring UnitHSS High Speed SteelHT HeatHT TR Heat TreatHTD HeatedHTG HeatingHTML Hyper Text Mark-up LanguageHTP Horizontal Tail Plane
HTR HeaterHTTP HyperText Transfer ProtocolHUD Head Up DisplayHUDC Head Up Display ComputerHUMIDIF HumidificationHV Vickers Hardness Test ValueHV High VoltageHVDF High and Very High Frequency Direction -
Finding StationHVPS High Voltage Power SupplyHWBPT Hardware BreakpointHYD HydraulicHZ HertzI Invoice CardI InertialI/I Inspection/IntervalI/O Input/OutputI/P Intercept ProfileI/P Intercept PointI/P InputIAE International Aero EnginesIAF Initial Approach FixIAS Indicated AirspeedIATA International Air Transport AssociationIATP International Air Transport PoolIAW In Accordance withIAWP Initial Approach WaypointIBIT Initiated BITEIBLC Inter-Bus Line ContactorIBN Identification BeaconIBU Integrated Ballast UnitIC Integrated CircuitIC Invoice Control CardICAO International Civil Aviation OrganisationICARE Illustration, Constraint, Activity, Rule, EntityICC Integrated Change ControlICCAIA Inter Co-ordinating Council of Aerospace Industries AssoICD Interface Control DocumentICE In Circuit EmulationICP Integrated Control PanelICU Isolation Control UnitICY InterchangeabilityID Inside DiameterID PL Identification PlateIDBT Integrated Design and Build TeamIDC Instrument Display CatalogIDENT Identification, Identifier, Identify
IDG Integrated Drive GeneratorIDP Integrated Data ProcessingIDU Interactive Display UnitIEC International Electrotechnical CommissionIEEE Institute of Electrical and Electronic EngineersIES Industrial Evaluation SheetIETF Internet Engineering Task ForceIF Intermediate FrequencyIF Initial FixIFA International Federation of AirworthinessIFA Integrated Final AssemblyIFE In-Flight EntertainmentIFEC In-Flight Entertainment CenterIFES In-Flight Entertainment SystemIFP In-Flight Performance Computation ProgramIFPA InFlight Performance ApplicationIFR Instrument Flight RulesIFSD In-Flight Shut DownIFTB In flight Turn backIGB Inlet Gear BoxIGGS Inert Gas Generation SystemIGN IgnitionIIPD Illustrated Initial Provisioning DocumentILLUM IlluminationILLUMD IlluminatedILS Instrument Landing System (LOC and G/S)IM Inner MarkerIMA Integrated Modular AvionicsIMC Indirect Maintenance CostIMM ImmediateIMPACT Improvement Manufacturer Program for Airbus Customer TrainingIMR Interlock Monitoring RelayIMU Inertial Measurement Unitin InchIN InchIN HG Inches of MercuryINA Initial ApproachINB InboundINBD InboardINCLG IncludingINCR IncreaseINCR IncrementIND IndicatorINDG IndicatingINFO InformationINHI InhibitINHIB Inhibit, Inhibited, Inhibition
Support SystemJEP JeppesenJFGW Jettison Final Gross WeightJIC Job Instruction CardJID Jeppesen Inflight DatabaseJITX Jeppesen Integrated Tool Kit XJK JackJOEB Joint Operation Evaluation BoardJOG JoggleJTSN JettisonJUNCTN JunctionK Subgrade Reaction ModulusK Degrees KelvinKA Knowledge AcquisitionKB/s Kilo Bits per SecondKBD KCCU KeyboardKE Keyboard and Cursor Control Unit Knowledge EngineeringKeV Thousand Electron VoltsKFS Kaspersky File Systemkg Kilogramkg/m³ Kilograms/Cubic MeterKHZ KilohertzKIAS Knots Indicated AirspeedKM Knowledge ManagementkPa Kilo PascalKPI Key Performance IndicatorKRUG KruegerKT Knot(s)KU Keyboard UnitKV Kilo VoltKVA Kilovolt AmperekW KilowattL LengthL Litre or LiterL Radius of Relative StiffnessL LeftL ECAM DU Left ECAM Display UnitL/D Lift/Drag
L/G Landing GearL/HIRF Lightning/High Intensity Radiated Fields LA Linear Accelerometer LAF Load Alleviation FunctionLAG LaggingLAILA LAvatory Interface and Light AdapterLAM LaminateLAMM Lights, Audio and Miscellaneous Module
LAN Local Area Network
LAND LandingLAP List of Applicable PublicationsLAT LAT Lateral LatitudeLAU Linear Accelerometer UnitLAV Lavatorylb PoundLB PoundsLBA Luftfahrt Bundes AmtLBA Logical Bus Applicationlbf/in² Pounds force per square inchLB-FT Pound - Force - Foot (Torque)LB-IN Pound - InchLBP Left Bottom PlugLC Labour CostLC Line ContactorLCC Life Cycle CostLCD Liquid Crystal DisplayLCDT Load Compressor Discharge TemperatureLCH Latch LatchingLCIT Load Compressor Inlet TemperatureLCL Line Check List (Maintenance)LCN LCP Load Classification Number Local Control PanelLCSD Line Check Support DataLCTR LocatorLD Left DisplayLD Lower DeckLD LoadLD CAB Lower Deck Cabin LD GALY Lower Deck Galley LD LAV Lower Deck LavatoryLDA Localizer-type Directional AidLDC Local Domain CoordinatorLDC Local Door ControllerLDCC Lower Deck Cargo Compartment LDF Lower Deck FacilitiesLDG LandingLDG GR Landing Gear
LDI Landing Direction IndicatorLDMCR LDPA Lower Deck Mobile Crew Rest LanDing Performance ApplicationLE Log EntryLE Leading EdgeLED Light Emitting DiodeLEHGS Local Electro-Hydraulic Gene+B2201:B2238ration SystemLEL Lower Explosive LimitLEO Little Earth OrbitLEP List of Effective PagesLER Leading Edge RibLF Low FrequencyLFR Low Frequency Radio RangeLGA Low Gain AntennaLGCIS Landing Gear Control Indication SystemLGCIU Landing Gear Control and Interface UnitLGCM Light Green Communication ManagerLGERS Landing Gear Extension and Retraction SystemLGMS Landing Gear Management SystemLGND LegendLGWSS Landing Gear Well Surveillance SystemLH Left HandLIB Loudspeaker and Indicator BoxLIM Limit, Limitation, Limiting, LimiterLIMG LimitingLIPPLE Lowest Intelligible Phone Power LevelLIQD LiquidLIS Localizer Inertial SmoothingLISA Light Interface Standardization AdapterLKD LockedLKG LockingLKR LockerLKSHFT LockshaftLL Low LevelLL Latitude/longitudeLL1 Waypoint from Waypoint List AbbreviatedLLAC Low Level AC VoltageLLDC Low Level Direct CurrentLLDC Low Level DC VoltageLLI Long Lead Time ItemLLL Low Level LightLLS Left Line Select KeyLLS Low-Level Solid Radioactive MaterialLLS Liquid Level SensorLMC Least Material ConditionLMC Last Minute ChangeLMES Loss of Main Electrical SupplyLMM Compass Locator at Middle Marker
LMP Left Middle PlugLMP Line Maintenance PartLMS Leakage Measurement SystemLMT Local Mean TimeLNA Label Not AvailableLNG LongLNR LinearLO LowLO Local OscillatorLO PR Low PressureLOC LocalizerLOC List of Overhaulable ComponentsLOCKG LockingLODD Last acceptable On Dock DateLOG LogicLOGO LogogramLOM Compass Locator at Outer MarkerLONG LongitudinalLONG LongitudeLONGL LongitudinalLONGN LongeronLOP Low Oil PressureLOPA Layout Per AircraftLORAN Long Range Aid to Air NavigationLOS Lavatory Occupied SignLP Low PressureLP VALVE Low Pressure ValveLPC Low Pressure CompressorLPC Low Compressor Rotor and Stator AssemblyLPC Less Paper in the CockpitLPE Laissez-Passer ExceptionnelLPFEV Long Power Failure EventLPO Landings per OverhaulLPT Low Pressure TurbineA AlternateLPT Front Compressor Drive Turbine Rotor
