Q-CODE 2nd & 3rd Letters

Select a Subject Category and then a Subject Code:

Subject Categories:
(A) Airspace Organization
(C) Communications and Radar
(F) Facilities and Services
(G) Military
(I) Instrument and Microwave Landing
(L) Lighting
(M) Movement and Landing Area
(N) Terminal and En-route Navigation
(O) Other Information
(P) Air Traffic Procedures
(R) Airspace Restrictions
(S) Air Traffic and VOLMET Services
(T) Hazard
(W) Warnings
(X) Other


Airspace Organization (A)
AAMINIMUM ALTITUDE
ACCLASS B, C, D OR E SURFACE AREA (ICAO-CONTROL ZONE)
ADADIZ
AECONTROL AREA
AFFLIGHT INFORMATION REGION (FIR)
AGGENERAL FACILITY
AHUPPER CONTROL AREA
ALMINIMUM USABLE FLIGHT LEVEL
ANAIR NAVIGATION ROUTE
AOOCEANIC CONTROL ZONE (OCA)
APREPORTING POINT
ARATS ROUTE
ATTERMINAL CONTROL AREA (TMA)
AUUPPER FLIGHT INFORMATION REGION
AVUPPER ADVISORY AREA
AXINTERSECTION
AZAERODROME TRAFFIC ZONE (ATZ)
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Communications and Radar (C)
CAAIR/GROUND FACILITY
CBAUTOMATIC DEPENDENT SURVEILLANCE - BROADCAST
CCAUTOMATIC DEPENDENT SURVEILLANCE - CONTRACT
CDCONTROLLER-PILOT DATA LINK COMMUNICATIONS
CEENROUTE SURVELLENCE RADAR
CGGROUND CONTROLLED APPROACH SYSTEM (GCA)
CLSELECTIVE CALLING SYSTEM
CMSURFACE MOVEMENT RADAR
CPPAR
CRSURVEILLANCE RADAR ELEMENT OF PAR SYSTEM
CSSECONDARY SURVEILLANCE RADAR
CTTERMINAL AREA SURVEILLANCE RADAR
GJASR
GKPRECISION APPROACH LANDING SYSTEM
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Facilities and Services (F)
FAAERODROME
FBBRAKING ACTION MEASUREMENT EQUIPMENT
FCCEILING MEASUREMENT EQUIPMENT
FDDOCKING SYSTEM
FEOXYGEN
FFFIRE FIGHTING AND RESCUE
FGGROUND MOVEMENT CONTROL
FHHELICOPTER ALIGHTING AREA/PLATFORM
FIAIRCRAFT DE-ICING
FJOILS
FLLANDING DIRECTION INDICATOR
FMMETEOROLOGICAL SERVICE
FOFOG DISPERSAL SYSTEM
FPHELIPORT
FSSNOW REMOVAL EQUIPMENT
FTTRANSMISSOMETER
FUFUEL AVAILABILITY
FWWIND DIRECTION INDICATOR
FZCUSTOMS
GCTRANSIENT MAINTENANCE
GDSTARTER UNIT
GESOAP
GFDEMINERALIZED WATER
GGOXYGEN
GHOIL
GIDRAG CHUTES
GLFACSFAC
GSNITROGEN
GUDE-ICE
GZBASE OPERATIONS
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Military (G)
GBOPTICAL LANDING SYSTEM
GCTRANSIENT MAINTENANCE
GDSTARTER UNIT
GESOAP
GFDEMINERALIZED WATER
GGOXYGEN
GHOIL
GIDRAG CHUTES
GJASR
GKPRECISION APPROACH LANDING SYSTEM
GLFACSFAC
GMFIRING RANGE
GNNIGHT VISION GOGGLE (NVG) OPERATIONS
GOWARNING AREA
GPARRESTING GEAR MARKERS (AGM)
GQPULSATING/STEADY VISUAL APPROACH SLOPE INDICATOR
GRDIVERSE DEPARTURE
GSNITROGEN
GTIFR TAKE-OFF MINIMUMS AND DEPARTURE PROCEDURES
GUDE-ICE
GVCLEAR ZONE
GXRUNWAY DISTANCE REMAINING (RDR) SIGNS
GYHELO PAD
GZBASE OPERATIONS
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Instrument and Microwave Landing (I)
ICILS
IDDME ASSOCIATED WITH ILS
IGGLIDE PATH (ILS)
IIINNER MARKER (ILS)
ILLOCALIZER (ILS)
IMMIDDLE MARKER (ILS)
INLOCALIZER
IOOUTER MARKER (ILS)
ISILS CATEGORY I
ITILS CATEGORY II
IUILS CATEGORY III
IWMLS
IXLOCATOR, OUTER, (ILS)
IYLOCATOR, MIDDLE (ILS)
GMFIRING RANGE
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Lighting (L)
LAAPPROACH LIGHTING SYSTEM
LBAERODROME BEACON
LCRUNWAY CENTERLINE LIGHTS
LDLANDING DIRECTION INDICATOR LIGHTS
LERUNWAY EDGE LIGHTS
LFSEQUENCED FLASHING LIGHTS
LGPILOT-CONTROLLED LIGHTING
LHHIGH INTENSITY RUNWAY LIGHTS
LIRUNWAY END IDENTIFIER LIGHTS
