DOCUMENT
Pilot/Controller Glossary
999 definitions by Federal Aviation Administration

Abbreviated IFR Flight PlansAbeamAbortAccelerate-Stop Distance AvailableAccelerate-Stop Distance AvailableAcknowledgeAcrobatic FlightAcrobatic FlightActual Calculated Landing Time (ACLT)Additional ServicesAdministratorAdvise IntentionsAdvisoryAdvisory FrequencyAdvisory ServiceAerial RefuelingAerodromeAerodrome BeaconAerodrome Control ServiceAerodrome Control TowerAerodrome ElevationAerodrome Traffic CircuitAeronautical BeaconAeronautical ChartAeronautical ChartAeronautical Information Manual (AIM)Aeronautical Information Publication (AIP)Aeronautical Radio, Inc. (ARINC)AirborneAirborne DelayAir Carrier District OfficeAircraftAircraftAircraft Approach CategoryAircraft ClassesAircraft ConflictAircraft List (ACL)Aircraft Surge Launch and RecoveryAir Defense EmergencyAir Defense Identification Zone (ADIZ)AirmetAir Navigation FacilityAirportAirport Advisory AreaAirport Arrival Rate (AAR)Airport Departure Rate (ADR)Airport ElevationAirport LightingAirport Marking AidsAirport Reference Point (ARP)Airport Reservation OfficeAirport Stream Filter (ASF)Airport Surface Detection Equipment (ASDE)Airport Surveillance RadarAirport Traffic Control ServiceAir Route Surveillance RadarAir Route Traffic Control CenterAirspace ConflictAirspace Flow Program (AFP)Airspace HierarchyAirspeedAirstartAir TaxiAir TrafficAir TrafficAir Traffic ClearanceAir Traffic ControlAir Traffic Control ClearanceAir Traffic Control ServiceAir Traffic Control SpecialistAir Traffic Control System Command Center (ATCSCC)Air Traffic ServiceAir Traffic Service (ATS) RoutesAirwayAirwayAirway BeaconAlertAlerting ServiceAlert NoticeAlert Phase (ALERFA)Along−Track Distance (ATD)Alphanumeric DisplayAlternate AerodromeAlternate AirportAltimeter SettingAltitudeAltitudeAltitude ReadoutAltitude ReservationAltitude RestrictionAltitude Restrictions are CanceledApproach ClearanceApproach Control FacilityApproach Control ServiceApproach Control ServiceApproach GateApproach Hold AreaApproach SequenceApproach SequenceApproach SpeedApproach with Vertical Guidance (APV)Appropriate ATS AuthorityAppropriate AuthorityApronApronArcArea Control CenterArea Navigation (RNAV)Area Navigation (RNAV) Approach ConfigurationArea Navigation (RNAV) Global Positioning System (GPS) Precision Runway Monitoring (PRM) ApproachArmy Aviation Flight Information BulletinArresting SystemArrival Aircraft IntervalArrival CenterArrival DelayArrival SectorArrival Sector Advisory ListArrival Sequencing ProgramArrival TimeAssociatedATC AdvisesATC Assigned AirspaceATC ClearsATC InstructionsATC Preferred Route NotificationATC Preferred RoutesATC RequestsATC Security ServicesATC Security Services PositionATC Security TrackingATC Surveillance SourceATS RouteAttention All Users Page (AAUP)Autoland ApproachAutomated Information TransferAutomated Mutual-Assistance Vessel Rescue SystemAutomated Problem Detection (APD)Automated Problem Detection Boundary (APB)Automated Problem Detection Inhibited Area (APDIA)Automated Radar Terminal Systems (ARTS)Automated UnicomAutomated Weather SystemAutomatic Altitude ReportingAutomatic Carrier Landing SystemAutomatic Dependent Surveillance (ADS)Automatic Dependent Surveillance-Broadcast (ADS-B)Automatic Dependent Surveillance-Contract (ADS−C)Automatic Dependent Surveillance-Rebroadcast (ADS-R)Automatic Direction FinderAutomatic Flight Information Service (AFIS) - Alaska FSSs OnlyAutomatic Terminal Information ServiceAutomatic Terminal Information ServiceAutorotationAvailable Landing Distance (ALD)Aviation Weather ServiceBack-TaxiBearingBelow MinimumsBlast FenceBlast PadBlind SpeedBlind SpotBlind VelocityBlockedBottom AltitudeBraking Action AdvisoriesBraking Action (Good, Medium, Poor, or Nil)BreakoutBroadcastBroadcastCalculated Landing TimeCall for ReleaseCall UpCanadian Minimum Navigation Performance Specification AirspaceCardinal AltitudesCatch PointCeilingCeilingCenter Radar Arts Presentation ProcessingCenter Radar Arts Presentation Processing-PlusCenter's AreaCenter Tracon Automation System (CTAS)Center Weather AdvisoryCentral East PacificCertified Tower Radar Display (CTRD)ChaffCharted VFR FlywaysCharted Visual Flight Procedure ApproachChart Supplement U.S.ChaseCircle-To-Land ManeuverCircle to Runway (Runway Number)Class G AirspaceClear Air Turbulence (CAT)Clearance LimitClearance LimitClearance Void If Not Off by (TIME)Clearance Void TimeCleared ApproachCleared as FiledCleared for TakeoffCleared for the OptionCleared ThroughCleared to LandCleared (Type of) ApproachClear of the RunwayClearwayClimboutClimb to VFRClimb ViaClosed RunwayClosed TrafficClose Parallel RunwaysCloudClutterCoastal FixCodesCold Temperature CompensationCombined Center-RapconCommon PointCommon RouteCommon RouteCommon Traffic Advisory Frequency (CTAF)Compass LocatorCompass RoseComply with RestrictionsComposite Flight PlanComposite Route SystemComposite SeparationCompulsory Reporting PointsConfidence ManeuverConflict AlertConflict ResolutionConformanceConformance RegionConsolanContactContact ApproachContaminated RunwayConterminous U.S.Continental United StatesContinueControl AreaControlled AirspaceControlled AirspaceControlled Time of ArrivalControllerController Pilot Data Link Communications (CPDLC)Control SectorControl SlashConvective SigmetCoordinatesCoordination FixCorrectionCoupled ApproachCourseCritical EngineCross (Fix) at (Altitude)Cross (Fix) at or Above (Altitude)Cross (Fix) at or Below (Altitude)CrosswindCrosswind ComponentCruiseCruise ClimbCruising AltitudeCruising LevelCT MessageCurrent Flight PlanCurrent PlanDanger AreaDead ReckoningDecision Altitude (DA)Decision Altitude/Decision Height (ICAO Annex 6)Decision HeightDecoderDefense AreaDefense Visual Flight RulesDelay Assignment (DAS)Delay Indefinite (Reason If Known) Expect Further Clearance (TIME)Delay TimeDepartment of Defense Flight Information Publications (DOD FLIP)Departure CenterDeparture ControlDeparture Sequencing ProgramDeparture TimeDescend ViaDescent Speed AdjustmentsDesignated Common Traffic Advisory Frequency (CTAF) AreaDesired CourseDesired TrackDeviationsDigital-Automatic Terminal Information Service (D-ATIS)Digital TargetDigital Terminal Automation System (DTAS)Digitized TargetDirectDirectly BehindDiscrete CodeDiscrete FrequencyDisplaced ThresholdDistance Measuring Equipment (DME)DistressDistress Phase (DETRESFA)Diverse Vector AreaDiversion (DVRSN)DME FixDME SeparationDomestic AirspaceDownburstDrag ChuteDrop ZoneDue RegardDVFR Flight PlanDynamicDynamic RestrictionsEmergencyEmergency Locator TransmitterEn Route Air Traffic Control ServicesEn Route Automation System (EAS)En Route Decision Support ToolEn Route