AssemblyLPTACC Low Pressure Turbine Active Clearance ControlLPTC Low Pressure Turbine ClearanceLPTCC Low Pressure Turbine Case CoolingLPTCC Low Pressure Turbine Clearance ControlLPTR Low Pressure Turbine RotorLR Long RangeLRE List of Radioactive and Hazardous ElementsLRI Line Replaceable ItemLRM Line Replaceable ModuleLROPS Long Range Operations
LRRA Low Range Radio AltimeterLRU Line Replaceable UnitLS Line Select KeyLS LoudspeakerLS Low SpeedLS Landing SystemLSA Low Speed AileronLSA Low Specific Activity Radioactive MaterialLSAP Loadable Software Aircraft PartsLSB Least Significant BitLSC Least Significant CharacterLSC Load Signature CertificateLSI Large Scale Integrated/Integration/IntegratorLSP Low SpeedLSP Loadable Software PartLSR Load Shedding RelayLSR Last Significant BitLSU Lavatory Service UnitLT LightLT TeleloadingLTD LimitedLTD PLT Lighted PlateLTG LightingLTK Load Tonne KilometreLTM Livestock Transportation ManualLTO Landing and TakeOffLTP Left Top PlugLTR Lab Test RequestLTS LightsLTS Load and Trim Sheet SoftwareLUAR Laboratory Unit Acceptance ReviewLV Low VoltageLVDT Linear Variable Differential TransducerLVL LevelLVL/CH Level ChangeLVR LouverLVR LeverLVT Linear Voltage TransducerLW Landing WeightLWR LowerLWSA Lavatory Water Supply AssyL-x Lavatory - XM Maneuvering Speed (EFIS)M Magentam MeterM ModeM Mach Number
M MachM/L Mood Lightingm³ Cubic MeterMA Milli-AmpereMA Maintenance AnnunciatorMAA Maximum Authorized IFR AltitudeMAAP Members and Associated PartnersMABH Minimum Approach Breakoff HeightMAC Mean Aerodynamic ChordMAC Maintenance Action ClassificationMACT Module Application Configuration TableMADAR Malfunction Detection Analysis and Recording SubsystemMAF Maintenance Access FunctionMAG MagneticMAG MagazineMAG DEC Magnetic DeclinationMAG VAR Magnetic VariationMag.M Magnetized MaterialMAGN MagnetronMAIDS Multipurpose Automatic Inspection and Diagnostic SystemMAIN MUX Main MultiplexerMAINT MaintenanceMALS Medium Intensity Approach Light SystemMALSR Medium Intensity Approach Light System with Runway AlignMAN ManualMAP Missed Approach SegmentMAP Ground MappingMAP Master Annunciator PanelMAP Mise au pointMAPSP Master Attendant Passenger Service PanelMAS Milli-Ampere/SecondsMAS Modification Approval SheetMASI Mach Airspeed IndicatorMAT Multi-purpose Access TerminalMAT Maintenance Access TerminalMAWP Missed Approach WaypointMAX MaximumMAX CLB Maximum ClimbMAX DES Maximum DescentMAX END Maximum EnduranceMB Millibarsmbar MillibarMC Master ChangeMC Material CostMCA Minimum Crossing AltitudeMCBF Mean Cycles between FailuresMCC Modification Customer Chart
MCC Multi Crew CooperationMCD Movable Class DividerMCDU Multipurpose Control & Display UnitMCE Motor Control ElectronicMCi MillicurieMCL Maximum ClimbMCPU Motor Control and Protection UnitMCR Maximum CruiseMCR Manufacturer Change RequestMCS MultiChannel Aviation Satellite
Communication SystemMCS Mission Computer SubsystemMCT Maximum Continuous ThrustMCU Master Control UnitMCU Modular Concept UnitMCUR Mean Cycle Between Unscheduled RemovalsMCVL Manual Configuration Variation ListMCW Modulated Continuous WaveMD Main DeckMDA Minimum Decision AltitudeMDA Minimum Descent AltitudeMDAU Modular Data Acquisition UnitMDCC Main Deck Cargo CompartmentMDCD Main Deck Cargo DoorMDDU Multipurpose Disk Drive UnitMDF Medium Frequency Direction Finding StationMDH Minimum Descent HeightMDL ModuleMDM Material Data MeetingMDR Multiregional DBS (Digital Broadcast System) ReceiverMDU Multiplier Divider UnitMDU Manual Drive UnitMEA Minimum En Route IFR AltitudeMEAS MeasurementMEASRG MeasuringMEC Main Engine ControlMECH Mechanic, Mechanical, MechanismMED MediumMEDB Model/Engine DataBaseMEL Minimum Equipment ListMEM MemoryMEO Middle Earth OrbitMEP Main Executive ProgramMES Main Engine Start
MET Meteorological
MEV Main Electro ValveMEV Million Electron-VoltsMEW Manufacturer's Empty WeightMF Medium FrequenciesMFA MFD MFG Memorized Fault Annunciator MultiFunction Display ManufacturingMFP Mixed Fission ProductsMFP MFP MFR Maintenance Facility Planning MultiFunction Probe ManufacturerMFR IDENT Manufacturer IdentificationMFS MultiFunction SensorMFT Multi Function TeamMFTW Maximum Design Fuel Transfer WeightMFW Maximum Design Flight WeightMGB Main Gear Box
MGMT Management
MGT ManagementMHSU Magnetic Heading Sensor UnitMHZ MegahertzMI MIB MIC Magnetic Indicator Management Information Base MicrophoneMICBAC MID Micro-System Bus Access Channel MiddleMID Modification Information DocumentMIDU Multi-Input Interactive Display UnitMILA MIni Light Adaptermile/h Miles per HourMIN Minimummin MinuteMIN FUEL Minimum FuelMIN TIME Minimum TimeMIP Maintenance Information PrinterMIP Master Interphone PanelMIPO Manually Issued Purchase OrderMIPS Maintenance Information and Planning SystemMISC MiscellaneousMKGS MarkingsMKR Marker (radio) Beaconml MilliliterMLA Maneuver Load AlleviationMLC Mood Lighting ControllerMLD MoldedMLFAP Mood Lighting Flight Attendant PanelMLG Main Landing GearMLI Magnetic Level IndicatorMLIH Magnetic Level Indicator HousingMLS Microwave Landing SystemMLW Maximum Design Landing WeightMM Middle Marker
mm MillimeterMM Maintenance Manualmm² Square Millimetermm³ Cubic MillimeterMMC Maximum Material ConditionMMDB Mechanical Main Data BankMMEL Master Minimum Equipment ListMMH/FH Maintenance Man Hours per Flight HourMMI Manual Magnetic IndicatorMMO Mach Max Operating SpeedMMO Maximum Operating MachMMR Multi-Mode ReceiverMn Mach NumberMNFOLD ManifoldMNPS Minimum Navigation Performance SpecificationMOCA Minimum Obstruction Clearance AltitudeMOD ModulatorMOD ModificationMOD/V Modulating ValveMODLTR ModulatorMOKA Methodology and software tools Oriented to KBE ApplicationsMOM Maintenance Organization ManualMON Monitor, Monitoring, MonitoredMONG MonitoringMORA Minimum Off Route AltitudeMORV Mixer Overpressure Relief ValveMOS Metal Oxyde SemiconductorMOT Motor, MotorizedMOU Memorandum of UnderstandingMP Maintenance PracticesMP Modification ProposalMP Maintenance ProcedureMP Main ProcessorMPA Maximum Power AssuranceMPB Micro Processor BipolarMPD Maintenance Planning DocumentMPDS Maintenance Planning Data SupportMPL Maximum Permitted LifeMPR Multipurpose RegisterMPS Multiplex Power SupplyMPS Maximum Performance SpecificationsMPU Modem Processor UnitMPU Magnetic PickupMQPB Minimum Quantity Price Breakmr/hr Milliroentgens per HourMRA Minimum Reception AltitudeMRB Maintenance Review Board
