318/319/320321 abbreviations

ABBREVIATION TERM 3D Three Dimensional (Lat, Long, Alt)4D Four Dimensional (Lat, Long, Alt, Time)A AmpereA AlternateA AmberA AreaA AirA-D Airbus DeutschlandA-E Airbus EspanaA-F Airbus FranceA-UK Airbus UKAA Arithmetical AverageAA Airworthiness AuthoritiesAAAH Airbus Approved Abbreviations HandbookAAC Airline Administrative CommunicationsAADC Analog Air Data ComputerAAL Above Aerodrome LevelAAMG Airbus Application Management GroupAAP Additional Attendant PanelAAR Air to Air RefuelingABBR AbbreviationABCD Airbus Collective Data DictionaryABCM Alternate Brake Control ManifoldABCU Alternate Braking Control UnitABD Airbus Directive and ProcedureABDC Avionics Broadcast Data Collector

ABECAirbus (Beijing) Engineering Centre Company Limited

ABM AbeamABM APU Build-up ManualABN AbnormalABNORM AbnormalABRN AirborneABS Autobrake SystemABS VAL Absolute ValueABSELV Alternate Brake Selector ValveABSORB AbsorberABV Above

AC Airplane Characteristics for Airport PlanningAC Alternating CurrentAC Advisory Circular

ACARSAircraft Communication Addressing and Reporting System

ACAS Airborne Collision Avoidance SystemACC Area Control CentreACC Active Clearance ControlACCEL Acceleration/AccelerateACCESS AccessoryACCLRM AccelerometerACCU AccumulatorACCUR Accuracy

AIRBUS ABBREVIATIONS DICTIONARY - NOTESSep. 2006

FOR TRAINING PURPOSES ONLY

ADVANCED AIRCRAFT TRAINING LTD. AIRBUS ABBREVIATIONS BOOKLET of 78

ACD 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 Server

ACIAAsynchronous Communications Interface Adaptor

ACJ Advisory Circular-JointACK AcknowledgeACM Aircraft Conversion Manual

ACMAbbreviated Component Maintenance Manual

ACM Aircraft Configuration MatrixACM Air Cycle MachineACMB Aircraft Configuration Management Board

ACMMAbbreviated Component Maintenance Manual

ACMM Aircraft Configuration Meta ModelACMP Airframe Condition Monitoring ProcedureACMR Aircraft Configuration Management RulesACMS Aircraft Condition Monitoring SystemACMT Aircraft Component Management TeamACN Aircraft Classification NumberACOB Automatic Call Out BoxACOC Air Cooled Oil CoolerACP Altimeter Check PointACP 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 TankACT ActiveACT ActivityACTD ActuatedACTG ActuatingACTIV ActiveACTN ActionACTR ActuatorACTVN ActivationACTVT ActivateACU Antenna Coupler UnitACU Air Cooling UnitACVR Alternating Current Voltage RatioAD AerodromeAD Airplane DatumAD Airworthiness Directive



ADAMAirbus Spares Distribution and Materials System

ADAU Auxiliary Data Acquisition UnitADB Area Distribution BoxADC Air Data ComputerADC Airbus Delivery CentreADCL Airworthiness Directives Compliance ListADCN Avionics Data Communication Network

ADCOMSAdvanced Configuration Management System

ADCSIPAcceptance 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 SystemADIRU Air Data/Inertial Reference UnitADJ AdjustADJMT AdjustmentADM Air Data ModuleADMZ Aircraft DeMilitarized ZoneADO Airbus Documentation Office

ADOPTAirbus Design and Operational Philosophy in Training

ADPM 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 AdvisoryAEB Airline Engineering Bulletin

AECMAThe European Association of Aerospace Industries

AEDS Axle Equipment Drive Shaft

AEEC 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 Flight



AFB 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 ManualAFMC Auxiliary Fuel Management ComputerAFMR AirframerAFN ATS Facilities NotificationAFR AirframeAFS Automatic Flight System

AFTNAeronautical Fixed Telecommunication Network

AFTR 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 AccessAIDS Aircraft Integrated Data SystemAIG Accident InvestigationAIL AileronAIM Aircraft Integrated Maintenance

AIM-FANSAirbus Interoperable Modular-Future Air Navigation Sys

AIMI Avionics Information Management InterfaceAIMS Airbus Industrie Material SpecificationAIMS Airbus Inventory Management SystemAIMS Airbus Improvement Management System



AIM/CRMAirbus Integrated Management/Cockpit Resource Management

AINA Airbus North AmericaAINS Aircraft Information Network SystemAIP Attendant Indication PanelAIP 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 AllowedALPHA 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 ComplianceAMJ Advisory Material-JointAMM Aircraft Maintenance ManualAMM AmmeterAMP AmpereAMP AmperageAMPL AmplifierAMS Aircraft Modification StatusAMS Aerospace Material SpecificationAMS Aeronautical Material SpecificationsAMS Air-ground Message Server

AMTOSSAircraft Maintenance Task Oriented Support System

AMU Audio Management UnitAN Air NavigationANCE AnnounceAND Aircraft Nose DownANI Analog InputANLG AnalogicANN Annunciator



ANN 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 Printer

APASHEAircraft Publication Automated Shipping Expedite

APC 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-QualificationAPS Aircraft Prepared for ServiceAPS Auxiliary Power SupplyAPS Avionic Printing SpecificationAPS Absolute Pressure SensorAPU Auxiliary Power Unit

APU AFEAPU Automatic Fire Extinguishing Control Unit

AP/FD Autopilot/Flight DirectorAQP Advanced Qualification ProgramAR As RequiredAR Audio ReproducerARC Air Refueling ComputerARG Arresting Gear or HookARINC Aeronautical Radio IncorporatedARM Airworthiness Review Meeting



ARM Aircraft Recovery ManualARMD ArmedARMG ArmingARMT ArmamentARN Aircraft Registration NumberARND AroundARO After Receipt OrderARP Aerospace Recommended Practice

ARPAerodrome Reference Point - Airport Reference Point

ARPT 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 possible

ASCIIAmerican Standard Code for Information Interchange

ASCO 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 CircuitsASM 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 ControlATCA Air Traffic Control Board

ATCDB Aircraft Technical Characteristics Data BaseATCH Attach(ment)



ATCI Air Traffic Control and InformationATCK AttackATCRB Air Traffic Control Radar Beacon

ATCSSAir Traffic Control Data Link Signalling System

ATD Aircraft Technical DefinitionATD Actual Time of DepartureATE Automatic Test EquipmentATEC Automatic Test Equipment ComplexATI Air Transport Indicator

ATIMSAir Traffic and Information Management System

ATIS Automatic Terminal Information Service

ATLASAbbreviated Test Language for Avionics Systems

ATLAS Abbreviated Test Language for All SystemsATM Aircraft Transportability ManualATM Air Traffic ManagementATM Available Ton-MileATMG Airbus Technical Management GroupATMS Advanced Text Management System

ATN Aeronautical Telecommunications NetworkATO Authorization to OfferATR Austin Trumbull Radio

ATRCCSAutomatic Turbine Rotor Clearance Control System

ATS Air Traffic ServiceATS Airbus Technical SpecificationATS Autothrottle SystemATS Autothrust SystemATSU Air Traffic Service UnitATT AttitudeATT Attitude ReferenceATTEN AttenuationATTND AttendantATZ Aerodrome Traffic ZoneAUD AudioAUDSWTGSYS Audio Switching SystemAUDSWTGUNIT Audio Switching UnitAUTH 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 System



AWACSAdvanced Warning (on) Aircraft Commercial Sales

AWB Air WaybillAWG Audible Warning GeneratorAWG 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 WeightA.ICE Anti-ice, Anti-icingA.T.I.S Airbus Technical Information SystemA/BRK AutobrakeA/C AircraftA/COLL Anti-CollisionA/D Analog/DigitalA/D Analog to Digital Converter (conversion)A/DC Analog-to-Digital ConverterA/F Auto FlightA/G Air to GroundA/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 AutothrustA/XFMR AutotransformerB BlueBAABI Basic Approved ATA Breakdown IndexBAF BaffleBAF BITE Access FunctionBAFO Best and Final OfferBAG Bandwidth Allocation GapBAL 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 Module



BCN 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 Electrique

BDLIBundesverband der Deutschen Luft-und Raumfahrt Industrie

BEA 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 BackupBL BleedBLC Basic Lines CatalogBLES Brake Life Extension SystemBLG Body Landing GearBLK BlockBLK BlackBLKT BlanketBLOW BlowerBLST BallastBLT BoltBLV Bleed ValveBLW BelowBLWG BlowingBM BeamBMC Bleed Monitoring ComputerBMI BITE Monitoring InterfaceBMS Bulletin Météo SpécialBND BondedBNDG BondingBNDRY BoundaryBNR Binary