DescentEn Route Minimum Safe Altitude WarningEn Route Spacing Program (ESP)EstablishedEstimated Elapsed TimeEstimated Off-Block TimeEstimated Time En RouteEstimated Time of ArrivalExecute Missed ApproachExpect (Altitude) at (Time) or (Fix)Expect Departure Clearance Time (EDCT)Expect Further Clearance (TIME)Expect Further Clearance Via (Airways, Routes or Fixes)ExpediteFast FileFeathered PropellerFeeder FixFeeder RouteFerry FlightFieldFiled En Route DelayFiled Flight PlanFinalFinal ApproachFinal Approach CourseFinal Approach FixFinal Approach-IFRFinal Approach PointFinal Approach SegmentFinal ControllerFinal Guard ServiceFinal Monitor AidFinal Monitor ControllerFirst Tier CenterFixFix BalancingFlagFlameoutFlameout PatternFlight CheckFlight Information RegionFlight Information ServiceFlight Information Service-Broadcast (FIS−B)Flight InspectionFlight LevelFlight LevelFlight LineFlight Management System ProcedureFlight Management SystemsFlight PathFlight PlanFlight Plan Area (FPA)Flight RecorderFlight RecorderFlight Service Station (FSS)Flight Standards District OfficeFlight TestFly-By WaypointFly Heading (Degrees)Fly-Over WaypointFormation FlightFreeze Calculated Landing TimeFreeze/FrozenFreeze HorizonFreeze Speed ParameterFriction MeasurementFuel DumpingFuel RemainingFuel SiphoningFusion [Stars/Carts]Gate Hold ProceduresGeneral AviationGeneral AviationGeo MapGlidepathGlideslopeGlideslope Intercept AltitudeGlobal Navigation Satellite System (GNSS)Global Navigation Satellite System Minimum En Route Ifr Altitude (GNSSMEA)Global Positioning System (GPS)Go AheadGo AroundGraphic Plan Display (GPD)Gross Navigation Error (GNE)Ground−Based Transceiver (GBT)Ground Based Augmentation System (GBAS)Ground Based Augmentation System (GBAS) Landing System (GLS)Ground ClutterGround Communication Outlet (GCO)Ground Controlled ApproachGround Delay Program (GDP)Ground SpeedGround Stop (GS)HandoffHave NumbersHazardous Inflight Weather Advisory ServiceHazardous Weather InformationHeight Above AirportHeight Above LandingHeight Above TouchdownHelicopterHelipadHeliportHeliport Reference Point (HRP)HertzHigh Altitude Redesign (HAR)High FrequencyHigh Frequency CommunicationsHigh Speed TaxiwayHiwas Broadcast AreaHiwas Outlet AreaHold for ReleaseHolding FixHolding PointHold in Lieu of Procedure TurnHold ProcedureHold-Short PointHold-Short Position LightsHold-Short Position MarkingHold-Short Position SignsHomingHomingHover CheckHover TaxiHow Do You Hear Me?IcingIDENTIdent FeatureIF/IAWPIf No Transmission Received for (TIME)Ifr AircraftIFR ConditionsIfr Military Training Routes (IR)Ifr Takeoff Minimums and Departure ProceduresILS CategoriesILS Prm ApproachImmediatelyIncerfa (Uncertainty Phase)Inertial Navigation SystemInformation RequestInitial Approach FixInitial Approach SegmentInland Navigation FacilityInner MarkerInstrument Approach ProcedureInstrument Approach ProcedureInstrument Departure Procedure (DP)Instrument Flight RulesInstrument Flight RulesInstrument Landing SystemInstrument Meteorological ConditionsInstrument RunwayInstrument RunwayIntegrityIntermediate Approach SegmentIntermediate FixIntermediate LandingInternational AirportInternational AirportInternational Civil Aviation OrganizationInternational Flight Information ManualInterrogatorIntersecting RunwaysIntersectionIntersection DepartureI Say AgainISRJammingJet