MRB Materials Review BoardMRBD Maintenance Review Board Documentmrem/hr Millirems per hourMRIU Maintenance & Recording Interface UnitMRS Malfunction Reporting SystemsMRS Maintenance, Reliability, SupportabilityMRTT Multi Role Tanker TransportMRW Maximum Ramp WeightMS Military StandardMS Maintenance ScheduleMSA Minimum Safe AltitudeMSB Most Significant BitMSC Maintenance Steering CommitteeMSC Airbus Materiel Support CentreMSCN Manufacturer Specification Change NoticeMSD Mass Storage DeviceMSG MessageMSG Maintenance Steering GroupMSI Medium Scale IntegratedMSI Maintenance Significant ItemMSL Mean Sea LevelMSL Maintenance Significant Item ListMSM Monitoring System ModuleMSN Manufacturer Serial NumberMSTR MasterMSU Media Server UnitMSU Mode Selector Unit (IRS)MSU Magnetic Sensor UnitMSU Motor Switching UnitMSW MicroswitchMT MountMTBD Mean Time Between DefectsMTBF Mean Time Between FailuresMTBI Mean Time Between InspectionMTBIFS Mean Time Between In Flight Shut-downMTBPR Mean Time Between Premature RemovalsMTBR Mean Time Between RemovalsMTBT Mean Time Between TroubleMTBUR Mean Time Between Unscheduled RemovalsMTE Manual Test EquipmentMTG MountingMTGC Mounting CenterMTI Multi Tank IndicatorMTN MotionMTO Maximum Take-OffMTO MétéoMTOGW Maximum Takeoff Gross Weight
MTOP Maintenance Task Operating PlanMTOW Maximum Design Takeoff WeightMTP Maintenance and Test Panel (AFS)MTR MeterMTRM Mid Term Planning MeetingMTS Maintenance Training SimulatorMTTF Mean Time to FailureMTTR Mean Time to RepairMTTUR Mean Time to Unscheduled RemovalMTUR Mean Time Between Unscheduled RemovalsMTW Maximum Design Taxi WeightMTXW Maximum Taxi WeightMU Management UnitMUX Multiplex, MultiplexerMV MultivibratorMVT MovementMWARN Master WarningMWC Master Warning ComputerMWE Manufacturer's Weight EmptyMWG Maintenance Working GroupMWP Master Warning PanelMWS Master Warning SystemMXR MixerMZFCG Maximum Zero Fuel Center of GravityMZFW Maximum Design Zero Fuel Weightn Load FactorN NewtonN NormalN NeonN NorthN MOS N-Channel Metal Oxide SemiconductorN MOS Negative Metal Oxide SemiconductorN.O.R Normal Operating RangeN/A Not ApplicableN/P Next PageN/W Nose WheelN/WS Nose Wheel SteeringN1 Low Pressure Rotor SpeedN1 Engine Fan SpeedN1.D N1 DescentN1.L N1 LatchN2 High Pressure Rotor SpeedNAA National Aviation AuthorityNAC NacelleNAC Nacelle Air CoolingNAC STA Nacelle StationNACA National Advisory Committee for Aeronautics
NAI Nacelle Anti-IcingNAS Navy and Army StandardNASA National Aeronautics and Space AdministrationNatCo National CompanyNATS North American Telephone SystemNAV NavigationNAVAID Navigation AidNBCM Normal Brake Control ManifoldNBF Network BITE FunctionNBPT No Break Power TransferNBS National Bureau of StandardsNBSELV Normal Brake Selector ValveNC Normally ClosedNCC Nacelle Compartment CoolingNCD No Computed DataNCH Noise Compensated HeadsetNCR NSS Communication RouterNCU Navigation Computer UnitNCU NSS Control UnitNCV Nacelle Cooling ValveND Navigation DisplayND Navigation DatabaseNDB Navigation Data BaseNDB Non-Directional Radio BeaconNDB Non-Directional BeaconNDM Noise Definition ManualNDT Non-Destructive TestNEG NegativeNFC Not Fully ClosedNFO Not Fully OpenNFOV Narrow Field of ViewNHA Next Higher AssemblyNLA Non-Listed AssemblyNLCP Noise Level Calculation ProgramNLG Nose Landing GearNM Nautical MileNm Moment (Newtonmeter)NMI Non Maskable InterruptNO Normal OperationNO Normal Operation in SSMNO Normally OpenNo NumberNonflaG Non-Flammable Compressor GasNOPT No Procedure Turn RequiredNORM NormalNORM ALIGN Normal AlignmentNOTAM Notice to Airmen
NOVOLRAM Non-Volatile Random Access MemoryNOVOLRAM Non-volatile Random Access MemoryNP Non ProcurableNPN Negative-Positive-NegativeNPT National Taper Pipe (Thread)NPV Net Present ValueNRC Non-Recurring CostNRP Navigation Reference PointNRZ Non Return To ZeroNS No SmokingNSA Norme Sud AviationNSCM NATO Supply Code for ManufacturersNSDW Non Specific Design WorkNSIU Nose Static Interface UnitNSS Network Server SystemNSU Network Server UnitNTM Nondestructive Testing ManualNTO No Technical ObjectionNTSC National Television System CommitteeNTWK NetworkNUA Normal Unlock ActuatorNUM NumericalNVM Non-Volatile MemoryNVM Non Volatile MemoryNW Nose WheelO OpenO OrangeO/C Open CircuitO/P OutputO2 Oxygen (Symbol)OADMT Overall Aircraft Design Management TeamOAMS Onboard Asynchronous Messaging ServiceOANC OANSOASI
Onboard Airport Navigation Computer Onboard Airport Navigation System Operation and Service Instruction Manual
OAT Outside Air TemperatureOBCE On-Board Control EquipmentOBCEww On-Board Control Equipment worldwide OBOGS On Board Oxygen Generation System OBRM On Board Replaceable ModuleOBS Omni Bearing SelectorOBS Organization Breakdown StructureOBSV ObservationOBSVR ObserverOC On ConditionOC OC Open CircuitOC Overcurrent Order CardOC Oceanic Clearance
OCCPD OccupiedOCCPNT OccupantOCL Obstacle Clearance LimitOCM Outflow valve Control ModuleOCM Out of Control MonthsOCS Obstacle Clearance SurfaceOCS Overall Customer SatisfactionOCSM Outflow valve Control and Sensor ModuleOD ODU Outside Diameter Optical Display UnitOEB Operating Engineering BulletinOEM Original Equipment Manufacturer
Operational Empty Weight OverfrequencyOnboard Flight Data Monitoring Off Reset
OFFR Off/ResetOFMV Oil Flow Management ValveOFST OffsetOFV Outflow ValveOG Operational GroupOGV Outlet Guide VaneOH Opposite HandOHDS OverHeat Detection SystemOHDU Overheat Detection UnitOHP Overhead PanelOHSC Overhead Stowage CompartmentOHU Optical Head UnitOI Operational InterruptionOIS Onboard Information SystemOIT Oil Inlet TemperatureOIT Operator Information TelexOIT Onboard Information TerminalOJT On Job TrainingOK CorrectOLIVER Output Level Intended for Very Excellent
ReproductionOLMS Operational Loads Monitoring SystemOLW Operational Landing WeightOM Overhaul ManualOM Outer MarkerOMM Overhaul Manual ManufacturerOMS Onboard Maintenance SystemOMT Onboard Maintenance TerminalOMTBF Observed Mean Time between FailureOMTS On-Board Mobile Telephony SystemOMV Overhaul Manual VendorONS Omega Navigation SystemOOT Oil Outlet TemperatureOP Operational
OEW OF OFDM OFF/R
OP OpalescentOPAL Order Processing Automated LineOPC Operational Program ConfigurationOPER Operative/Operation/OperatingOPMS Oleo Pressure Monitoring SystemOPNG OpeningOPP OppositeOPS OperationsOPS Operational Program SoftwareOPT OptionalOPT OptimumOPTL OptionalOPTS Oleo Pressure and Temperature SensorOPU Overspeed Protection UnitOPV Overpressure ValveOR Operational ReliabilityORF OrificeOrg Per Organic PeroxideORM Onboard Replaceable ModuleORT Owner Requirement TableORVD Overpressure Relief Valve with Dump FunctionORZ Omni Range ZeroOS Operating SystemOSC OscillatorOSCU Oxygen System Control UnitOSG Overspeed Safety GovernorOSS Option Selectable SoftwareOTD On Time DeliveryOTH On Time HandoverOTOW Operational Take-Off WeightOU Outlet UnitOUT OutletOUT OutputOUTB OutboundOUTBD OutboardOUTFLW OutflowOUTR OuterOV OverOVBD OverboardOVF Over FrequencyOVFL OverflowOVHD OverheadOVHT OverheatOVLD OverloadOVPRESS OverpressureOVRD OverrideOVSP Overspeed