BNR Binary WordsBO Body OdourBO Blocking OscillatorBOH Brake-Off WeightBOT BottomBOT Begin of TapeBP Bottom PlugBPTU Brake Pedal Transmitter UnitBR BrownBRC BraceBRD BraidBRDG BridgeBRG BearingBRK BrakeBRKNG BrakingBRKR BreakerBRKS BrakesBRKT BracketBRT Bright, BrightnessBSCS Braking and Steering Control SystemBSCU Braking and Steering Control UnitBSHG BushingBSU Beam Steering UnitBT Bus TieBTA Bogie Trim ActuatorBTC Bus Tie ContactorBTCM Brake Temperature Compensation ModuleBTL BottleBTMS Brake Temperature Monitoring SystemBTMU Brake Temperature Monitoring UnitBTN ButtonBTR Bus Tie RelayBTS Base Transceiver StationBTS Brake Temperature SensorBTU British Thermal UnitBU Battery UnitBUS BusbarBWS Body Wheel SteeringBYDU Back-Up Yaw Damper UnitBYP BypassB/B Back-BeamB/C Business ClassB/D Bottom of DescentC Celsius, CentigradeC CyanC CloseC Clearc Equal MarginC Cold (Electric Point)C ComparatorC Convertible

C-MOS Complementary Metal Oxyde SemiconductorC of A Certificate of AirworthinessCA Constituent AssemblyCA Cable Assembly



CA CableCAA Civil Aviation Authority

CAATS Computer Assisted Aircraft Trouble ShootingCAB CabinCAB PRESS Cabin PressurizationCAD Computer Aided DesignCADB Component for Attestation Data Base

CADETSComputer Assisted Documentation Education Tutorial System

CAG Circulation Aérienne GénéraleCAGE Commercial And Government EntityCAI Combustion Area InspectionCAL Calibration, CalibratedCALC Cargo Acceptance and Load ControlCAM Computer Aided ManufacturingCAM 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 Cargo

CAREContinuing Airframe - Health Review and Evaluation

CARE 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 Light

CA/CRLCertification Authority/Certificate Revocation List

CBAL CounterbalanceCBB Connexion By BoeingCBIT Continuous BITECBM Circuit Breaker MonitoringCBMF Circuit Breaker Monitoring FunctionCBMS Circuit Breaker Monitoring SystemCBMU Circuit Breaker Monitoring UnitCBO Cycles between Overhaul



CBORE CounterboreCBR California Bearing RatioCBS Cost Breakdown StructureCBSV Cycles Between Scheduled VisitsCC Current ComparatorCCB Configuration Control BoardCCC Crash Crew ChartCCC Component Change CardCCC Configuration Control CommitteeCCCP Compressor Cavity Control PressureCCD Cursor Control DeviceCCG Cabin Configuration Guide

CCITTConsultative Committee International Telegraphy & Teleph

CCOM 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 DiskCD-ROM Compact Disc - Read Only MemoryCD-WD Component Data Working DocumentCDAM Centralized Data Acquisition ModuleCDBT Component Design and Build TeamCDC Cargo Door ControllerCDDS Component Documentation Data SystemCDE Consumption Data Exchange CardCDIM Component Data Instruction Manual

CDIS Customization Definition Information SystemCDL Configuration Deviation ListCDLCU Cockpit Door Locking Control UnitCDLS Cockpit Door Locking SystemCDP Compressor Discharge PressureCDS Cold Drawn SteelCDS Component Documentation StatusCDS Control and Display SystemCDSS Cockpit Door Surveillance SystemCDSU Cockpit Door Surveillance UnitCDT Cabin Door TrainerCDU Control and Display UnitCDU Center Drive UnitCE Central EntityCE Change EventCECAM Centralized Cabin MonitoringCED Cooling Effect DetectorCEET Cabin Emergency Evacuation TrainerCEL Component Evolution ListCELLI Ceiling Emergency LED LightCEO Chief Executive Officer



CEPT Council of European Posts and TelegraphsCER Contrôle Essais et RéceptionCEV Clutch Electro ValveCEV Centre d'Essais en VolCF Course to a Fixed WaypointCFDIU Centralized Fault Display Interface UnitCFDS Centralized Fault Display SystemCFE Customer Furnished EquipmentCFH Cubic Feet per HourCFIT Controlled Flight Into TerrainCFM Cubic Feet per MinuteCFM Cable Fabrication ManualCFMI CFM InternationalCFP 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 System

CICS/VSCustomer Information Control System/Virtual Storage

CIDS Cabin Intercommunication Data SystemCIM Continuous Image MicrofilmCIN Change Identification NumberCINS Cabin Information Network SystemCIT Compressor Inlet TemperatureCIU Camera Interface UnitCK CheckCKD CheckedCKPT CockpitCKT Circuit



CL ClutchCL Center LineCL ClipCL Check ListCL ClimbCLB 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 ClevisCL/OP Closure/OpeningCM Conversion ManualCM Call MaintenanceCM CentimetersCM Collective ModificationCM Configuration ManagementCM Conversion ModuleCMC Central Maintenance ComputerCMD Command

CMEUCabin Passenger Management Memory Expansion Unit

CMFLR Cam FollowerCMI Computer Managed Instruction

CMITComponent Management and Integration Team

CML Consumable Material ListCMM Component Maintenance ManualCMM Calibration Memory Module

CMMMComponent Maintenance Manual Manufacturer

CMMV Component Maintenance Manual VendorCMP Customer Maintenance ProgramCMPLRY ComplementaryCMPLTD CompletedCMPNT ComponentCMPS CPLR Compass CouplerCMPTG Computing



CMPTR ComputerCMRLR Cam RollerCMS Code Matière SociétéCMS Cabin Management SystemCMS Central Maintenance SystemCMS Component Maintenance SheetCMT Cabin Management TerminalCMV Concentrator and Multiplexer for VideoCNA Common Nozzle AssemblyCNCT ConnectCNCTD ConnectedCNCTN ConnectionCNCTR ConnectorCNCTRC ConcentricCNCV ConcaveCND ConduitCNSU Cabin Network Server UnitCNTNR ContainerCNTOR ContactorCNTR CounterCNTRTR ConcentratorCO Cut-OffCO CompanyCO RTE Company RouteCOAX CoaxialCOC Customer Originated ChangeCoC Centre of CompetenceCOC Cabin Operation CenterCODD Contractual On Dock DateCoE Center of ExcellenceCOHO Coherent OscillatorCOL ColumnCOLLI COntour LED LIghtCOM CommunicationCOM CommonCOM Company Organization ManualCOM CommandCombL Combustible LiquidCOMDL Coding ModuleCOML CommercialCOMP CompensatorCOMP CompassCOMPSN CompensationCOMPT CompartmentCOMPT TEMP Compartment TemperatureCOMPTR ComparatorCOMTN CommutationCOND ConditionCOND ConditionedCOND ConditioningCONDTN ConditionCONDTR ConditionerCONFIG ConfigurationCONFIRMD ConfirmedCONSUMPT ConsumptionCONT Continue, Continuous



CONT ContourCONT ControllerCONV ConverterCOO Chief Operating OfficerCOOL CoolingCOOL CoolerCOOLG CoolingCOOLR CoolerCOORD CoordinateCOORD CoordinationCOPI CopilotCORA Customer Order AdministrationCORCTD CorrectedCORR CorrectCORR CorrugateCORR CorrugationCor.M Corrosive MaterialCOS CosineCOS 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 Coupler

CPMS 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 ControlCRE Corrosion-ResistantCRES Corrosion-Resistant SteelCRG Cargo



CRI Certification Review ItemCRK CrankCRL CollarCROSSFEEDR CrossfeederCRQ Customer RequestCRR Component Reliability ReportCRS CourseCRS Cold Rolled SteelCRS 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 Installation

CSIPCustomer Satisfaction Improvement Programme

CSK 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 CenteredCTSK Countersunk



CTU 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 CylinderC/B Circuit BreakerC/L Check ListC/M Command/MonitorC/M Crew MemberC/O Change OverC/S Call SignC/SSR Cost/Schedule Status ReportDA 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 SystemDAMP DampingDAMPG DampingdaN Load (DecaNewton)DAR Digital AIDS RecorderDAR Digital ACMS Recorder

DAS/STCDesignated Alteration Station/Supplemental Type Certific

DAU Data Acquisition UnitDB DecibelDB Data BasedB DecibelDB DatabaseDBBS Data Base Bulletin ServiceDBC Data Bus CommunicationDBD Data Basis for Design



DBLR DoublerdB(A) A-Weighted DecibelDC 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 Performance

DDRMIDigital Distance and Radio Magnetic Indicator

DDS Domain Display SwitchDDTS Digital Data Technology StandardsDDV Direct Drive ValveDEC DeclinationDECEL DecelerateDECOMPRESS DecompressionDECR DecreaseDEDP Data Entry and Display PanelDEF Definition