BlastJet RouteJet StreamJettisoning of External StoresJump ZoneKnown TrafficLahsoLahso-DryLahso-WetLand and Hold Short OperationsLanding AreaLanding AreaLanding Direction IndicatorLanding Distance AvailableLanding Distance Available (LDA)Landing MinimumsLanding RollLanding SequenceLast Assigned AltitudeLateral Navigation (LNAV)Lateral SeparationLighted AirportLight GunLight-Sport Aircraft (LSA)Line Up and Wait (LUAW)Local Airport Advisory (LAA)LocalizerLocalizer Course [ICAO]Localizer Type Directional Aid (LDA) Precision Runway Moniter (PRM) ApproachLocalizer Usable DistanceLocal TrafficLocatorLongitudinal SeparationLORANLost CommunicationsLow Altitude Airway StructureLow ApproachLow FrequencyLPVMach NumberMach TechniqueMaintainMaintenance Planning Friction LevelMake Short ApproachMandatory AltitudeMan Portable Air Defense Systems (MANPADS)Marker BeaconMaximum Authorized AltitudeMaydayMeteorological Impact StatementMeter Fix ArcMeter Fix Time/Slot TimeMeteringMetering AirportsMetering FixMetering Position ListMetering Position(S)Meter List Display IntervalMicroburstMicro-En Route Automated Radar Tracking System (MEARTS)Middle MarkerMiles-In-TrailMilitary Authority Assumes Responsibility for Separation of AircraftMilitary Landing ZoneMilitary Training RoutesMinimum Crossing AltitudeMinimum Descent AltitudeMinimum En Route Ifr Altitude (MEA)Minimum Friction LevelMinimum FuelMinimum Holding AltitudeMinimum Ifr Altitudes (MIA)Minimum Navigation Performance SpecificationMinimum Navigation Performance Specification AirspaceMinimum Obstruction Clearance Altitude (MOCA)Minimum Reception AltitudeMinimumsMinimum Safe AltitudeMinimum Safe Altitude WarningMinimum Sector Altitude [ICAO]Minimum Vectoring Altitude (MVA)Minutes-In-TrailMissed ApproachMissed Approach PointMissed Approach ProcedureModeMode C Intruder AlertMode (SSR Mode)MonitorMonitor Alert (MA)Monitor Alert Parameter (MAP)Mosaic/Multi−Sensor ModeMovement AreaMovement AreaMoving Target IndicatorMulticomMultiple RunwaysNational Airspace SystemNational Beacon Code Allocation Plan AirspaceNational Flight Data CenterNational Flight Data DigestNational Search and Rescue PlanNavaid ClassesNavigable AirspaceNavigational AidNavigation Reference System (NRS)Navigation SpecificationNegativeNegative ContactNightNightNo Gyro ApproachNonapproach Control TowerNon−Restrictive Routing (NRR)Noncommon Route/PortionNoncomposite SeparationNondirectional BeaconNonmovement AreasNonprecision Approach ProcedureNonradarNonradar SeparationNordo (No Radio)Normal Operating Zone (NOZ)North American RouteNorth American Route Program (NRP)North MarkNorth PacificNotamNotices to Airmen PublicationNotice to AirmenNo Transgression Zone (NTZ)Numerous Targets Vicinity (LOCATION)ObstacleObstacle Departure Procedure (ODP)Obstacle Free ZoneObstructionObstruction LightOceanic AirspaceOceanic Error ReportOceanic Published RouteOceanic Transition RouteOff CourseOff-Route VectorOffset Parallel RunwaysOffshore/Control Airspace AreaOn CourseOn-Course IndicationOne-Minute WeatherOperations SpecificationsOpposite Direction AircraftOption ApproachOrganized Track SystemOROCAOutOuter Area (Associated with Class C Airspace)Outer FixOuter FixOuter Fix ArcOuter Fix TimeOuter MarkerOverOverhead ManeuverOverlying CenterPan-PanParallel Ils ApproachesParallel Offset RouteParallel RunwaysPerformance−Based