OVSTEER OversteerOVV OvervoltageOW Outer WingOWD Open World DiodeOWE Operating Weight EmptyOXY OxygenOxy M Oxidizing MaterialOZ OunceP PurpleP Roll RateP PressureP(-+ OFF) Polarity (minus, plus, off)P.ALT Profile AltitudeP.CLB Profile ClimbP.DES Profile DescentP.EPR Profile EPRP.MACH Profile MachP.N1 Profile N1P.SPD Profile SpeedP/B PushbuttonP/BSW Pushbutton SwitchP/C Printed CircuitP/L PayloadP/P ROM Preprocessor ROMPA Passenger AddressPA Public AddressPa PascalPA AMP Passenger Address AmplifierPAD Partner Agreement DocumentPADS Pneumatic Air Distribution SystemPAL Programmable Array LogicPAR Precision Approach RadarPARAM ParameterPARK ParkingPAS Pitch Attitude SensorPATCC Production Aircraft Test Completion CertificatePATM Production Aircraft Test ManualPATS Passenger Air-to-Ground Telephone SystemPAX PassengerPB Policy BoardPb Pressure AmbientPBE Protective Breathing EquipmentPBIT Power-Up Built-in TestPBM Power Plant Build-up ManualPBS Product Breakdown StructurePBSELV Park Brake Selector ValvePBSW Pushbutton Switch
PC Pack ControllerPC Packing CardPC Personal ComputerPCA Positive Control AirspacePCA Portland Cement AssociationPCB Printed Circuit BoardPCD Performance Compliance DocumentPCDM Primary Contactor Driver ModulePCDS Primary Contactor Driver SystemPCE Personal Consumption ExpendituresPCF Passenger Cum FreighterPCM Power Conditioning ModulePCM Pulse Code ModulationPCOS Power Cowl Opening SystemPCPU Primary COS Power UnitPCT PercentPCT Probe Compensator TemperaturePCU Passenger Control UnitPCU Power Control UnitPCU Power Controller UnitPD Principle DiagramPD Pitch DiameterPDC Procurement Data CardPDC Panel Display CatalogPDCS Power Distribution Control SystemPDDC Provisioning Descriptive Data CardPDF Portable Document FormatPDL Portable Data LoaderPDLCU Privacy Door Lock Control UnitPDLS Privacy Door Lock SystemPDM Post Delivery Modification MaterialPDM Product Data ManagementPDM Privacy Door ModulePDMC Power Distribution Maintenance ComputerPDMI Power Distribution Maintenance InterfacePDO PW (A330)PDRC Procurement Data Reference CardPED PedestalPED Portable Electronic DevicePEDMU Primary Electrical Distribution Management UnitPEF Pylon Extension FairingPEM Performance Engineers ManualPEP Performance Engineers ProgramPEPDC Primary Electrical Power Distribution CenterPERC PercussionPERF PerformancePERM Permanent
PES Passenger Entertainment (System)PES Production Engineering SpecificationPES Passenger Entertainment SystemPESAR Passenger Entertainment System Audio ReproducerPESC PES ControllerPESMMUX Passenger Entertainment System Main MuxPF Pilot FlyingPF PFD Power FactorPFEV Primary Flight Display Power Failure EventPFF Pre-First FlightPFIN Power Failure InterruptPFIS PFQ Passenger Flight Information System Preselected Fuel QuantityPFR Post Flight ReportPFS Pre-Feasibility StudyPFTU Pedal Feel and Trim UnitPG PagePG BUS Program BusPH PhasepH Acidity or AlkalinityPHA Preliminary Hazard AnalysisPHC Probe Heat Computerphi Bank Anglephi N Nominal Bank AnglePHR Pounds per HourPI Procedure Turn to an InterceptPIA Programmable Interface AdapterPIA Peripheral Interface AdapterPIH Pressure Interstage Hydraulic (PW eng)PIM Programming and Indication Module
PIN PROG PIPC Pin Programming
PIR Power Plant Illustrated Parts Catalog Pressure Interstage ReturnPilot ReportPassenger Interface and Supply Adapter
PM Pounds per MinutePMA Parts Manufacturing ApprovalPMA Permanent Magnet AlternatorPMAT Portable Multipurpose Access TerminalPMC Power Management Control, ControllerPMC Process Material ControlPMC Power Management Control,controllerPMDB Production Management Data BasePMG Permanent Magnet GeneratorPMITS Project Management Information
Technology SystemPMM Personalization Memory ModulePMO Project Management OfficePMP Performance Monitoring ProgramPMP PumpPMP Primary Maintenance ProcessPMR Performance Maintenance RecorderPMS Process and Material SpecificationPMU Power Management UnitPMUX Propulsion MultiplexerPMUX Power Plant MultiplexerPN Part NumberPNEU PneumaticPNF Pilot Non FlyingPNL PanelPNP Positive-Negative-PositivePNR Part NumberPO Purchase OrderPO PickoffPOB Pressure-Off BrakePOM Production Organisation ManualPOR Point of RegulationPOS PositionPOST Power on Self TestPOT PotentiometerPOXIP Passenger Oxygen Indication PanelPPB Provisioning Parts BreakdownPPBU Power Plant Build UpPPC Phosphor Protection CircuitPPDC Provisioning Procurement Data CardPPDES Product Performance Data Exchange
SpecificationsPPE Proofreading Process EvidencePPI Plan Position IndicatorPPIPC Power Plant IPCPPM Performance Programs ManualPPM Pulse Position Modulation
PPM Parts per MillionPPOS Present PositionPPU Position Pickoff UnitPQAS Program Quality Assurance SystemPR PressurePR Power Ready RelayPR Progress MeetingPR Regulated Pressure (downstream of bleed valve)PRAM Prerecorded Announcement and MusicPRB ProbePRCSG ProcessingPRCSR ProcessorPREAMP PreamplifierPRECOOL PrecoolerPRED PredictionPRE-EMPT Pre-emptivePREREC PrerecordedPRES POS Present PositionPRESEL Preselection, PreselectorPRESS Pressure, Pressurization, PressurizePREV PreviousPRF Interrogation RatePRGM ProgramPRI PriorityPRIM PrimaryPRIM PRIMary SystemPRIMES Product Related Information Management Enterprise SystemPRL ParallelPROC ProcedurePROC T Procedure TurnPROF ProfilePROG ProgressPROG Program, ProgrammingPROJ ProjectorPROM Programmable Read Only MemoryPROS Present PositionPROT ProtectionPROX ProximityPRPHL PeripheralPRR Power Ready RelayPRSRZ PressurizePRSRZG PressurizingPRV Pressure Regulating ValvePS Process SolutionPSCU Proximity Switch Control UnitPSDU Power Supply Decoupling UnitPSI Pound per Square Inch