DEFDARSDigital 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 Deployed



DEPRESS 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 Approach

DFDAMUDigital Flight Data Acquisition and Management Unit

DFDAU 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 DiaphragmDIBU Door Illumination Ballast UnitDIFF DifferentialDIM DimmingDIM DimensionDIM Direction Input ModuleDIP Dual In-line PackageDIPLXR DiplexerDIR Direct, Direction, DirectorDIR Direction, Direct, DirectorDIR TO Direct toDIS-IN Discrete InputDISC Disconnect, DisconnectedDISC DisconnectionDISCH Discharge, DischargedDISCNTY DiscontinuityDISCTN DisconnectionDISRMD DisarmedDIST DistanceDISTR Distribute, Distribution, DistributorDITCH DitchingDITS Digital Information Transfer SystemDIU Digital Interface UnitDIVERTG Diverting



DL Domain LeaderDLC Direct Lift ControlDLCM Data Loading Configuration ManagerDLCS Data Loading and Configuration SystemDLK Data LinkDLOAD Data LoadingDLRB Data Loading Routing BoxDLS Data Loading SelectorDLY DelayDMA Direct Memory AccessDMC Direct Maintenance CostDMC Display Management ComputerDMC Design Modification CommitteeDMD DemandDMD Demand Data SheetDMDLTR DemodulatorDME Distance Measuring EquipmentDMP Display Management ProcessorDMPR DamperDMU Data Management UnitDN DownDNI 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 PlaybackDRM Duct Repair ManualDRMI Distance Radio Magnetic IndicatorDRVG DrivingDRVN DrivenDRVR DriverDS DownstreamDSAPP DisappearanceDSB Door Sensor BlockDSCRM DiscriminatorDSCRT Discrete



DSCS Doors and Escape Slides Control SystemDSDL Dedicated Serial Data LinkDSEB Digital Seat Electronic BoxDSENGD DisengagedDSG Design Service GoalDSI Discrete InputDSIP Door/Slide Indication Panel

DSMCU Doors and Slides Management Control UnitDSMS Doors and Slides Management SystemDSO 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 SystemDTMU Damage Tolerance Monitoring UnitDU Display UnitDUM DummyDVD Digital Versatile DiskDVD Digital Video DiskDWG DrawingDX Access DemandedDYNMTC DynamometricD/A Digital to AnalogD/D Engine Out Drift Down PointD/LNA Diplexer/Low Noise AmplifierD/O Description and OperationE East

EABDC Enhanced Aircraft Broadcast Data CollectorEADI Electronic Attitude Director Indicator

EADSEuropean Aeronautic Defence and Space Company

EAROM Electrically Alterable Read Only MemoryEAS Equivalent AirspeedEASA European Aviation Safety AgencyEAT Expected Approach TimeEBAS Engine Bleed Air SystemEBCU Emergency Brake Control UnitEBHA Electrical Backup Hydraulic ActuatorEBS Engine Build SpecificationEBU Engine Build-up UnitEC 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 System



ECMU Electrical Contactor Management UnitECN Engineering Change NoteECON EconomyECON EconomicECP Ecam Control PanelECS 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 Card

EDMSEngineering Documentation Management Services

EDP Engine Driven PumpEDP Electronic Data ProcessingEDTA Ethylenediamine TetraacetateEE Electrical and ElectronicEE Electrical EquipmentEEC Engine Electronic ControllerEEC Electronic Engine Control

EEPROMElectrically Eraseable Programmable Read Only Memory

EFCC Electronic Flight Control ComputerEFCS Electrical Flight Control SystemEFCU Electrical Flight Control Unit

EFDARSExpandable Flight Data Acquisition and Recording Systems

EFF Effective,EffectivityEFF/FFU Electronic Flight Folder/Flight Follow-UpEFIS Electronic Flight Instrument SystemEFIS CP EFIS Control PanelEFIS SGU EFIS Symbol Generator UnitEFOB Estimated Fuel on BoardEG For ExampleEGIU Electrical Generation Interface UnitEGMS Electrical Galley Management System

EGPWMEnhanced Ground Proximity Warning Module

EGPWSEnhanced Ground Proximity Warning System

EGT Exhaust Gas TemperatureEHA Electro-Hydrostatic ActuatorEHAC Electro-Hydrostatic Actuator ContactorEHCU Electromechanical Handforce Control UnitEHSI Electronic Horizontal Situation IndicatorEIC Engineering Integration CentreEIPM Engine Interface Power ManagementEIPMU Engine Interface Power Management Unit

EIRD Equipment Installation Requirement DossierEIS Electronic Instrument SystemEIS Entry Into Service



EIU Engine Interface Unit

EIVMUEngine Interface and Vibration Monitoring Unit

EL Equipment ListEL ElectricELA Electrical Load AnalysisELAC Elevator Aileron ComputerELAN Ethernet Local Area NetworkELAPS Elapsed TimeELC Electronic Library ComputerELC Emergency Line ContactorELEC Electric, Electrical, ElectricityELEK ElectronicELEKS ElectronicsELEV ElevatorELEV ElevationELEVN ElevationELEVR Elevator

ELF 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 Engine Monitoring UnitEMWS ElectroMechanical Window ShadeENBL EnableENCD EncodeENCDR EncoderENCL EnclosureEND EnduranceENG EngineENG OUT Engine OutENGD EngagedENGR EngineerENM Electrical Network ManagementENMF Electrical Network Management FunctionENMS Electrical Network Management SystemENP Estimated Normal PayloadENRGZ EnergizeENT EntryENTR Entrance



ENV EnvelopeENVMOD Envelope ModulationEO Engine OutEO Engineering OrderEO ACCEL ALT Engine Out Acceleration AltitudeEO THR RED SPD Engine Out Thrust Reduction SpeedEOC Engineering Order ChangeEOP End of Part

EOSID Engine Out Standard Instrument DepartureEOT End of TapeEP Entry PanelEPAC Entity per Aircraft ChangeEPC External Power ContactorEPD Extended Principle Diagram

EPESCEnhanced Passenger Entertainment System Controller

EPGS Electrical Power Generation SystemEPLD Electronically Programmable Logic DeviceEPM Engineering Program ManagerEPPT Electronic PerformanceEPR Exhaust Pressure RatioEPR Engine Pressure RatioEPR Equipment Problem Report

EPROM Erasable Programmable Read Only MemoryEPR.D EPR DescentEPR.L EPR LatchEPSU 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 UnitESB Evaluation Service BulletinESB Electrical System BITEESBF Electrical System BITE FunctionESC EscapeESD Electro Sensitive DeviceESD Electro Static DischargeESD Electronic System DisplayESDB Element Standard Data Bank

ESDN Extended System/Structure Description Note



ESG Evaluated Service GoalESLB ECAM System Logic BookESP 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 Over

ETOPSExtended Range Twin Engined Aircraft Operations

ETP Equal Time PointETR Engineering Template Repository

ETRACElectronic Thrust Reverser Actuation Controller

ETRAS 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 ExcitingEXCHG ExchangeEXCHGR ExchangerEXCN ExcitationEXH ExhaustEXP ExpansionExpl. ExplosiveEXSTG ExistingEXT Extend, ExtensionEXT Exterior, ExternalEXTC ExtractEXTCD ExtractedEXTCG ExtractingEXTG ExtendingEXTIG ExtinguishingEXTIN ExtinctionEXTING Extinguishing



EXTING ExtinguishEXTING ExtinguisherEXTIR ExtinguisherEXTN ExtensionEXTR ExtractorEXTR ExtrusionEXTRACT Extraction, ExtractorEZ Electrical ZeroE/T Electrical TrimF FuelF FahrenheitF Minimum Flap Retract Speed (EFIS)F-G/S FLS Glide SlopeF-LOC FLS LocalizerF-PLAN Flight PlanF-PLN Flight Plan

FACourse from a Fixed Waypoint to an Altitude Termination

FAA 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 PanelFAP 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 Closed

FCCourse from a Fixed Waypoint to a Changeover Point

FCC 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 Manual



FCP 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 Datum

FDCourse from a Fixed Waypoint to a DME Distance

FDAC Full Digital AGU ControllerFDAU Flight Data Acquisition UnitFDB Floor Disconnect BoxFDBK FeedbackFDC Fuel Data ConcentratorFDCE Flight Deck and Cabin EffectsFDD Floppy Disk DriveFDE Flight Deck EffectFDEP Flight Data Entry PanelFDIAF Flight Data Interface/Acquisition Function

