IFR AERONAUTICAL CHART SYMBOLS

40IFR AERONAUTICAL CHART SYMBOLSIFR Enroute Low/High Altitude (U.S. & Alaska Charts)AIRPORTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .RADIO AIDS TO NAVIGATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AIRSPACE INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .NAVIGATIONAL AND PROCEDURAL INFORMATION . . . . . . . . . . . . . . .CULTURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .HYDROGRAPHY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TOPOGRAPHY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41424346474747Oceanic Route ChartsNorth Atlantic and North Pacific Route ChartsAIRPORTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .RADIO AIDS TO NAVIGATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AIRSPACE INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .NAVIGATIONAL AND PROCEDURAL INFORMATION . . . . . . . . . . . . . . .CULTURAL BOUNDARIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .HYDROGRAPHY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .484848494949GENERAL INFORMATIONSymbols shown are for the Instrument Flight Rules (IFR) Enroute Low and High Altitude Charts.

41IFR ENROUTE LOW/HIGH ALTITUDE U.S. & ALASKA CHARTSAIRPORTSAIRPORTSAIRPORT DATAIFR ENROUTE LOW/HIGH ALTITUDECHARTSAERONAUTICALINFORMATIONLOW/HIGH ALTITUDEAirports/Seaplane bases shown in BLUE andGREEN have an approved Instrument ApproachProcedure published. Those in BLUE have anapproved DOD Instrument Approach Procedureand/or DOD RADAR MINIMA published in DODFLIPS or Alaska Terminal. Airports/Seaplanebases shown in BROWN do not have a publishedInstrument Approach Procedure.CIVILCIVIL ANDMILITARYAll IAP Airports are shown on the LowAltituide Charts.Non-IAP Airports shown on the U.S. LowAltitude Charts have a minimum hardsurface runway of 3000'.MILITARYNon-IAP Airports shown on the Alaska LowAltitude Charts have a minimum hard or softsurface runway of 3000'.Airports shown on the U.S. High AltitudeCharts have a minimum hard surfacerunway of 5000'.Airports shown on the Alaska High AltitudeCharts have a minimum hard or soft surfacerunway of 4000'.Associated city names for public airports areshown above or preceding the airport name.If airport name and city name are the same,only the airport name is shown. City namesfor military and private airports are notshown.The airport identifier in parentheses followsthe airport name or Pvt.Airport symbol may be offset for enroutenavigational aids.Pvt - Private UseAIRPORT DATADEPICTIONLOW ALTITUDE - U.S. & ALASKAAirportNameAssociatedCity NameAirportIdentifierMARTINSBURGAirport Eastern WV Rgnl (MRB)ElevationAutomaticTerminalInformation Part-timeServiceFrequencyPart-time or establishedby NOTAM. See A/Gtabulation for times ofoperation.In Alaska seeSupplement AlaskaLongest runway lengthto nearest 100 feet with70 feet as the dividingpoint (add 00)s indicates soft surface1. Airport elevation given in feet above or belowmean sea level.2. Pvt - Private use, not available to general public.3. A solid line box enclosing the airport nameindicates FAR 93 Special Requirements- seeDirectory/Supplement4. "NO SVFR" above the airport name indicates FAR91 fixed-wing special VFR flight is prohibitedor5.following the airport name indicatesClass C or Class D Airspace.6. There is no A/G tabulation on Alaska LowAltitude Charts.7. Airport symbol may be offset for enroutenavigational aids.8. City names for military and private airports arenot shown.HIGH ALTITUDE - U.S.AssociatedCity NameAirportNameSIOUX CITYJoe Foss Fld (FSD)AirportIdentifierHIGH ALTITUDE - ALASKAAirportNameAirportElevationGALENAEdward GPitka Sr (GAL)1572sAssociatedCity NameAirportIdentifierLongest runwaylength to nearest 100feet with 70 feet asthe dividing point(add 00)s indicates softSEAPLANE CIVILHELIPORT

IFR ENROUTE LOW/HIGH ALTITUDE U.S. & ALASKA CHARTSRADIO AIDS TO NAVIGATIONVHFOMNIDIRECTIONALRADIO RANGE(VOR)DISTANCEMEASURINGEQUIPMENT DIO BEACON(NDB)MARINERADIO BEACON(RBN)COMPASSLOCATORBEACONILS LOCALIZERWAYPOINT DATAWAYPOINTRADIO AIDS TO NAVIGATIONNAVIGATION andCOMMUNICATIONBOXES42

43IFR ENROUTE LOW/HIGH ALTITUDE U.S. & ALASKA CHARTSAIRSPACE INFORMATIONAIRSPACE INFORMATIONLOW ALTITUDEAIRWAYSHIGH THIGH ALTITUDEWaypoint154MEA - 23000GQ7300J12MagneticReferenceBearingRNAV RouteQ7MEA - 27000300MEA - 23000GJoint Jet/RNAV RouteSINGLEDIRECTIONROUTES1000-0600ZV 193TACTICAL AIRNAVIGATION(TACAN)FIX - ALASKARADIALSANDBEARINGSDIRECTION OFFLIGHT ILITARYTRAININGROUTES (MTR)All radials and bearingsare magneticFACILITYLOCATORSMILEAGESAll Mileages areNautical (NM)DISTANCEMEASURINGEQUIPMENT (DME)FIX(RCRCP)Mileage Breakdown orComputer Navigation Fix(CNF).Five-letter identifier inparenthesis indicates CNFwith no ATC function