PSIA Pounds per Square Inch AbsolutePSIC Proximity Sensor Interface CardPSIG Pounds per Square Inch GagePSIU Passenger Service Information UnitPSNR PositionerPSPM Product Support Procedures ManualPSQM Propulsion System Quality ManagementPSS Passenger Services SystemPSSA Preliminary System Safety AssessmentPSTN Public Switch Telephone NetworkPSU Passenger Service UnitPSU Power Supply UnitPSUD Passenger Service Unit DecoderPSV Planned Shop VisitPT PointPT Switching Pressure of HP ValvePT CODE Part CodePTC Positive Temperature CoefficientPTDC Provisioning Technical Data CardPTM Performance Training ManualPTP Programming and Test PanelPTR Push to ResetPTR PrinterPTS Purchaser Technical SpecificationPTT PTT Push to Test Push-to-TalkPTT Push-to-TestPTU Power Transfer UnitPTU Power Transformer UnitPU Pick UpPU Panel UnitPU PU PURS Parts Usage Processing Unit PurserPVC Polyvinyl ChloridePVD Para Visual DirectorPVI PVIS Paravisual IndicatingPW Passenger Visual Information System Pratt and WhitneyPW Pratt & WhitneyPWCU P Potable Water Control Unit PWIP Potable Water Indication Panel PWM Pulse Width Modulator
PWR PowerPWS Predictive WindShear PWS Potable Water System
PWSP Potable Water Service PYL Panel PylonQA Quality AssuranceQAD Quick-Attach-DetachQAM Quadrature Amplitude Modulation
QAR Quick Access RecorderQAT Quadruple ARINC TransmitterQC Quick ChangeQC Quality ControlQD Quick DonningQDB Quality Directors BoardQDR Magnetic Heading to a StationQEI Quality Event InformationQF Quality Task ForceQIG Quality Improvement GroupQIR Quality Improvement RequestQLB Quality Log BookQMS Quality Management SystemQMU QAM Modulator UnitQPL Qualified Products ListQRH Quick Reference HandbookQSR Quarterly Service ReportsQSR Quality Survey Reportqt Imperial quart or United States quartQT Quart (US)QTE True Heading to a StationQTY QuantityQTZ QuartzQUJ True Radial from a StationR RedR RadiusR ReleaseR RankineR ResetR ResistorR Yaw RateR RightR&D Research and DevelopmentR/A/G Red/Amber/GreenR/AD Retro/Adaptation DrawingR/C Rate of ClimbR/D Rate of DescentR/H Radar HeightR/hr Roentgens per HourR/I Radio/InertialR/I Removal/InstallationR/L Reading Lightr/min Revolutions per MinuteR/T Receiver Transmitter UnitR/T Radio TransmitRA Resolution AdvisoryRA Redundancy Assurance
RA Radio Altimeter, Radio AltitudeRAAS Runway Awareness and Advisory SystemRAC Rules of the Air and Air Traffic ControlRAC Rotor Active ClearanceRACC Rotor Active Clearance ControlRACON Radar BeaconRACSB Rotor Active Clearance Start BleedRAD RadioRAD Random Access DeviceRAD Roll Anticipation DistanceRADCON Radar Data ConverterRadM Radioactive MaterialRADVR Random Access Digital Video ReproducerRAG Repair Assessment GuidelinesRAI Ram Air InletRAIL Runway Alignment Indicator Light SystemRAIMS Radio and Audio Integrating Management SystemRALTU Reprogrammable Annunciator Light Test UnitRAM Random Access MemoryRAPCON Radar Approach ControlRAS Repair Design Approval SheetRASC Reservoir Air Supply CoolerRASCI Responsible, Accountable, Support, Consulted, InformedRAT Ram Air TurbineRAT Ram Air TemperatureRATC Remote Air Traffic ControlRAX Random Access Transfer MemoryRBN Radio BeaconRBP Right Bottom PlugRC Reference ChordRC Repetitive ChimeRC Recurring CostRCC Remote Control CenterRCC Remote Charge ConverterRCCB Remote Control Circuit BreakerRCCBM RCCB ModuleRCCU Remote Calibration Control UnitRCDG RecordingRCDR RecorderRCL RecallRCLM Runway Center Line MarkingRCLS Runway Center Line Light SystemRCP Reverse Current ProtectionRCPT ReceptacleRCPTN ReceptionRCSM Resident Customer Support ManagerRCT Rear Center Tank
RCVR ReceiverRCVY RecoveryRD Retro DrawingRD Right DisplayRDC Remote Data ConcentratorRDDMI Radio Dual Distance Magnetic IndicatorRDNG ReadingRDY ReadyREADG ReadingRECIRC Recirculate, RecirculationRECOG RecognitionRECONF ReconfigurationRECT RectifierRED ReductionREDCR ReducerREDUND RedundancyREF ReferenceREF ALIGN Reference AlignmentREFLNG RefuelingREFR RefrigeratorREFUEL RefuelingREG RegulatorREG RegisterREGUL RegulationREIL Runway End Identification LightsREL ReluctanceREL Releaserem/hr Rems per HourREP Reporting PointREP RepositoryREPL BY Replaced byRES ResistanceRET RetractRET ReturnRETR RetractRETRD RetractedRETRG RetractingRETRN RetractionREV ReverseREV Revise, RevisionRF Radio FrequencyRFA Request for AmendmentRFC Request for ChangeRFC Request For Comments For comments from IETFRFI Request for InformationRFI Radio Frequency InterferenceRFP Request for Proposal
RFR Request for RevisionRFS Request for ServiceRFS Regardless of Feature SizeRFS Reason for SelectionRFTI Request For Technical InformationRFU Radio Frequency UnitRFW Request for WorkRFX Generic term for an RFI, RFTI or RFPRGLRD RegulatedRGLTG RegulatingRGLTN RegulationRGTR RegisterRH Right HandRHEO RheostatRHL Rudder Hinge LineRJB Radio Junction BoxRK RackRLA Reverser Lever AngleRLG Ring Laser GyroR-LMF Right Side Local Maintenance FunctionRLS Remote Light SensorRLS Right Line Select KeyRLSED ReleasedRLTD RelatedRLY RelayRM Radio MagneticRMCU Remote Magnetic Compensation UnitRMI Radio Magnetic IndicatorRMO Retrofit Modification OrderRMO Request for Modification OrderRMO Retrofit Modification OfferRMP Right Middle PlugRMP Radio Management PanelRMP Radio and Audio Management PanelRMS Root Mean SquareRMT RemoteRMU Radio Management UnitRNAV Area NavigationRNG RangeRNI Radio Navigation IndicatorRoI Return on InvestmentROLR RollerROLS Remote Oil Level SensorROM Read Only MemoryR-OMS Right Side Onboard Maintenance SystemROTG RotatingRPCU Residual Pressure Control Unit
RPDR ReproducerRPF Reporting Processing FunctionRPG Report Program GeneralRPLNT RepellentRPM Revolution per MinuteRPSA Rotating Pressure Sensing AssemblyRPTG ReportingRPTG RepeatingRPTR RepeaterRPU Receiver Processor UnitRQ Recommended QuantityRQRD RequiredRR Low or Medium Range Frequency Radio Range StationRR Rudder RibRR Rolls RoyceRS Repeating StrokeRS Rear SparRSA Request for Service AllowanceRSP Responder BeaconRSPL Recommended Spare Parts ListRSR Route Surveillance RadarRSS Root Sum SquareRSS Receiver Surveillance SystemRST ResetRSU Raster Shading UnitRSV ReserveRSVR ReservoirRTA Receiver Transmitter ARINCRTC Real Time ClockRTCA Radio Technical Commission for AeronauticsRTE RouteRTF Radio TelephonyRTF Rich Text FormatRTG RatingRTK Revenue Tonne KilomètreRTL Rudder Travel LimitingRTLU Rudder Travel Limiting UnitRTM Real Time MonitoringRTN ReturnRTNR RetainerRTO Rejected TakeOffRTOLW Runway Takeoff and Landing Weight RTOW Runway Takeoff WeightRTR Right Top Plug RouterRTRSW Rotary SwitchRTRY RotaryRTS RTT Return to Seat Return To Tank