FDIMU Flight Data Interface and Management UnitFDIU Flight Data Interface UnitFDR Flight Data RecorderFDRS Flight Data Recording SystemFDSU Flight Data Storage UnitFDU Fire Detection UnitFE Flight EnvelopeFEC Flight Envelope ComputerFEDR FeederFEGV Fan Exit Guide VaneFET Field Effect TransistorFEW Fleet Empty WeightFF Fuel FlowFF Ferry Flight

FFCC Forward Facing Crew Cockpit ConfigurationFFCC Forward Facing Crew Cockpit Concept

FFCCVForward Flange Compressor Casing Vibration

FFCCV Fan Frame Compressor Case VerticalFFCM Free Fall Control ModuleFFL Flip Flop LatchFFP Fixed Firm PriceFFS Full Flight SimulatorFFS Full Feasibility StudyFG Flight GuidanceFGE Flight Guidance and EnvelopeFGES Flight Guidance and Envelope SystemFGN Foreign



FGS Flight Guidance SystemFH Flight HoursFHSS Frequency Hopping Spread SpectrumFIDS Fault Isolation and Detection SystemFIFO First Input/First OutputFIG FigureFIL FilamentFIL FilletFIL H Fillister HeadFILG FillingFIM Fault Isolation ManualFIN 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 FlameproofFLP FlapFLP Flight Line PlanningFLS FMS Landing SystemFLSA Fuel Level Sensing AmplifierFLSCU Fuel Level Sensing Control UnitFLT FlightFLT CTL Flight ControlFLTR FilterFLXTO Flexible Take-OffFM Flight ManagementFM Flight ManualFM Frequency ModulationFM Fan Marker

FMCourse from a Fixed Waypoint with a Manual Termination

FMA Flight Mode AnnunciatorFMC Flight Management Computer

FMCSFlight Management Computer System (FMC and CDU)

FMCU Flight Management Computer UnitFMEA Failure Mode Effect Analysis

FMGC Flight Management and Guidance Computer



FMGECFlight Management Guidance and Envelope Computer

FMGESFlight Management Guidance and Envelope System

FMGS Flight Management and Guidance System

FMSFlight 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 DamageFOM 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 Angle

FPEEPMSFloor Proximity Emergency Escape Path Marking System

FPH Floor Panel HeatingFPL 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 Concentrator

FQI Fuel Quantity Indicating/Indication/IndicatorFQI Fuel Quantity Indicating/-ion/-orFQIC Fuel Quantity Indication ComputerFQMS Fuel Quantity and Management SystemFR FrameFREQ FrequencyFREX Support Repercussion SheetFRM Fault Reporting ManualFRQ FrequencyFRS Flammability Reduction SystemFRT FrontFRU Frequency Reference UnitFRV Fuel Return Valve



FS Front SparFS Fuselage StationFSA FlySmart with AirbusFSB Fasten Seat BeltsFSCM Federal Supply Code for ManufacturersFSN Fleet Serial NumberFST Fire/Smoke/ToxicityFSTNR Fastenerft Feet, FootFTA 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 SelectFTU Force Transducer Unitft/mn Feet per MinuteFU Feedback UnitFU Fuel UsedFUSLG FuselageFV Flux ValveFW Failure WarningFW FirewallFWC Flight Warning ComputerFWD ForwardFWL FirewallFWS Flight Warning SystemFWSD Flight Warning and System DisplayFY Fiscal YearF/C First ClassF/CTL Flight ControlsF/E Flight EngineerF/O First OfficerF/S Fast/SlowF/U Follow-UpF/W Failure WarningG GalleyG Gridg Earth Acceleration (Symbol)G GreenG Gyrog GramGA Go-AroundGA General ApplicationGAD General Assembly Drawing

GAHMMGlobal Aircraft Health Monitoring and Management

GAIR General Assembly Inspection Report



gal GallonGALV GalvanizeGALY GalleyGAMMA-A SlopeGAMMA-T Potential SlopeGAPCU Ground and Auxiliary Power Control Unit

GATE 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 Card

GIDOCAGestion Informatique de la Documentation Avion

GIE 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 TimeGMTBF Guaranteed Mean Time Between FailureGND 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 RFC



GRP 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 ManualGSP Ground Service PanelGTA General Terms AgreementGTHRG GatheringGTI Ground Test InstructionsGTR Ground Test RequirementGUI Graphic Interface UnitGW Gross WeightGWDU Galley Waste Disposal UnitGWR General Working RulesGY GreyGYRO GyroscopeG/A Ground-to-AirG/G Ground GuidanceG/S Glide SlopeH Hot (Electrical Point)H Runway Thicknessh Hourh HeightH NAV Horizontal NavigationHA Holding Pattern to an Altitude TerminationHADC Hybrid Air Data ComputerHARN HarnessHAS Heading and Attitude SystemHB Brinnell Hardness Test Valuehbar Stress (Hectobar)HCU 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 SystemHEX HexadecimalHF Holding Pattern to a Fixed WaypointHF High FrequencyHFDR High Frequency Data RadioHGA High Gain Antenna



HHL Horizontal Hinge LineHI HighHIBU Hybrid Illumination Ballast UnitHID High Intensity DischargeHIL Hold Item ListHK Knoop Hardness Test ValueHL High LevelHLAC High Level AC VoltageHLCL HelicalHLD Hold

HLDHigh Power Amplifier/Low Noise Amplifier/Diplexer

HLDC High Level DC VoltageHLDR HolderHLTY Healthy

HM Holding Pattern with a Manual TerminationHMC Hydromechanical ControlHMI Human-Machine InterfaceHMU Hydromechanical UnitHMU Hydromechanical Metering UnitHNG HingeHO HandOverHoE Head of EngineeringHOLD HoldingHOR Hold Open RodHORIZ HorizontalHOT High Oil TemperatureHP High PressureHpa Hecto PascalHPA High Power Amplifier

HPCRear Compressor Rotor and Stator Assembly

HPC High Pressure CompressorHPR High Power RelayHPT High Pressure Turbine

HPTRear Compressor Drive Turbine Rotor Assembly

HPTACCHigh Pressure Turbine Active Clearance Control

HPTC 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 RolledHRP Horizontal Reference PlaneHRS HoursHRS Hot Rolled SteelHR(X) Rockwell Hardness Test ValueHR/XXX) Rockwell Superficial Hardness Test ValueHS High SpeedHSDU High Speed Data Unit



HSG 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 PlaneHTR HeaterHTTP HyperText Transfer ProtocolHUD Head Up DisplayHUDC Head Up Display ComputerHUMIDIF HumidificationHV Vickers Hardness Test ValueHV High Voltage

HVDFHigh and Very High Frequency Direction - Finding Station

HVPS High Voltage Power SupplyHWBPT Hardware BreakpointHYD HydraulicHZ HertzH/W HardwareI Invoice CardI InertialIAE 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 Organisation

ICARE Illustration, Constraint, Activity, Rule, EntityICC Integrated Change Control

ICCAIAInter Co-ordinating Council of Aerospace Industries Asso

ICD 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 Commission

IEEEInstitute of Electrical and Electronic Engineers

IES Industrial Evaluation SheetIETF Internet Engineering Task ForceIF Intermediate FrequencyIF Initial FixIFE In-Flight EntertainmentIFEC In-Flight Entertainment CenterIFES In-Flight Entertainment System

IFP 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 IgnitionIGV Inlet Guide VaneIIPD Illustrated Initial Provisioning DocumentILLUM IlluminationILLUMD Illuminated

ILS Instrument Landing System (LOC and G/S)IM Inner MarkerIMA Integrated Modular AvionicsIMC Indirect Maintenance CostIMM Immediate

IMPACTImprovement Manufacturer Program for Airbus Customer Training

IMU Inertial Measurement Unitin InchIN InchIN-LBS Inch-poundsIN HG Inches of MercuryINA Initial ApproachINB InboundINBD InboardINCLG IncludingINCR IncreaseINCR IncrementIND IndicatorINDG IndicatingINFO InformationINHI InhibitINHIB Inhibit, Inhibited, InhibitionINIT Initial(ization)INOP InoperativeINP InputINR InnerINRTL InertialINS Inertial Navigation System



INSP InspectionINST InstrumentINST InstinctiveINSTL InstallationINSTLLD InstalledINSTM InstrumentationINSUL Insulate, Insulation, InsulatorINT InterruptINT IntersectionINT InteriorINTCON InterconnectionINTCP InterceptINTEG IntegralINTEN IntensityINTERCOM IntercommunicationINTFC InterfaceINTG IntegralINTGT Integrate, IntegratingINTL InternalINTLK InterlockINTMD IntermediateINTMT IntermittentINTPH InterphoneINTR InteriorINTRG Interrogate, InterrogatorINTRPT InterruptINU Inertial Navigation UnitINV InverterINWP Intermediate WaypointIOC Indirect Operating CostIOE Initial Operating ExperienceIOM Input/Output ModuleIOR Immediate Operational RequirementIP Intermediate PressureIP Initial ProvisioningIP Invoice Packing CardIP Internet ProtocolIPC Intermediate Pressure Bleed Check ValveIPC Illustrated Parts CatalogIPCT Initial Provisioning Coordination TeamIPCU Ice Protection Control UnitIPD Initial Provisioning DataIPD Illustrated Provisioning DocumentIPDU Ice Protection Data UnitIPL Illustrated Parts ListIPO Initial Public stock OfferingIPPU Instrumentation Position Pick-off Unit

