Q-CODE 4th & 5th Letters for
Airspace Organization



MINIMUM ALTITUDE (AA)
CHCHANGED
CSINSTALLED
TTHAZARD
XX
Top
Back to 2nd & 3rd Top


CLASS B, C, D OR E SURFACE AREA (ICAO-CONTROL ZONE) (AC)
AHHOURS OF SERVICE ARE
AMMILITARY OPERATIONS ONLY
AWCOMPLETELY WITHDRAWN
CAACTIVATED
CDDEACTIVATED
CHCHANGED
CSINSTALLED
LBRESERVED FOR AIRCRAFT BASED THEREIN
LCCLOSED
LPPROHIBITED TO
LVCLOSED TO VFR OPERATIONS
XX
Top
Back to 2nd & 3rd Top


ADIZ (AD)
AMMILITARY OPERATIONS ONLY
AWCOMPLETELY WITHDRAWN
CAACTIVATED
CDDEACTIVATED
CHCHANGED
CLREALIGNED
LCCLOSED
LICLOSED TO IFR OPERATIONS
LPPROHIBITED TO
LVCLOSED TO VFR OPERATIONS
TTHAZARD
XX
Top
Back to 2nd & 3rd Top


CONTROL AREA (AE)
AMMILITARY OPERATIONS ONLY
AWCOMPLETELY WITHDRAWN
CAACTIVATED
CDDEACTIVATED
CHCHANGED
CIIDENTIFICATION OR RADIO CALL SIGN CHANGED TO
CLREALIGNED
LCCLOSED
LICLOSED TO IFR OPERATIONS
LPPROHIBITED TO
LVCLOSED TO VFR OPERATIONS
TTHAZARD
XX
Top
Back to 2nd & 3rd Top


FLIGHT INFORMATION REGION (FIR) (AF)
AMMILITARY OPERATIONS ONLY
AWCOMPLETELY WITHDRAWN
CAACTIVATED
CDDEACTIVATED
CHCHANGED
CIIDENTIFICATION OR RADIO CALL SIGN CHANGED TO
CLREALIGNED
HXCONCENTRATION OF BIRDS
LCCLOSED
LICLOSED TO IFR OPERATIONS
LPPROHIBITED TO
LVCLOSED TO VFR OPERATIONS
TTHAZARD
XX
Top
Back to 2nd & 3rd Top


GENERAL FACILITY (AG)
XX
Top
Back to 2nd & 3rd Top


UPPER CONTROL AREA (AH)
AMMILITARY OPERATIONS ONLY
AWCOMPLETELY WITHDRAWN
CAACTIVATED
CDDEACTIVATED
CHCHANGED
CIIDENTIFICATION OR RADIO CALL SIGN CHANGED TO
CLREALIGNED
CSINSTALLED
LCCLOSED
LPPROHIBITED TO
TTHAZARD
XX
Top
Back to 2nd & 3rd Top


MINIMUM USABLE FLIGHT LEVEL (AL)
CHCHANGED
TTHAZARD
XX
Top
Back to 2nd & 3rd Top


AIR NAVIGATION ROUTE (AN)
AMMILITARY OPERATIONS ONLY
APPRIOR PERMISSION REQUIRED
ARAVAILABLE, PRIOR PERMISSION REQUIRED
AWCOMPLETELY WITHDRAWN
CAACTIVATED
CDDEACTIVATED
CHCHANGED
CIIDENTIFICATION OR RADIO CALL SIGN CHANGED TO
CLREALIGNED
CSINSTALLED
LCCLOSED
LTLIMITED TO
TTHAZARD
XX
Top
Back to 2nd & 3rd Top


OCEANIC CONTROL ZONE (OCA) (AO)
AMMILITARY OPERATIONS ONLY
AWCOMPLETELY WITHDRAWN
CAACTIVATED
CDDEACTIVATED
CHCHANGED
CIIDENTIFICATION OR RADIO CALL SIGN CHANGED TO
CLREALIGNED
LCCLOSED
LICLOSED TO IFR OPERATIONS
LPPROHIBITED TO
LTLIMITED TO
LVCLOSED TO VFR OPERATIONS
TTHAZARD
XX
Top
Back to 2nd & 3rd Top


REPORTING POINT (AP)
AWCOMPLETELY WITHDRAWN
CHCHANGED
CIIDENTIFICATION OR RADIO CALL SIGN CHANGED TO
CMDISPLACED
CRTEMPORARILY REPLACED BY
CSINSTALLED
TTHAZARD
XX
Top
Back to 2nd & 3rd Top


ATS ROUTE (AR)
AMMILITARY OPERATIONS ONLY
AWCOMPLETELY WITHDRAWN
CAACTIVATED
CDDEACTIVATED
CHCHANGED
CIIDENTIFICATION OR RADIO CALL SIGN CHANGED TO
CLREALIGNED
CRTEMPORARILY REPLACED BY
CSINSTALLED
LCCLOSED
LICLOSED TO IFR OPERATIONS
LPPROHIBITED TO
LTLIMITED TO
LVCLOSED TO VFR OPERATIONS
TTHAZARD
XX
Top
Back to 2nd & 3rd Top


TERMINAL CONTROL AREA (TMA) (AT)
AMMILITARY OPERATIONS ONLY
AWCOMPLETELY WITHDRAWN
CAACTIVATED
CDDEACTIVATED
CHCHANGED
CLREALIGNED
LCCLOSED
LICLOSED TO IFR OPERATIONS
LPPROHIBITED TO
LTLIMITED TO
LVCLOSED TO VFR OPERATIONS
TTHAZARD
XX
Top
Back to 2nd & 3rd Top


UPPER FLIGHT INFORMATION REGION (AU)
AMMILITARY OPERATIONS ONLY
AWCOMPLETELY WITHDRAWN
CHCHANGED
CIIDENTIFICATION OR RADIO CALL SIGN CHANGED TO
CLREALIGNED
LCCLOSED
LICLOSED TO IFR OPERATIONS
LPPROHIBITED TO
TTHAZARD
XX
Top
Back to 2nd & 3rd Top


UPPER ADVISORY AREA (AV)
AMMILITARY OPERATIONS ONLY
AWCOMPLETELY WITHDRAWN
CAACTIVATED
CDDEACTIVATED
CHCHANGED
CIIDENTIFICATION OR RADIO CALL SIGN CHANGED TO
CLREALIGNED
LCCLOSED
LPPROHIBITED TO
TTHAZARD
XX
Top
Back to 2nd & 3rd Top


INTERSECTION (AX)
AWCOMPLETELY WITHDRAWN
CHCHANGED
CIIDENTIFICATION OR RADIO CALL SIGN CHANGED TO
CMDISPLACED
CRTEMPORARILY REPLACED BY
CSINSTALLED
TTHAZARD
XX
Top
Back to 2nd & 3rd Top


AERODROME TRAFFIC ZONE (ATZ) (AZ)
AHHOURS OF SERVICE ARE
AMMILITARY OPERATIONS ONLY
AWCOMPLETELY WITHDRAWN
CAACTIVATED
CDDEACTIVATED
CHCHANGED
CSINSTALLED
LBRESERVED FOR AIRCRAFT BASED THEREIN
LCCLOSED
LICLOSED TO IFR OPERATIONS
LPPROHIBITED TO
LVCLOSED TO VFR OPERATIONS
TTHAZARD
XX
Top
Back to 2nd & 3rd Top