RTU Rate of Turn UnitRTU Radar Transceiver Unit RUD RudderRVCP Remote Video Control PanelRVDT Rotary Variable Differential TransducerRVR Runway Visual Range RVS ReverseRVSM Reduced Vertical Separation MinimumRVSN ReversionRVT RivetRVT Rotary Variable TransformerRWDSRWKRWY RunwayRZ Return to ZeroS S Souths Minimum Slat Retract Speed (EFIS) SecondS/C S/D Step Climb Step DescentS/H Sample and HoldS/MECH Shortening MechanismS/R Safety/ReliabilityS/W SA Software Stress AnalysisSA Single AisleSACU Stand Alone Compensator UnitSAD Spares Advance DataSAD Stress Analysis DataSADF Spares Advance Data FormSAE Society of Automotive EngineersSAF SafetySAFD SafetiedSAL System Address LabelSALS Short Approach Light SystemSALSA Spot Array Light Supply AdapterSAM Stress Analysis ManualSAR Smart Access RecorderSAS Static Strength Approval SheetSAT Static Air TemperatureSATCOM Satellite CommunicationSAV Starter Air ValveSB Service BulletinSBB Swift BroadbandSBD Single Blade DoorSBDB Service Bulletin Data BaseSBEW Standard Basic Empty WeightSBI Service Bulletin IndexSBL Symbol
Rearwards Rework
SBS Service Bulletin Effectivity ScheduleSC Source CodeSC ScaleSC Single ChimeSCAV ScavengeSCCS Sub-Contract Control SheetSCE SourceSCE Showing Compliance EngineerSCFM Standard Cubic Feet Minute of Gaseous AirflowSCG System Configuration GuideSCH SchematicSCI Secure Communication InterfaceSCL Software Configuration LibrarySCL Software Control LibrarySCN Specification Change NoticeSCO Section ControlSCO Section ControllerSCR ScrewSCR Specification Change RequestSCS Single Channel SimplexSCS Supplemental Cooling SystemSCU Supplemental Control UnitSCU System Control UnitSCUP ScupperSD System DrainSD System DisplaySDAC System Data Analog ConverterSDAC System Data Acquisition ConcentratorSDAU Special Data Acquisition UnitSDB Signals Data BaseSDCU Smoke Detection Control UnitSDD System Description DocumentSDF Smoke Detection FunctionSDG Spares Data GuideSDI Source Data IdentifierSDI Source/Destination IdentifierSDN System Description NoteSDOF Single Degree of FreedomSDP Steering Disconnect PanelSDTM Structure Description Training ManualSDU Seat Display UnitSDU Satellite Data UnitSDW Specific Design WorkSE Simplified EnglishSE SectionSEAL SealingSEB Seat Electronic Box
SEB Service Evaluation BulletinSEC Spoiler Elevator ComputerSEC SecondarySEC SECondary ComputerSECT SectionSEG SegmentSEL Select, Selected, Selector, SelectionSELCAL Selective Calling SystemSELV Selector ValveSENS SensitivitySEP SeparatorSEPDC Secondary Electrical Power Distribution CenterSEQ Sequence, Sequential
SER Serial Number
SER SerialSER/PRL Serial to ParallelSERNO Serial NumberSES Support Equipment SummarySES Supplier Equipment SpecificationSET SettingSF Spot FaceSFC Specific Fuel ConsumptionSFCC Slat Flap Control ComputerSFCC Sideways Facing Crew CockpitSFCC Sideways Facing Crew ConfigurationSFE Seller Furnished EquipmentSFPI Slats/Flaps Position IndicatorSFPM Surface Feet per MinuteSG Stroke GeneratorSGCU Smart Galley Control UnitSGML Standard Generalized Markup LanguageSGP Stroke Generator ProcessorSGU Symbol Generator UnitSH SheetSH ABS Shock AbsorberSHADE Schedules Airbus Data ExchangeSHCM System Heating Control ModuleSHDBL SheddableSHED Sheddable, SheddingSHKR ShakerSHLD Shield, ShieldingSHN Scratch Hardness NumberSHPNG ShippingSHR PN Shear PinSHRD ShroudSHT Short
SI Systeme InternationalSI Slip IndicatorSIAP Structural Inspection Adjustment ProgramSIC System Isolation ContactorSID Standard Instrument DepartureSID System Interface DefinitionSIDP System Installation Design PrinciplesSIE Surface Industrielle EtendueSIF Selective Identification FeatureSIF Spares Information FileSIG SignalSIL Service Information LetterSIL Speech Interference LevelSIL Software Information LibrarySIM SimulationSIN SineSIR Service Identification RequestSIRD System Installation Requirement DossierSIRU Secure Interface Router UnitSIS Spares Investment StudySIS Standalone Identification SystemSIU Server Interface UnitSIV Standard Item VariationsSJC Standard Job CardSKT SocketSL Service LetterSL Sea LevelSLA Small Light AdapterSLD Slide, SlidingSLI System Level IntegrationSLL Shelf Life LimitationSLMC Service Life Limits and Maintenance ChecksSLP Space Limited PayloadSLS Side Lobe SuppressionSLS Shop Loadable SoftwareSLT SlatSLV SleeveSM Standards ManualSMA Single Motor ActuatorSMART Standard Modular Avionics Repair and TestSMC System Manager ControllerSME Subject Matter ExpertSMEL Seat-Mounted Emergency LightSMK SmokeSML SB Modification Crossreference ListSMO Stabilized Master OscillatorSN Serial Number
SNGL SingleSNIF Sensitivity for Normal InterfaceSNMP Simple Network Management ProtocolSNSG SensingSNSR SensorSO ShutoffSOL SolenoidSOP Standard Operating ProcedureSOR Statement of RequirementsSOS Sell or ScrapSOTM System Operation Training ManualSOV Shut-off ValveSOV Shut-Off ValveSOW Statement of WorkSP SamplingSP SpaceSPAD ScratchpadSPASE Single Point Audio System EarthSPATIAL System for Acquisition and Processing of ARINC and LogicSPC Spare Parts ClassificationSPD SpeedSPD/M Speed-MachSPDB Secondary Power Distribution BoxSPE Seller Purchased EquipmentSPE Supplier Purchased EquipmentSPEC SpecificationSPF Specific Pathogen FreeSPFK SpecificSPKR SpeakerSPL Sound Pressure LevelSPLC SpliceSPLR SpoilerSPLY SupplySPM Signal Processing ModuleSPMC Service Process Material ControlSPMG Shorted Permanent Magnet GeneratorSPOP Service Process Operation ProcedureSPP Software Pin ProgrammingSPPF Software Pin Programming FunctionSPR Service and Performance ReportSPRDR SpreaderSPRT SupportSPS Service Process SolutionSPS/B Superseded bySPSA Supplier Product Support AgreementSPST Single Pole Single ThrowSQ Squelch
SQ-FT Square-FeetSQW Square WaveSR SeniorSRD Shorted Rotating DiodeSRD System Requirement DocumentSRE Surveillance Radar Element of GCASRF Servicing and aircraft condition parameters Reporting FunctionSRKL Structural Repair Kit ListSRKM Structural Repair Kit ManualSRM Structural Repair ManualSRP Safety / Reliability PlanSRPS Safe Redundant Power SupplySRPSU Slide Release Power Supply UnitSRS Speed Reference SystemSRU Shop Replaceable UnitSS Sky/ShadingSSA System Safety AssessmentSSA Side Slip AngleSSA System Safety AnalysisSSALS Simplified Short Approach Light SystemSSALSR Simplified Short Approach Light System
Runway AlignmentSSB Single Side BandSSC Single Stroke ChimeSSC Supplier Support ConditionsSSCVR Solid State Cockpit Voice RecorderSSEC Static Source Error CorrectionSSFDR Solid State Flight Data RecorderSSG Single Stroke GongSSI Structural Significant ItemSSID Supplemental Structural Inspection DocumentSSM Sign Status MatrixSSM Solid State MemorySSMM Solid State Mass MemorySSP System SpecificationSSP Significant In-Service ProblemsSSPC Solid State Power ControllerSSR Secondary Surveillance RadarSSTDU Side Stick Transducer and Damper UnitSSTU Side Stick Transducer UnitSTA Straight-in-ApproachSTA StationSTAB StabilizerSTAR Standard Terminal Arrival RouteSTARTG StartingSTAT StaticSTBY Standby