IPRAMIntegrated Prerecorded Announcement Module

IPS Incorrect Phase SequenceIPT Inadvertent Power TransferIPV Indicator Para VisualIR Inertial ReferenceIRAN Inspection and Repair As NecessaryIRDC Interface Remote Data ConcentratorIRP Integrated Refuel Panel



IRQ Interrupt RequestIRR Internal Rate of ReturnIrr.M Irritating MaterialIRS Inertial Reference SystemIRS Inspection Report SystemIRU Inertial Reference UnitISA Inertial Sensor AssemblyISA International Standard Atmosphere

ISAMIImprovement of Structure Analysis through Multi-disciplinary Integration

ISB Inter-System BusISDN Integrated Services Data NetworkISDU Inertial Sensor Display Unit (IRS)ISG Instrument Symbol Generator UnitISIS Integrated Standby Instrument SystemISM Illumination Sensor ModuleISO International Standardization OrganisationISOL IsolationISP In-Service ProblemISP Integrated Static ProbeISPSS In-Seat Power Supply SystemISPSU In-Seat Power Supply UnitISPU In-Seat Power Supply UnitISRO In-Service Reportable OccurrenceISS Inertial Sensor SystemISU Inertial Sensor UnitISWL Isolated Single Wheel LoadIT InterruptionIV Isolation Valve

IVASEBIntegrated Video and Audio Seat Electronic Box

IVCP Integrated Value Creation ProjectIVS Inertial Vertical SpeedI/I Inspection/IntervalI/O Input/OutputI/P Intercept ProfileI/P Intercept PointI/P InputJAA Joint Aviation AuthoritiesJAM Jammed, JammingJAMG JammingJAR Joint Aviation RequirementsJB Junction BoxJCT Junction

JEMTOSSJet Engine Maintenance Task Oriented Support System

JEP JeppesenJFGW Jettison Final Gross WeightJIC Job Instruction CardJID Jeppesen Inflight DatabaseJITX Jeppesen Integrated Tool Kit XJK JackJOG JoggleJTSN JettisonJUNCTN JunctionK K



K Subgrade Reaction ModulusK Degrees KelvinKA Knowledge AcquisitionKBD KeyboardKB/s Kilo Bits per SecondKCCU Keyboard and Cursor Control UnitKE 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-x Lavatory - XL ECAM DU Left ECAM Display UnitLA Linear AccelerometerLAF Load Alleviation FunctionLAG LaggingLAILA LAvatory Interface and Light AdapterLAM LaminateLAMM Lights, Audio and Miscellaneous ModuleLAN Local Area NetworkLAND LandingLAP List of Applicable PublicationsLAT LateralLAT LatitudeLAU Linear Accelerometer UnitLAV Lavatorylb PoundLB PoundsLB-FT Pound - Force - Foot (Torque)LB-IN Pound - InchLBA Luftfahrt Bundes AmtLBA Logical Bus Applicationlbf/in² Pounds force per square inchLBP Left Bottom PlugLC Labour CostLC Line ContactorLCC Life Cycle CostLCD Liquid Crystal DisplayLCDT Load Compressor Discharge TemperatureLCH LatchLCHG Latching



LCIT Load Compressor Inlet TemperatureLCL Line Check List (Maintenance)LCN Load Classification NumberLCP Local Control PanelLCSD Line Check Support DataLCTR LocatorLD Left DisplayLD Lower DeckLD LoadLD CAB Lower Deck CabinLD GALY Lower Deck GalleyLD LAV Lower Deck LavatoryLDA Localizer-type Directional AidLDC Local Domain CoordinatorLDC Local Door ControllerLDCC Lower Deck Cargo CompartmentLDF Lower Deck FacilitiesLDG LandingLDG GR Landing GearLDI Landing Direction IndicatorLDMCR Lower Deck Mobile Crew RestLDPA LanDing Performance ApplicationLE Log EntryLE Leading EdgeLED Light Emitting Diode

LEHGS Local Electro-Hydraulic Generation 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 Unit

LGERSLanding Gear Extension and Retraction System

LGMS Landing Gear Management SystemLGND LegendLH Left HandLIM 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 Current



LLDC 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 ConditionLMES Loss of Main Electrical SupplyLMM Compass Locator at Middle MarkerLMP 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 Compressor

LPC Low Compressor Rotor and Stator AssemblyLPC Less Paper in the CockpitLPE Laissez-Passer ExceptionnelLPFEV Long Power Failure EventLPO Landings per OverhaulLPT Low Pressure Turbine

LPTFront Compressor Drive Turbine Rotor Assembly

LPTACCLow Pressure Turbine Active Clearance Control

LPTC Low Pressure Turbine ClearanceLPTCC Low Pressure Turbine Case CoolingLPTCC Low Pressure Turbine Clearance ControlLPTR Low Pressure Turbine Rotor

LRE List of Radioactive and Hazardous ElementsLRI Line Replaceable ItemLRM Line Replaceable Module



LROPS Long Range OperationsLRRA Low Range Radio AltimeterLRU Line Replaceable UnitLS Line Select KeyLS LoudspeakerLS Low SpeedLS Landing SystemLSA Low Speed AileronLSA Low Specific Activity Radioactive MaterialLSB Least Significant BitLSC Least Significant Character

LSI Large Scale Integrated/Integration/IntegratorLSP Low SpeedLSR Load Shedding RelayLSR Last Significant BitLSU Lavatory Service UnitLT LightLT TeleloadingLTD LimitedLTD PLT Lighted PlateLTG LightingLTK Load Tonne KilometreLTM Livestock Transportation ManualLTP Left Top PlugLTR Lab Test RequestLTS LightsLTS Load and Trim Sheet SoftwareLV Low VoltageLVDT Linear Variable Differential TransducerLVL LevelLVL/CH Level ChangeLVR LouverLVR LeverLVT Linear Voltage TransducerLW Landing WeightLWR LowerLWSA Lavatory Water Supply AssyL/D Lift/DragL/G Landing GearL/HIRF Lightning/High Intensity Radiated FieldsM Maneuvering Speed (EFIS)M Magentam MeterM ModeM Mach NumberM Machm³ 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 Table



MADARMalfunction Detection Analysis and Recording Subsystem

MAF Maintenance Access FunctionMAG MagneticMAG MagazineMAG DEC Magnetic DeclinationMAG VAR Magnetic VariationMAGN MagnetronMag.M Magnetized Material

MAIDSMultipurpose Automatic Inspection and Diagnostic System

MAIN MUX Main MultiplexerMAINT MaintenanceMALS Medium Intensity Approach Light System

MALSRMedium Intensity Approach Light System with Runway Align

MAN ManualMAP Missed Approach SegmentMAP Ground MappingMAP Master Annunciator PanelMAP Mise au point

MAPSP Master Attendant Passenger Service PanelMAS Milli-Ampere/SecondsMAS Modification Approval SheetMASI Mach Airspeed IndicatorMAT Multi-purpose 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 ChartMCC 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 Request

MCSMultiChannel Aviation Satellite Communication System

MCS Mission Computer SubsystemMCT Maximum Continuous ThrustMCU Master Control UnitMCU Modular Concept Unit

MCURMean Cycle Between Unscheduled Removals



MCVL 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 Unit

MDF Medium Frequency Direction Finding StationMDH Minimum Descent HeightMDL ModuleMDM Material Data MeetingMDU Multiplier Divider UnitMDU Manual Drive UnitMEA Minimum En Route IFR AltitudeMEAS MeasurementMEASRG MeasuringMEC Main Engine ControlMECH Mechanic, Mechanical, MechanismMED MediumMEL Minimum Equipment ListMEM MemoryMEO Middle Earth OrbitMES Main Engine StartMET MeteorologicalMEV Main Electro ValveMEV Million Electron-VoltsMEW Manufacturer's Empty WeightMF Medium FrequenciesMFA Memorized Fault AnnunciatorMFD MultiFunction DisplayMFG ManufacturingMFP Mixed Fission ProductsMFP Maintenance Facility PlanningMFP MultiFunction ProbeMFR ManufacturerMFR IDENT Manufacturer IdentificationMFS MultiFunction SensorMFT Multi Function TeamMFTW Maximum Design Fuel Transfer WeightMFW Maximum Design Flight WeightMGB Main Gear BoxMGMT ManagementMGT ManagementMHSU Magnetic Heading Sensor UnitMHZ MegahertzMI Magnetic IndicatorMIB Management Information BaseMIC MicrophoneMICBAC Micro-System Bus Access ChannelMID MiddleMID Modification Information DocumentMIDU Multi-Input Interactive Display UnitMILA MIni Light Adapter