Navigation (PBN) [ICAO]Permanent EchoPhoto ReconnaissancePilot BriefingPilot in CommandPilot's DiscretionPilot Weather ReportPitch PointPlans DisplayPoint−To−Point (PTP)Polar Track StructurePosition ReportPosition SymbolPositive ControlPractice Instrument ApproachPre−Departure ClearancePrearranged CoordinationPrearranged Coordination ProceduresPrecipitationPrecipitation Radar Weather DescriptionsPrecision Approach ProcedurePrecision Approach RadarPrecision Approach Radar [ICAO]Precision Obstacle Free Zone (POFZ)Precision Runway Monitor (PRM) SystemPredictive Wind Shear Alert System (PWS)Preferential RoutesPreferred Ifr RoutesPrimary Radar TargetProcedure TurnProcedure TurnProcedure Turn InboundProfile DescentProgressive TaxiProhibited AreaProminent ObstacleProposed Boundary Crossing TimeProposed Departure TimeProtected AirspaceProtected SegmentPublished Instrument Approach Procedure Visual SegmentPublished RouteQNEQNHQ RouteQuadrantQuick LookRadarRadarRadar AdvisoryRadar ApproachRadar ApproachRadar Approach Control FacilityRadar ArrivalRadar ClutterRadar ContactRadar Contact LostRadar EnvironmentRadar Flight FollowingRadar IdentificationRadar IdentificationRadar Identified AircraftRadar Point OutRadar RequiredRadar RouteRadar ServiceRadar ServiceRadar Service TerminatedRadar SurveillanceRadar Traffic AdvisoriesRadar VectoringRader ContactRadialRadioRadio AltimeterRadio Magnetic IndicatorRandom AltitudeRandom RouteRead BackReceiver Autonomous Integrity Monitoring (RAIM)Receiving ControllerReconformanceRelease TimeRelease TimeRemote Airport Information Service (RAIS)Remote Communications Air/Ground FacilityRemote Communications OutletReportReporting PointReporting PointRequest Full Route ClearanceRequired Navigation Performance (RNP)Rescue Coordination CenterRescue Co-Ordination CentreResolution AdvisoryRestricted AreaResume Normal SpeedResume Own NavigationResume Published SpeedRnav ApproachRoad ReconnaissanceRogerRouteRoute Action NotificationRoute SegmentRoute SegmentRunwayRunwayRunway Condition ReadingRunway Entrance Lights (REL)Runway GradientRunway HeadingRunway in Use/Active Runway/Duty RunwayRunway OverrunRunway Profile DescentRunway Safety AreaRunway Status Lights (RWSL) SystemRunway TransitionRunway Use ProgramSafety AlertSafety Logic SystemSafety Logic System AlertsSail BackSame Direction AircraftSay AgainSay AltitudeSay HeadingScheduled Time of Arrival (STA)Sea LaneSearch and RescueSearch and Rescue FacilitySecondary Radar TargetSector List Drop IntervalSecurity Notice (SECNOT)Security Services AirspaceSee and AvoidSegmented CircleSegments of an Instrument Approach ProcedureSeparationSeparationSeparation MinimaServiceSevere Weather Avoidance PlanSevere Weather Forecast AlertsShort Range ClearanceShort Takeoff and Landing AircraftSidestep ManeuverSigmetSigmet InformationSignificant PointSimplified Directional FacilitySimulated FlameoutSimultaneous Close Parallel ApproachesSimultaneous (Converging) Dependent ApproachesSimultaneous (Converging) Independent ApproachesSimultaneous Ils ApproachesSimultaneous Offset Instrument Approach (SOIA)Simultaneous (Parallel) Dependent ApproachsSingle Direction RoutesSingle Frequency ApproachSingle-Piloted AircraftSkyspotterSlashSlow TaxiSpeak SlowerSpecial Activity Airspace (SAA)Special EmergencySpecial Use AirspaceSpecial VFR ConditionsSpecial Vfr