STC Supplemental Type CertificateSTD Standard Data SheetSTDY SteadySTELLA STair Electrical Light Lead AdapterSTG StageSTGR StringerSTIF StiffenerSTL SteelSTL WARN Stall WarningSTOM System Operation Training ManualSTRG SteeringSTRK StrokeSTRL StructuralSTRM Short Term Review MeetingSTRM Secure open and Trip Resident MemorySTRUCT StructureSTS Spares Technical SpecificationSTS Alignment StatusSTS StatusSTWG Short-Term Working GroupSTWG StowageSTYPPLE Sensitive Typical Phone Power LevelSUBMUX SubmultiplexerSUCNL ACTN Successional ActionSUCT SuctionSUM SummingSUPPL SupplementarySUPPR SuppressorSUPSD BY Superseded bySURF SurfaceSURV SurveillanceSV ServovalveSVA Stator Vane ActuatorSVCE ServiceSVMTR ServomotorSVO ServoSW SwitchSWRD System Wiring Requirements DossierSWRD-A System Wiring Requirements Dossier maturity ASWRD-B System Wiring Requirements Dossier maturity BSWRD-C System Wiring Requirements Dossier maturity CSWTG SwitchingSWY StopwaySyA Systems ArchitectSyCDR System Critical Design ReviewSyCID System Configuration Index DocumentSyCMP System Configuration Management Plan
SyCP System Certification PlanSyCR System Certification ReviewSyD System DesignerSyDAL System Development Assurance LevelSyDAS System Development Accomplishment SummarySYM SymmetrySYN REF Synchro ReferenceSYNC Synchro, SynchroniseSYNTHR SynthetizerSYNTHR SynthesizerSYS Systemt Rivet SpacingT TRUET TurnT TrimT Timet Equivalent Runway Thicknesst TonneT ThicknessT/C Top of ClimbT/C Type CertificateT/D Top of DescentT/F Track of a Fixed WaypointT/R Thrust ReverserT2C HP Compressor Inlet TemperatureT2CAS Traffic and Terrain Collision Avoidance SystemT54 Low Pressure Turbine Inlet TemperatureTA Traffic AdvisoryTA Twin AisleTAB Tabulation and Interpolation ProgramTAB Test and Bite PanelTAC Taxiing Aid CameraTAC Technical Acceptance CompletionTACAN Ultra-high Frequency Tactical Air Navigation AidTACH TachometerTACS Taxiing Aid Camera SystemTACT TacticalTADB Terrain/Airport DataBaseTADD Trim Air Drive DeviceTAP Transient Acoustic PropagationTAR Terminal Area Surveillance RadarTAS True AirspeedTAT Total Air TemperatureTAWS Terrain Awareness and Warning SystemTB Terminal BlockTBC To Be ConfirmedTBO Time Between Overhauls
TBSV Time Between Scheduled VisitsTBU Time Base UnitTBV Transient Bleed ValveTC ThermocoupleTC Takeoff ChartsTC Theoretical ContourTC HP Turbine Case PressureTCA Throttle Control AssyTCAS Traffic Alert and Collision Avoidance SystemTCC Turbine Clearance ControlTCC Thrust Control ComputerTCC Turbine Case CoolingTCCS Thrust Control Computer SystemTCFN Two's Complement Fractional NotationTCIU Telephone Communication Interface UnitTCM Technical Coordination MeetingTCM Thrust Control MalfunctionTCP Takeoff Charts Computation ProgramTCP Transmission Control ProtocolTCQ Time, Cost and QualityTCS Temperature Control SystemTCU Throttle Control UnitTD Time DelayTD Technical DossierTD Technical DispositionTDC Time Delay ClosingTDCR Type Design Change RequestTDD Technical Design DirectiveTDO Time Delay OpeningTDP Touchdown PointTDS Technical Data SheetTDSC Technical Data Steering CommitteeTDU Time Display UnitTDU Technical Description UnitTDY Temporary DutyTDZL Touchdown Zone LightsTE HP Stage Air TemperatureTE Trailing EdgeTEC Turbine Exhaust CaseTED Tool and Equipment DrawingTEDB Tool and Equipment Data BankTEFO Total Engine Flame OutTEI Tool and Equipment IndexTEL TelephoneTELECOM TelecommunicationsTEM Illustrated Tool and Equipment ManualTEMP Temperature
TEMP Test and Evaluation Master PlanTEO Engine Oil TemperatureTER Technical Event ReportTEST SIG Test SignalTF Task ForceTFR Trouble and Failure ReportTFR TransferTFTS Terrestrial Flight Telephone SystemTFU Technical Follow-upTGB Transfer GearboxTGL Touch-and-Go LandingTGT TargetTHD ThreadTHERAP TherapeuticTHMS ThermistorTHR ThrustTHRM ThermalTHRMST ThermostatTHROT ThrottleTHROT PUSH Throttle PusherTHS Trimmable Horizontal StabilizerTI Technical InstructionTI Technical InformationTI Track to an InterruptTIA Type Inspection AuthorizationTIC Turbine Impingement CoolingTICC Technical Information and Communication CommitteeTID Technical Information DocumentTID Technical Impact DifferenceTIFF Tagged Information File FormatTIR Technical Incident ReportTIR Type Inspection ReportTIT Turbine Inlet TemperatureTK Ground Track AngleTK TankTKE Track Angle ErrorTKE Track ErrorTL Tooling ListTL Transmittal LetterTLA Throttle Lever AngleTLAR Top Level Aircraft RequirementTLB Technical Log BookTLC Takeoff and Landing Chart Computation ProgramTLCS Trolley Lift & Conveyance SystemTLMC Time Limits and Maintenance ChecksTLS Transcowl Locking SystemTLS Trolley Lift System
TLSRD Top Level System Requirement DocumentTLU Travel Limitation UnitTLV Tertiary Lock ValveTM Terminal ModuleTM Torque MotorTM Transportability ManualTMA Terminal Control AreaTMA Twin Motor ActuatorTMC Target Must CostTMG TimingTMLB Technical and Maintenance LogBookTMR TimerTN Technical NoteTO TakeoffTO/APPR Takeoff/ApproachTOC Table of ContentsTOD Takeoff DistanceTOGA Takeoff/Go AroundTOGW Takeoff Gross WeightTOIL ToiletTOL ToleranceTOPA TakeOff Performance ApplicationTOR Takeoff RunTOT TotalTOT Transfer of TitleTOW Takeoff WeightTOW TowingTP Top PlugTP Test PointT-P Turn PointTPA Technical Publications AgreementTPCI Technical Publications Combined IndexTPG Technical Publications GuideTPGG Technical Publications General GuideTPIB Technical Publications Illustration Bank TPIC Tire Pressure Indicating Computer TPIS Tire Pressure Indicating SystemTPMM Technical Publications Management MeetingTPOP Technical Publications Output PlanningTPPP Technical Publications Production PlanningTPRD Technical Publications Reference DocumentTPS Temporary Protection SystemTPSP Third Party Software ProviderTPU Terminal Processor UnitTPWD Technical Publications Work Sharing DocumentTR Temporary RevisionTR Regulated Temperature (Downstream of precooler)
TR Transformer RectifierTR Thrust ReverserTR Turn RadiusTR TrussTR TransistorT-R Transmitter-ReceiverTRA Test Report AnalysisTRACON Terminal Radar ControlTRANS TransitionTRANSF TransferTRC Thrust Rating ComputerTRGT TargetTRIG TriggerTRK TrackTRK Track (angle)TRLY TrolleyTROPO TropopauseTRP Thrust Rate Panel - Thrust Rating PanelTRQE TorqueTRQR TorquerTRS Technical Repercussion SheetTRT Turn Round TimeTRTO Type Rating Training OrganisationTRU TRUETRU Transformer Rectifier UnitTRV TravelTS Trim SheetTSD Trouble Shooting DataTSDB Trouble Shooting Data BaseTSF Trouble Shooting FunctionTSH Trouble Shooting HandbookTSI Time Since InstallationTSLSV Time Since Last Shop VisitTSM Trouble Shooting ManualTSO Time Since OverhaulTSO Technical Service Order (FAA)TSO Technical Standard OrderTSP Tank Signalling ProcessorTSPA Tank Signal Processor ATSPB Tank Signal Processor BTST TestTT Trim TankTT Switching Temperature of HP ValveTT Total TimeTTG Time to GoTTL Transistor Transistor LogicTTR Technical Trouble Report