MILA MIni Light Adaptermile/h Miles per HourMIN Minimummin MinuteMIN FUEL Minimum FuelMIN TIME Minimum TimeMIP Maintenance Information PrinterMIPO Manually Issued Purchase Order

MIPSMaintenance Information and Planning System

MISC MiscellaneousMKGS MarkingsMKR Marker (radio) Beaconml MilliliterMLA Maneuver Load AlleviationMLD MoldedMLG Main Landing GearMLI Magnetic Level IndicatorMLIH Magnetic Level Indicator HousingMLS Microwave Landing SystemMLW Maximum Design Landing WeightMM Middle Markermm 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 Manifold

MNPSMinimum Navigation Performance Specification

MOCA Minimum Obstruction Clearance AltitudeMOD ModulatorMOD ModificationMODLTR ModulatorMOD/V Modulating Valve

MOKAMethodology and software tools Oriented to KBE Applications

MOM 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 Procedure



MP 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 BreakMRA Minimum Reception AltitudeMRB Maintenance Review BoardMRB 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 Weightmr/hr Milliroentgens per HourMS Military StandardMS AI Maintenance ScheduleMSA Minimum Safe AltitudeMSB Most Significant BitMSC Maintenance Steering CommitteeMSC Airbus Materiel Support CentreMSCN Manufacturer Specification Change NoticeMSG 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 Trouble

MTBURMean Time Between Unscheduled Removals

MTE Manual Test EquipmentMTG Mounting



MTGC Mounting CenterMTI Multi Tank IndicatorMTN MotionMTO Maximum Take-OffMTO MétéoMTOGW Maximum Takeoff Gross WeightMTOP 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 Removal

MTURMean Time Between Unscheduled Removals

MTW 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 SemiconductorN1 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 Station

NACA National Advisory Committee for AeronauticsNAI Nacelle Anti-IcingNAS Navy and Army Standard

NASANational Aeronautics and Space Administration

NatCo National CompanyNATS North American Telephone System



NAV 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 DisplayNDB 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 AirmenNOVOLRAM 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 System



NSU 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 WheelN.O.R Normal Operating RangeN/A Not ApplicableN/P Next PageN/W Nose WheelN/WS Nose Wheel SteeringO OpenO OrangeO2 Oxygen (Symbol)OADMT Overall Aircraft Design Management TeamOANC Onboard Airport Navigation ComputerOANS Onboard Airport Navigation SystemOASI Operation and Service Instruction ManualOAT Outside Air TemperatureOBCE On-Board Control EquipmentOBOGS On Board Oxygen Generation SystemOBRM On Board Replaceable ModuleOBS Omni Bearing SelectorOBS Organization Breakdown StructureOBSV ObservationOBSVR ObserverOC On ConditionOC Open CircuitOC OvercurrentOC Order CardOC Oceanic ClearanceOCCPD 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 Outside DiameterODU Optical Display UnitOEB Operating Engineering BulletinOEW Operational Empty WeightOF OverfrequencyOFDM Onboard Flight Data MonitoringOFFR Off/ResetOFF/R Off ResetOFMV Oil Flow Management ValveOFST OffsetOFV Outflow ValveOG Operational GroupOGV Outlet Guide Vane



OH 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 Correct

OLIVEROutput Level Intended for Very Excellent Reproduction

OLMS Operational Loads Monitoring SystemOLW Operational Landing WeightOM Overhaul ManualOM Outer MarkerOMM Overhaul Manual ManufacturerOMS Onboard Maintenance SystemOMT Onboard Maintenance TerminalOMTBF Observed Mean Time between FailureOMV Overhaul Manual VendorONS Omega Navigation SystemOOT Oil Outlet TemperatureOP OperationalOP OpalescentOPAL Order Processing Automated LineOPER Operative/Operation/OperatingOPMS Oleo Pressure Monitoring SystemOPNG OpeningOPP OppositeOPS OperationsOPT OptionalOPT OptimumOPTL OptionalOPTS Oleo Pressure and Temperature SensorOPU Overspeed Protection UnitOPV Overpressure ValveOR Operational ReliabilityORF OrificeOrg Per Organic PeroxideORM Onboard Replaceable ModuleORT Owner Requirement Table

ORVDOverpressure Relief Valve with Dump Function

ORZ Omni Range ZeroOS Operating SystemOSC OscillatorOSCU Oxygen System Control UnitOSG Overspeed Safety GovernorOTD On Time DeliveryOTH On Time HandoverOTOW Operational Take-Off WeightOU Outlet Unit



OUT OutletOUT OutputOUTB OutboundOUTBD OutboardOUTFLW OutflowOUTR OuterOV OverOVBD OverboardOVF Over FrequencyOVFL OverflowOVHD OverheadOVHT OverheatOVLD OverloadOVPRESS OverpressureOVRD OverrideOVSP OverspeedOVSTEER OversteerOVV OvervoltageOW Outer WingOWD Open World DiodeOWE Operating Weight EmptyOXY OxygenOxy M Oxidizing MaterialOZ OunceO/C Open CircuitO/P OutputP PurpleP Roll RateP PressurePA 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 Sensor

PATCCProduction Aircraft Test Completion Certificate

PATM Production Aircraft Test Manual

PATS Passenger Air-to-Ground Telephone System

PAXPAX Announcement Entertainment & Service Multiplex Sys

PAX 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 Power Door OpeningPDRC Procurement Data Reference CardPDU Power Drive UnitPE HP Stage Air PressurePED PedestalPED Portable Electronic Device

PEDMUPrimary Electrical Distribution Management Unit

PEF Pylon Extension FairingPEM Performance Engineers ManualPEP Performance Engineers Program

PEPDC Primary Electrical Power Distribution CenterPERC PercussionPERF PerformancePERM PermanentPES Passenger Entertainment (System)PES Production Engineering SpecificationPES Passenger Entertainment System

PESARPassenger Entertainment System Audio Reproducer



PESC PES Controller

PESMMUX Passenger Entertainment System Main MuxPF Pilot FlyingPF Power FactorPFD Primary Flight DisplayPFEV Power Failure EventPFF Pre-First FlightPFIN Power Failure InterruptPFIS Passenger Flight Information SystemPFQ 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 ModulePIN PROG Pin ProgrammingPIPC Power Plant Illustrated Parts CatalogPIR Pressure Interstage ReturnPIREP Pilot ReportPISA Passenger Interface and Supply AdapterPIU Passenger Information UnitPIX PicturePK PinkPL PlugPL PlatePLA Power Light AdapterPLATF PlatformPLCRD PlacardPLS PulsePLT PilotPLYWD PlywoodPM Phase ModulationPM 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 Generator

PMITSProject Management Information Technology System



PMM 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 Card

PPDESProduct Performance Data Exchange Specifications

PPI Plan Position IndicatorPPIPC Power Plant IPCPPM Performance Programs ManualPPM Pulse Position ModulationPPM Parts per MillionPPOS Present PositionPPU Position Pickoff UnitPQAS Program Quality Assurance SystemPR PressurePR Power Ready RelayPR Progress Meeting

PRRegulated Pressure (downstream of bleed valve)

PRAM Prerecorded Announcement and MusicPRB ProbePRCSG ProcessingPRCSR ProcessorPRE-EMPT Pre-emptivePREAMP PreamplifierPRECOOL PrecoolerPRED PredictionPREREC PrerecordedPRES POS Present PositionPRESEL Preselection, PreselectorPRESS Pressure, Pressurization, Pressurize



PREV PreviousPRF Interrogation RatePRGM ProgramPRI PriorityPRIM PrimaryPRIM PRIMary System

PRIMESProduct Related Information Management Enterprise System

PRL 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 InchPSIA 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 SystemPSTN 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 CardPTLU Pedal Travel Limiting UnitPTM Performance Training ManualPTP Programming and Test PanelPTR Push to ResetPTR PrinterPTS Purchaser Technical SpecificationPTT Push to TestPTT Push-to-TalkPTT Push-to-TestPTU Power Transfer Unit