IFR ENROUTE LOW/HIGH ALTITUDE U.S. & ALASKA CHARTSAIRSPACE INFORMATIONMINIMUMENROUTEALTITUDE (MEA)All Altitudes Are MSLUnless Otherwise Noted35003000GRNAV/GPS MEAA05500350055003500MINIMUMENROUTEALTITUDE (MEA)GAPAIRDEFENSEIDENTIFICATIONZONE (ADIZ)A0AIRROUTETRAFFICCONTROLCENTER (ARTCC)J4V4V4All Altitudes Are MSLUnless OtherwiseNotedAIR ONCLEARANCEALTITUDE (MOCA)3500V4V4MAXIMUMAUTHORIZEDALTITUDE (MAA)AIRSPACE INFORMATIONALTIMETERSETTINGCHANGEV4All Altitudes Are MSLUnless OtherwiseNotedFLIGHTINFORMATIONREGIONS (FIR)CHANGEOVERPOINTALTITUDECHANGECONTROLAREAS (CTA)MINIMUMCROSSINGALTITUDE (MCA)MINIMUMRECEPTIONALTITUDE (MRA)UPPERINFORMATIONREGIONS (UIR)UPPERCONTROL 4

45IFR ENROUTE LOW/HIGH ALTITUDE U.S. & ALASKA CHARTSAIRSPACE INFORMATIONOFF AIRSPACEOROCA is computed similarly to the MaximunElevation Figure (MEF) found on Visual charts exceptthat it provides an additional vertical buffer of 1,000feet in designated non-mountainous areas and a2,000 foot vertical buffer in designated mountainousareas within the United States.SPECIAL USEAIRSPACESPECIAL USEAIRSPACEContinuedAIRSPACE INFORMATION

IFR ENROUTE LOW/HIGH ALTITUDE U.S. & ALASKA CHARTSAIRSPACE INFORMATIONCONTROLLEDAIRSPACENAVIGATIONAL AND PROCEDURAL INFORMATIONISOGONIC LINEAND VALUETIME ZONEENLARGEMENTAREACONTROLLEDAIRSPACECanada OnlyMATCH MARKUNCONTROLLEDAIRSPACECANADIAN AIRSPACEAppropriate notes asrequired may beshown.AIRSPACE OUTSIDEOF U.S.Other than CanadaAppropriate notes asrequired may beshown.46

47IFR ENROUTE LOW/HIGH ALTITUDE U.S. & ALASKA CHARTSNAVIGATIONAL AND PROCEDURAL INFORMATIONCRUISINGALTITUDESU.S. onlyNAVIGATIONAL AND PROCEDURAL INFORMATIONMORSE CODECULTUREBOUNDARIESCULTURE &HYDROGRAPHYInternationalU.S. /RussiaMaritime LineDate LineHYDROGRAPHYSHORELINENOTESTOPOGRAPHYTERRAINArea Charts

OCEANIC ROUTE CHARTS - Aeronautical InformationAIRSPACE INFORMATIONAIRPORTSAIR DEFENSEIDENTIFICATIONZONE (ADIZ)AIRPORT DATALANDPLANE-CIVILRefueling and repairfacilities for normaltraffic.AIR ROUTETRAFFIC CONTROLCENTER (ARTCC)LANDPLANE-CIVILAND MILITARYRefueling and repairfacilities for normaltraffic.FLIGHTINFORMATIONREGIONS (FIR)and/or (CTA)LANDPLANEMILITARYRefueling and repairfacilities for normaltraffic.UPPERINFORMATIONREGIONS (UIR)RADIO AIDS TO NAVIGATIONVHFOMNIDIRECTIONALRADIO RANGE(VOR)DISTANCEMEASURINGEQUIPMENT(DME)TACTICAL AIRNAVIGATION (TACAN)NON-DIRECTIONALRADIO BEACON(NDB)DISTANCEMEASURINGEQUIPMENT(DME)UPPER CONTROLAREAS (UTA)OCEANIC CONTROLAREAS (OCA)and /or (CTA /FIR)ADDITIONALOCEANIC CONTROLAREASNote: Limits notshown when coincident with WarningAreas.BUFFER ZONENON-FREEFLYING ZONEIDENTIFICATION BOXOCEANIC ROUTECHARTSAIRSPACE INFORMATIONAIR TRAFFIC SERVICE (ATS) OCEANICROUTESNote: Mileages areNautical (NM)ATS SINGLE DIRECTION ROUTENORTH ATLANTIC PS)REPORTINGPOINTSSPECIAL USEAIRSPACEWarning AreaSpecial Use12 Mile LimitAERIALREFUELINGTRACKSUNCONTROLLEDAIRSPACE48

49OCEANIC ROUTE CHARTS - Aeronautical InformationNAVIGATIONAL AND PROCEDURAL INFORMATIONMILEAGE CIRCLESNote: Mileages areNautical (NM)Time ZoneNote: All time isCoordinated Universal (Standard)Time (UTC)CULTURAL BOUNDARIESINTERNATIONALMARITIMEDATE LINEOverlap MarksNPRC OnlyCOMPASS ROSENote: CompassRoses oriented toMagnetic NorthHYDROGRAPHYSHORELINESNOTESWARNING

IFR AERONAUTICAL CHART SYMBOLS . Symbols shown are for the Instrument Flight Rules (IFR) Enroute Low and High Altitude Charts. . OCEANIC ROUTE CHARTS - Aeronautical Information 48 AIRPORTS AIRPORT DATA LANDPLANE-CIVIL Refueling and repair facilities for normal traffic.