LJRUNWAY ALIGNMENT INDICATOR LIGHTS
LKCATEGORY II COMPONENTS OF APPROACH LIGHTING SYSTEM
LLLOW INTENSITY RUNWAY LIGHTS
LMMEDIUM INTENSITY RUNWAY LIGHTS
LPPRECISION APPROACH PATH INDICATOR
LRALL LANDING AREA LIGHTING FACILITIES
LSSTOPWAY LIGHTS
LTTHRESHOLD LIGHTS
LUHELICOPTER APPROACH PATH INDICATOR
LVVISUAL APRROACH SLOPE INDICATOR
LWHELIPORT LIGHTING
LXTAXIWAY CENTER LINE LIGHTS
LYTAXIWAY EDGE LIGHTS
LZRUNWAY TOUCH DOWN ZONE LIGHTS
GBOPTICAL LANDING SYSTEM
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Movement and Landing Area (M)
MAMOVEMENT AREA
MBBEARING STRENGTH
MCCLEARWAY
MDDECLARED DISTANCES
MGTAXIING GUIDANCE SYSTEM
MHRUNWAY ARRESTING GEAR
MKPARKING AREA
MMDAYLIGHT MARKINGS
MNAPRON
MOSTOP BAR
MPAIRCRAFT STANDS
MRRUNWAY
MSSTOPWAY
MTTHRESHOLD
MURUNWAY TURNING BAY
MWSTRIP
MXTAXIWAY
MYRAPID EXIT TAXIWAY
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Terminal and En-route Navigation (N)
NAALL RADIO NAVIGATION FACILITIES
NBNDB
NCDECCA
NDDME
NFFAN MARKER
NLLOCATOR
NMVOR/DME
NNTACAN
NTVORTAC
NVVOR
NXDIRECTION FINDING STATION
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Other Information (O)
OAAERONAUTICAL INFORMATION SERVICE
OBOBSTACLE
OEAIRCRAFT ENTRY REQUIREMENTS
OLOBSTACLE LIGHTS
ORRESCUE COORDINATION CENTER
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Air Traffic Procedures (P)
PASTANDARD INSTRUMENT ARRIVAL (STAR)
PBSTANDARD VFR ARRIVAL
PCCONTINGENCY PROCEDURES
PDSTANDARD INSTRUMENT DEPARTURE (SID)
PESTANDARD VFR DEPARTURE
PFFLOW CONTROL PROCEDURES
PHHOLDING PROCEDURES
PIINSTRUMENT APPROACH PROCEDURE
PKVFR APPROACH PROCEDURE
PLOBSTACLE CLEARANCE LIMIT
PMAERODROME OPERATING MINIMA
PNNOISE OPERATING RESTRICTIONS
POOBSTACLE CLEARANCE ALTITUDE
PPOBSTACLE CLEARANCE HEIGHT
PRRADIO FAILURE PROCEDURE
PTTRANSITION ALTITUDE
PUMISSED APPROACH PROCEDURE
PXMINIMUM HOLDING ALTITUDE
PZADIZ PROCEDURE
GRDIVERSE DEPARTURE
GTIFR TAKE-OFF MINIMUMS AND DEPARTURE PROCEDURES
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Airspace Restrictions (R)
RAAIRSPACE RESERVATION
RDDANGER AREA
RM
ROOVERFLYING OF
RPPROHIBITED AREA
RRRESTRICTED AREA
RTTEMPORARY RESTRICTED AREA
GOWARNING AREA
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Air Traffic and VOLMET Services (S)
SAAUTOMATIC TERMINAL INFORMATION SERVICE (ATIS)
SBATS REPORT OFFICE
SCAREA CONTROL CENTER
SEFLIGHT INFORMATION SERVICE
SFAERODROME FLIGHT INFORMATION SERVICE (AFIS)
SLFLOW CONTROL CENTER
SOOCEANIC AREA CONTROL CENTER
SPAPPROACH CONTROL
SSFLIGHT SERVICE STATION
STAERODROME CONTROL TOWER
SUUPPER AREA CONTROL CENTER
SVVOLMENT BROADCAST
SYUPPER ADVISORY SERVICE
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Hazard (T)
TTMIJI
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Warnings (W)
WAAIR DISPLAY
WBAEROBATICS
WCCAPTIVE BALLOON OR KITE
WDDEMOLITION OF EXPLOSIVES
WEEXERCISES
WFAIR REFUELING
WGGLIDER FLYING
WHBLASTING
WJBANNER/TARGET TOWING
WLASCENT OF FREE BALLOON
WMMISSLE, GUN OR ROCKET FIRING
WPPARACHUTE JUMPING EXERCISE
WRRADIOACTIVE MATERIALS OR TOXIC CHEMICALS
WSBURNING OR BLOWING GAS
WTMASS MOVEMENT OF ACFT
WUUNMANNED AIRCRAFT
WVFORMATION FLT
WWSIGNIFICANT VOLCANIC ACTIVITY
WYAERIAL SURVEY
WZMODEL FLYING
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Other (X)
XX
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