PTU Power Transformer UnitPU Pick UpPU Panel UnitPU Parts UsagePU Processing UnitPURS PurserPURS PurserPVC Polyvinyl ChloridePVD Para Visual DirectorPVI Paravisual IndicatingPVIS Passenger Visual Information SystemPW Pratt and WhitneyPW Pratt & WhitneyPWCU Potable Water Control UnitPWIP Potable Water Indication PanelPWM Pulse Width ModulatorPWR PowerPWS Predictive WindShearPWS Potable Water SystemPWSP Potable Water Service PanelPYL PylonP(-+ 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 ROMQ Pitch RateQA Quality AssuranceQAD Quick-Attach-DetachQAM Quadrature Amplitude ModulationQAR Quick Access RecorderQAT Quadruple ARINC TransmitterQC Quick ChangeQC Quality ControlQD Quick DonningQDB Quality Directors BoardQDR Magnetic Heading to a StationQEC Quick Engine ChangeQEI Quality Event InformationQF Quality Task ForceQFE Baro Pressure Setting for Airfield AltitudeQFE Field Elevation Atmospheric PressureQFE Pressure Setting for Airfield AltitudeQFU Runway HeadingQIG Quality Improvement GroupQIR Quality Improvement RequestQLB Quality Log BookQMS Quality Management System



QMU QAM Modulator UnitQNE Sea Level Standard Atmosphere Pressure

QNH Baro Pressure Setting for en Route AltitudeQNH Sea Level Atmospheric PressureQNH Pressure Setting for En Route AltitudeQNH Sea Level PressureQPL 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-LMF Right Side Local Maintenance FunctionR-OMS Right Side Onboard Maintenance SystemRA Resolution AdvisoryRA Redundancy AssuranceRA 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 Management System

RALTUReprogrammable Annunciator Light Test Unit

RAM Random Access MemoryRAPCON Radar Approach ControlRAS Repair Design Approval SheetRASC Reservoir Air Supply Cooler

RASCIResponsible, Accountable, Support, Consulted, Informed

RAT Ram Air TurbineRAT Ram Air Temperature



RATC 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 TankRCVR 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 PointREPL BY Replaced byRES ResistanceRET ReturnRET RetractRETR Retract



RETRD RetractedRETRG RetractingRETRN RetractionREV ReverseREV Revise, RevisionRF Radio FrequencyRFA Request for AmendmentRFC Request for ChangeRFC Request For CommentsRFI Request for InformationRFI Radio Frequency InterferenceRFP Request for ProposalRFR Request for RevisionRFS Request for ServiceRFS Regardless of Feature SizeRFS Reason for SelectionRFTI Request For Technical InformationRFU Radio Frequency UnitRFW Request for WorkRGLRD RegulatedRGLTG RegulatingRGLTN RegulationRGTR RegisterRH Right HandRHEO RheostatRHL Rudder Hinge LineRJB Radio Junction BoxRK RackRLA Reverser Lever AngleRLG Ring Laser GyroRLS 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 MemoryROTG 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 Required

RRLow or Medium Range Frequency Radio Range Station

RR 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 Clock

RTCARadio Technical Commission for Aeronautics

RTE RouteRTF Radio TelephonyRTF Rich Text FormatRTG RatingRTK Revenue Tonne KilomètreRTL Rudder Travel LimitingRTLU Rudder Travel Limiting UnitRTN ReturnRTNR RetainerRTO Rejected TakeOffRTOLW Runway Takeoff and Landing WeightRTOW Runway Takeoff WeightRTP Right Top PlugRTR RouterRTRSW Rotary SwitchRTRY RotaryRTS Return to SeatRTT Return To TankRTU Rate of Turn UnitRTU Radar Transceiver UnitRUD RudderRVCP Remote Video Control PanelRVDT Rotary Variable Differential TransducerRVR Runway Visual Range



RVS ReverseRVSM Reduced Vertical Separation MinimumRVSN ReversionRVT RivetRVT Rotary Variable TransformerRWDS RearwardsRWK ReworkRWY RunwayRZ Return to ZeroR&D Research and DevelopmentR/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 TransmitS SouthS Minimum Slat Retract Speed (EFIS)s SecondSA 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 BulletinSBD Single Blade DoorSBDB Service Bulletin Data BaseSBEW Standard Basic Empty WeightSBI Service Bulletin IndexSBL SymbolSBS Service Bulletin Effectivity ScheduleSC Source CodeSC ScaleSC Single ChimeSCAV ScavengeSCCS Sub-Contract Control SheetSCE SourceSCE Showing Compliance Engineer



SCFMStandard Cubic Feet Minute of Gaseous Airflow

SCG System Configuration GuideSCH SchematicSCI Secure Communication InterfaceSCN 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 BoxSEB Service Evaluation BulletinSEC Spoiler Elevator ComputerSEC SecondarySEC SECondary ComputerSECT SectionSEG SegmentSEL Select, Selected, Selector, SelectionSELCAL Selective Calling SystemSELV Selector ValveSENS SensitivitySEP Separator

SEPDCSecondary Electrical Power Distribution Center

SEQ Sequence, SequentialSER SerialSER Serial NumberSERNO Serial NumberSER/PRL Serial to Parallel



SES 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 ShortSI 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 LevelSIM 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 Adapter



SLD Slide, SlidingSLL Shelf Life Limitation

SLMC Service Life Limits and Maintenance ChecksSLP Space Limited PayloadSLS Side Lobe SuppressionSLT SlatSLV SleeveSM Standards ManualSMA Single Motor Actuator

SMART Standard Modular Avionics Repair and TestSMC System Manager ControllerSMEL Seat-Mounted Emergency LightSMK SmokeSML SB Modification Crossreference ListSMO Stabilized Master OscillatorSN Serial NumberSNGL 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 Earth

SPATIALSystem for Acquisition and Processing of ARINC and Logic

SPC Spare Parts ClassificationSPD SpeedSPDB Secondary Power Distribution BoxSPD/M Speed-MachSPE Seller 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 Programming



SPPF Software Pin Programming FunctionSPR Service and Performance ReportSPRDR SpreaderSPRT SupportSPS Service Process SolutionSPSA Supplier Product Support AgreementSPST Single Pole Single ThrowSPS/B Superseded bySQ SquelchSQ-FT Square-FeetSQW Square WaveSR SeniorSRD Shorted Rotating DiodeSRD System Requirement DocumentSRE Surveillance Radar Element of GCA

SRFServicing and aircraft condition parameters Reporting Function

SRKL Structural Repair Kit ListSRKM Structural Repair Kit ManualSRM Structural Repair ManualSRPS Safe Redundant Power SupplySRPSU Slide Release Power Supply UnitSRS Speed Reference SystemSRU Shop Replaceable UnitSS Sky/ShadingSSA System Safety AssessmentSSA Side Slip AngleSSALS Simplified Short Approach Light System

SSALSRSimplified Short Approach Light System Runway Alignment

SSB Single Side BandSSC Single Stroke ChimeSSCVR Solid State Cockpit Voice RecorderSSEC Static Source Error CorrectionSSFDR Solid State Flight Data RecorderSSG Single Stroke GongSSI Structural Significant Item

SSIDSupplemental Structural Inspection Document

SSM 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 StandbySTC Supplemental Type Certificate



STD 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 SwitchSWTG SwitchingSWY StopwaySYM SymmetrySYN REF Synchro ReferenceSYNC Synchro, SynchroniseSYNTHR SynthetizerSYNTHR SynthesizerSYS SystemS/C Step ClimbS/D Step DescentS/H Sample and HoldS/MECH Shortening MechanismS/W Softwaret Rivet SpacingT TRUET TurnT TrimT Timet Equivalent Runway Thicknesst Tonne



T ThicknessT-P Turn PointT-R Transmitter-ReceiverT2C HP Compressor Inlet Temperature

T2CASTraffic and Terrain Collision Avoidance System

T54 Low Pressure Turbine Inlet TemperatureTA Traffic AdvisoryTA Twin AisleTAB Tabulation and Interpolation ProgramTAB Test and Bite PanelTAC Taxiing Aid CameraTAC Technical Acceptance Completion

TACANUltra-high Frequency Tactical Air Navigation Aid

TACH TachometerTACS Taxiing Aid Camera SystemTACT TacticalTADD 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 OverhaulsTBSV Time Between Scheduled VisitsTBU Time Base UnitTBV Transient Bleed ValveTC ThermocoupleTC Takeoff ChartsTC Theoretical ContourTC HP Turbine Case PressureTCA Throttle Control Assy

TCAS 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 Directive



TDO 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 TemperatureTEMP 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 Cooling

TICCTechnical Information and Communication Committee

TID 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 Error



TKE Track ErrorTL Tooling ListTL Transmittal LetterTLA Throttle Lever AngleTLAR Top Level Aircraft RequirementTLB Technical Log Book