FlightSpecial VFR OperationsSpeed AdjustmentSpeed BrakesSpeed SegmentsSquawk (Mode, Code, Function)Staging/QueuingStandard Instrument Departure (SID)Standard Rate TurnStandard Terminal ArrivalStand byState AircraftStatic RestrictionsStationary ReservationsStepdown FixStep TaxiStep TurnStereo RouteStop Altitude SquawkStop and GoStopover Flight PlanStop Squawk (Mode or Code)Stop StreamStopwayStraight-In Approach IfrStraight-In Approach VfrStraight-In LandingStrategic PlanningSubstitute RouteSunset and SunriseSupplemental Weather Service LocationSUPPSSurface AreaSurpicSurveillance ApproachSystem Strategic NavigationTacan-Only AircraftTactical Air NavigationTailwindTakeoff Distance AvailableTakeoff Distance Available (TODA)Takeoff Hold Lights (THL)Takeoff RollTakeoff Run AvailableTakeoff Run Available (TORA)TargetTargetTarget ResolutionTarget SymbolTarmac DelayTarmac Delay AircraftTarmac Delay RequestTaxiTaxi PatternsTelephone Information Briefing ServiceTemporary Flight Restriction (TFR)Tentative Calculated Landing TimeTerminal AreaTerminal Area FacilityTerminal Automation Systems (TAS)Terminal Data Link System (TDLS)Terminal Radar Service AreaTerminal-Very High Frequency Omnidirectional Range StationTerminal VFR Radar ServiceTerrain Awareness Warning System (TAWS)Terrain FollowingTetrahedronThat is CorrectThree−Hour Tarmac RuleThresholdThreshold Crossing HeightTie-In FacilityTime Based Flow Management (TBFM)Time GroupTop AltitudeTorchingTotal Estimated Elapsed TimeTouch-and-GoTouchdownTouchdownTouchdown ZoneTouchdown ZoneTouchdown Zone ElevationTowerTower en Route Control ServiceTraceable Pressure StandardTrackTrackTrack of Interest ResolutionTrack of Interest (TOI)TrafficTraffic AdvisoriesTraffic Alert and Collision Avoidance SystemTraffic Information Service-Broadcast (TIS−B)Traffic in SightTraffic Management Program AlertTraffic Management UnitTraffic No FactorTraffic No Longer ObservedTraffic PatternTraffic Situation Display (TSD)TrajectoryTrajectory ModelingTrajectory Options Set (TOS)Transcribed Weather BroadcastTransfer of ControlTransfer of ControlTransferring ControllerTransferring Unit/ControllerTransitionTransitional AirspaceTransition PointTransition WaypointTransmissometerTransmitting in the BlindTransponderTransponderTransponder ObservedTrial PlanTurbojet AircraftTurboprop AircraftUltrahigh FrequencyUltralight VehicleUnableUnassociatedUnder the HoodUnfrozenUnicomUnmanned Aircraft System (UAS)Unmanned Aircraft (UA)Unpublished RouteUnreliable (GPS/WAAS)UrgencyUrgencyVectorVerifyVerify Specific Direction of Takeoff (Or Turns After Takeoff)VertexVertex Time of ArrivalVertical Navigation (VNAV)Vertical SeparationVertical Takeoff and Landing AircraftVery High FrequencyVery Low FrequencyVFR AircraftVFR ConditionsVFR Military Training RoutesVFR Not RecommendedVFR-On-TopVideo MapVisibilityVisibilityVisual ApproachVisual ApproachVisual Climb Over Airport (VCOA)Visual Descent PointVisual Flight RulesVisual HoldingVisual Meteorological ConditionsVisual SeparationVoice Switching and Control SystemVORVortacVorticesVOTWake TurbulenceWaypointWeather AdvisoryWhen AbleWide-Area Augmentation System (WAAS)Wide Area Multilateration (WAM)WilcoWind Grid DisplayWind ShearWind Shear Escape
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Date
2016-05-26
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