TTS Trim Tank SystemTU Tapping UnitTURB Turbulence, TurbulentTURB TurbineTV TelevisionTVBC Turbine Vane and Blade CoolingTVC Turbine Vane CoolingTVOR Short Range VORTVOR Very High Frequency Terminal Omnirange StationTW TwistedTWLU Terminal Wireless LAN UnitTWR TowerTWY TaxiwayTX Transmission (TCAS to Transponder)TYP TypicalTYPPLE Typical Phone Power LevelÚ Pitch AttitudeU/FLOOR UnderfloorU/S UnserviceableUAC Upper Area Control CentreUADF User Application Definition FileUART Universal Asynchronous Receiver TransmitterUCS User Certifiable SoftwareUD Upper DeckUD Document Unit ("Unité Documentaire")UDC Upper Deck CargoUDCC Upper Deck Cargo CompartmentUDCD Upper Deck Cargo DoorUDL Unit Detail ListingUDP User Datagram ProtocolUEB Underseat Electronic BoxUF UnderfrequencyUHF Ultra High FrequencyUICDL User Interface Configuration Download ListULB Underwater Locator BeaconULD Unit Load DeviceULLI Understep LED LightULM Ultra Low MaintenanceUMS User Modifiable SoftwareUNBAL Unbalance, UnbalancedUNCPLG UncouplingUNCRCTD UncorrectedUND UnderUNIV UniversalUNLK UnlockUNLKD Unlocked, UnlockingUNSD Unused
UPLK UplockUPPR UpperUPR UpperUR Utilization RateUS United StatesUS Under SpeedUS UpstreamUSB Universal Serial BusUSB Upper Side BandUTA Upper Control AreaUTC Universal Time CoordinatedUUT Unit Under TestUV Under VoltageUV Ultra-VioletUVEROM Ultra Violet Erasable Read Only MemoryUWBS Universal Wireless Backbone SystemUWY Upper AirwayV VioletV Volt, VoltageV ValveV&V Verification & ValidationV/L VOR/LOCV/L VOR/LocalizerV/S V1 V1 V2 Vertical SpeedV2min Critical Engine Failure Speed Decision Speed
Takeoff Safety SpeedMinimum Takeoff Safety Speed
V3 V4 Flap Retraction Speed Slat Retraction SpeedVA Design Maneuvering SpeedVA Heading with an Altitude TerminationVAC Voltage Alternating CurrentVACBI Video and Computer-Based InstructionVACU VacuumVALDN ValidationVAP Visual Approach ProcedureVAR Variable, VariationVAR Visual-Aural Radio RangeVAR LEV HTY Variable Lever HealthyVASIS Visual Approach Slope Indicator SystemVB Design Speed for Maximum Gust IntensityVBV Variable Bleed ValveVC Design Cruising SpeedVC Ventilation ControllerVc Calibrated AirspeedVCU Video Control UnitVD Heading to a DME DistanceVD Design Diving Speed
VDAR Virtual DARVDC Voltage Direct CurrentVDEV Vertical DeviationVDF Very High Frequency Direction Finding StationVDFMDF Demonstrated Flight Diving SpeedVDOS Vendor Documentation On-line ServiceVDR VHF Data RadioVDU Video Display UnitVEADB Video on demand Enhanced Area Distribution BoxVEL VelocityVENT VentilationVERT VerticalVERT REV Vertical ReviseVF Design Flap SpeedVFCMFC Maximum Speed for Stability CharacteristicsVFE Maximum Flap Extended SpeedVFEN Predictive VFE at next flap/slat positionVFG Variable Frequency GeneratorVFR Visual Flight RulesVFTO Final Takeoff SpeedVG Vertical GyroVH Maximum Speed in Level Flight with Maximum Continuous PoVHCU Versatile Heating Control UnitVHDU Versatile Heating Data UnitVHF Very High FrequencyVHV Very High VoltageVI Heading to an InterceptVIB VibrationVIM Vendor Information ManualVIMU Video Multiplexer UnitVL Virtual LinkVL CAPT VOR/LOC CaptureVLE Maximum Landing Gear Extended SpeedVLF Very Low FrequencyVLLDC Very Low Level DC VoltageVLO Maximum Landing Gear Operating SpeedVLOF Lift-off SpeedVLS Lower Selectable SpeedVLV ValveVm Minimum Recommended Maneuvering SpeedVm Recommended Maneuvering SpeedVM Maneuvering SpeedVM VoltmeterVM Heading with a Manual TerminationVMAN Maneuvering SpeedVmax Maximum Operating SpeedVMAX Maximun Allowable Airspeed
VMC Minimum Control Speed with One Engine InoperativeVMC Visual Meteorological ConditionsVMCA Minimum Control AirspeedVMCG Minimum Control Speed GroundVmin Minimum Operating SpeedVMO Maximum Operating SpeedVMOMMO Maximum Operating Limit SpeedVMS Minimum Selectable SpeedVMU Video Modulator UnitVMU Minimum Unstick SpeedVNE Never-Exceed SpeedVNO Maximum Structural Cruising SpeedVOD Video On DemandVODDSU VOD Data Server UnitVODMU VOD Modulator UnitVODSU VOD Server UnitVOL VolumeVOR Very High Frequency Omnibearing RangeVOR VHF Omnidirectional RangeVOR Very High Frequency Omnirange StationVOR Very High Frequency Omnidirectional and Radio RangeVOR.D VOR-DMEVORTAC Visual Omni-Range Tactical Air NavigationVOT VoterVPSA Vendor Product Support AgreementVQAR Virtual QARVR Rotation SpeedVR Voltage RegulatorVREF Landing Reference SpeedVR-HDG Heading to a RadialVRMS Volt Root Mean SquareVRU Video Reproducer UnitVS Min Steady Flt Spd at which Airplane is ControllableVS Stalling Speed at which Airplane is ControllableVS Stall SpeedVS1 Stalling Speed obtained in a specified ConfigurationVS1 Min Steady Flt Spd obtained in a Specified ConfigurationVSB Vendor Service BulletinVSBN Vendor Service Bulletin NumberVSBT Vendor Service Bulletin TitleVSC Vacuum System ControllerVSCF Variable Speed Constant FrequencyVSCU Video System Control UnitVSD Vertical Situation DisplayVSEB Video Seat Electronic BoxVSEL Autothrottle Selected - Approach SpeedVSI Vertical Speed Indicator
VSO Stalling Speed or Minimum Steady Flight Speed in the LanVSS Stick Shaker SpeedVSV Variable Stator VaneVSVA Variable Stator Vane ActuatorVSW Stall Warning SpeedVSWR Voltage Standing Wave RatioVT Vertical TailVTOSS Takeoff Safety Speed for Category A RotorcraftVTP Vertical Tail PlaneVTR Video Tape ReproducerVTS Vacuum Toilet SystemVV Velocity VectorVWM Vendor Warranty ManualVX Speed of Best Angle of ClimbVY Speed for Best Rate of ClimbW WhiteW WireW WeightW WattW WestW/V Wind Direction and SpeedW3C World Wide Web ConsortiumWA Wind AngleWABSIC Wheel And Brake System Integrated ComponentWACS Wireless Airport Communication SystemWAI Wing Anti-IceWARN WarningWASG World Airlines and Suppliers GuideWATOG World Airlines Technical Operations
GlossaryWB Wide BodyWBA Weight and Balance ApplicationWBBC Weight and Balance Backup ComputationWBC Weight & Balance ComputerWBM Weight and Balance ManualWBS Weight and Balance SystemWBS Work Breakdown StructureWC Wording ChangeWCR Weight and Balance Compliance ReportWD Warning DisplayWD Wing DatumWD Wiring DiagramWDB Wall Disconnect BoxWDI Wind Direction IndicatorWDM Wiring Diagram ManualWDO WindowWEL Wall Emergency Light
WFOV Wide Field of ViewWG WingWG Wave GuideWG Working Group