TLCTakeoff and Landing Chart Computation Program

TLMC Time Limits and Maintenance ChecksTLS Transcowl Locking SystemTLS Trolley Lift SystemTLSRD 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 TakeoffTOC Table of ContentsTOD Takeoff DistanceTOGA Takeoff/Go AroundTOGW Takeoff Gross WeightTOIL ToiletTOL ToleranceTOPA TakeOff Performance ApplicationTOR Takeoff RunTOT TotalTOT Transfer of TitleTOW Takeoff WeightTOW TowingTO/APPR Takeoff/ApproachTP Top PlugTP Test PointTPA Technical Publications AgreementTPCI Technical Publications Combined IndexTPG Technical Publications GuideTPGG Technical Publications General GuideTPIB Technical Publications Illustration BankTPIC Tire Pressure Indicating ComputerTPIS Tire Pressure Indicating System

TPMM Technical Publications Management MeetingTPOP Technical Publications Output Planning

TPPP Technical Publications Production PlanningTPR Turbofan Power Ratio

TPRD Technical Publications Reference DocumentTPS Temporary Protection System



TPU Terminal Processor Unit

TPWDTechnical Publications Work Sharing Document

TR Temporary Revision

TRRegulated Temperature (Downstream of precooler)

TR Transformer RectifierTR Thrust ReverserTR Turn RadiusTR TrussTR TransistorTRA Throttle Resolver AngleTRA Test Report AnalysisTRACON Terminal Radar ControlTRANS TransitionTRANSF TransferTRC Thrust Rating ComputerTRDV Thrust Reverser Directional ValveTRF Turbine Rear FrameTRGT TargetTRIG TriggerTRK TrackTRK Track (angle)TRLY TrolleyTROPO TropopauseTRP Thrust Rate Panel - Thrust Rating PanelTRPU Thrust Reverser Power UnitTRPV Thrust Reverser Pressurizing ValveTRQE TorqueTRQR TorquerTRS Technical Repercussion SheetTRT Turn Round TimeTRU TRUETRU Transformer Rectifier UnitTRV TravelTS Trim SheetTSD Trouble Shooting DataTSDB Trouble Shooting Data BaseTSF Trouble Shooting FunctionTSFC Thrust Specific Fuel ConsumptionTSH 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 Logic



TTR Technical Trouble ReportTTS Trim Tank SystemTU Tapping UnitTURB Turbulence, TurbulentTURB TurbineTV TelevisionTVBC Turbine Vane and Blade CoolingTVC Turbine Vane CoolingTVOR Short Range VOR

TVORVery High Frequency Terminal Omnirange Station

TW TwistedTWLU Terminal Wireless LAN UnitTWR TowerTWY TaxiwayTX Transmission (TCAS to Transponder)TYP TypicalTYPPLE Typical Phone Power LevelT/C Top of ClimbT/C Type CertificateT/D Top of DescentT/F Track of a Fixed WaypointT/R Thrust ReverserÚ Pitch AttitudeUAC Upper Area Control CentreUADF User Application Definition File

UARTUniversal Asynchronous Receiver Transmitter

UD 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 Frequency

UICDL 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 UnusedUPLK UplockUPPR UpperUPR Upper



UR 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 MemoryUWY Upper AirwayU/FLOOR UnderfloorU/S UnserviceableV VioletV Volt, VoltageV ValveV1 Critical Engine Failure SpeedV1 Decision SpeedV2 Takeoff Safety SpeedV2min Minimum Takeoff Safety SpeedV3 Flap Retraction SpeedV4 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 System

VB Design Speed for Maximum Gust IntensityVBV Variable Bleed ValveVC Design Cruising SpeedVC Ventilation ControllerVc Calibrated AirspeedVCC Video Control CenterVCM Video Camera ModuleVCO Voltage Controlled OscillatorVCP Video Control PanelVCS Ventilation Control SystemVCTREND Airspeed TendencyVCU Video Control UnitVD Heading to a DME DistanceVD Design Diving SpeedVDC Voltage Direct CurrentVDEV Vertical Deviation

VDFVery High Frequency Direction Finding Station

VDFMDF Demonstrated Flight Diving SpeedVDOS Vendor Documentation On-line Service



VDR VHF Data RadioVDU Video Display Unit

VEADBVideo on demand Enhanced Area Distribution Box

VEL VelocityVENT VentilationVERT VerticalVERT REV Vertical ReviseVF Design Flap Speed

VFCMFC 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 Gyro

VHMaximum Speed in Level Flight with Maximum Continuous Po

VHCU 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 Valve

VmMinimum Recommended Maneuvering Speed

Vm Recommended Maneuvering SpeedVM Maneuvering SpeedVM VoltmeterVM Heading with a Manual TerminationVMAN Maneuvering SpeedVmax Maximum Operating SpeedVMAX Maximun Allowable Airspeed

VMCMinimum Control Speed with One Engine Inoperative

VMC 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 Speed



VNE 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 Station

VORVery High Frequency Omnidirectional and Radio Range

VORTAC Visual Omni-Range Tactical Air NavigationVOR.D VOR-DMEVOT VoterVPSA Vendor Product Support AgreementVR Rotation SpeedVR Voltage RegulatorVR-HDG Heading to a RadialVREF Landing Reference SpeedVRMS Volt Root Mean SquareVRU Video Reproducer Unit

VSMin Steady Flt Spd at which Airplane is Controllable

VSStalling Speed at which Airplane is Controllable

VS Stall Speed

VS1Stalling Speed obtained in a specified Configuration

VS1Min Steady Flt Spd obtained in a Specified Configuration

VSB 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

VSOStalling Speed or Minimum Steady Flight Speed in the Lan

VSS Stick Shaker SpeedVSV Variable Stator VaneVSVA Variable Stator Vane ActuatorVSW Stall Warning SpeedVSWR Voltage Standing Wave RatioVT Vertical Tail

VTOSSTakeoff Safety Speed for Category A Rotorcraft

VTP Vertical Tail PlaneVTR Video Tape ReproducerVTS Vacuum Toilet SystemVV Velocity Vector



VWM Vendor Warranty ManualVX Speed of Best Angle of ClimbVY Speed for Best Rate of ClimbV&V Verification & ValidationV/L VOR/LOCV/L VOR/LocalizerV/S Vertical SpeedW WhiteW WireW WeightW WattW WestW3C World Wide Web ConsortiumWA Wind Angle

WABSICWheel And Brake System Integrated Component

WACS Wireless Airport Communication SystemWAI Wing Anti-IceWARN WarningWASG World Airlines and Suppliers Guide

WATOGWorld Airlines Technical Operations Glossary

WBA 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 LightWFOV Wide Field of ViewWG WingWG Wave GuideWG Working GroupWGD Windshield Guidance DisplayWGDC Windshield Guidance Display ComputerWGDS Windshield Guidance Display SystemWHC Window Heat ComputerWHL WheelWIPCU Water Ice Protection Control UnitWIPDU Water Ice Protection Data UnitWIRC Warning - Inhibition - Recall - ClearWLDP Warning Light Display PanelWLG Wing Landing GearWLM Wireless LAN ManagerWLP Weight Limited PayloadWM WattmeterWM Wiring Manual



WMAXOP Maximum Operational SpeedWO Wash-outWOR Wear Out RateWOW Weight On WheelsWP Work PackageWPT WaypointWR Weather RadarWR Weighing ReportWRG WiringWRK Work, WorkingWS Wind SpeedWSCP Warning and System Control PanelWSCS Wheel Steering Control SystemWSDP Warning and System DisplayWSHLD WindshieldWSR Weekly Service ReportWSSG Warning System Symbol GeneratorWT WeightWTB Wing tip brakeWTR WaterWUC Work Unit CostWX Weather Mode (ND)WXR Weather RadarW/V Wind Direction and SpeedX CrossX TransX-TALK Cross-talkX BLEED CrossbleedX FEED CrossfeedX LINE CrosslineX VALVE Cross ValveXARM Cross ArmXBAR CrossbarXCHECK CrosscheckXCVR TransceiverXDCR TransducerXFMR TransformerXFR TransferXING CrossingXLOAD CrossloadXLTR TranslatorXML Extensible Mark-up LanguageXMSN TransmissionXMTR TransmitterXPDR TransponderXPNDR TransponderXREF CrossreferenceXSEC Extra SectionXT Reception (Transponder to TCAS)XTAL CrystalXTK Cross Track DeviationXTK Cross Track ErrorXTK Cross Track DistanceXWIND CrosswindY YellowYC Tourist Class



YCF Economy Class-FrontYCL Economy Class FrontYCR Economy Class-RearYE YearYES Yankee Escape System

YTPPPYearly Technical Publications Processing Planning

Y/C Economy ClassZ ZoneZ Greenwich Mean TimeZC Zone ControllerZFCG Zero Fuel Center of GravityZFW Zero Fuel WeightZp Pressure AltitudeZpi Indicated Pressure Altitude$ Dollar, Hexadecimal Address% Percent (Symbol)¢P Differential Pressure°C Degrees Centigrade°C Degrees Celsius°F Degrees Fahrenheit°K Degrees Kelvin°R Degrees Rankine



318/319/320321 abbreviations

Documents

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