Q-CODE 4th & 5th Letters for
Lighting



APPROACH LIGHTING SYSTEM (LA)
AHHOURS OF SERVICE ARE
ARAVAILABLE, PRIOR PERMISSION REQUIRED
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CGDOWNGRADED TO
CSINSTALLED
CTON TEST, DO NOT USE
TTHAZARD
XX
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AERODROME BEACON (LB)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
TTHAZARD
XX
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RUNWAY CENTERLINE LIGHTS (LC)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
TTHAZARD
XX
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LANDING DIRECTION INDICATOR LIGHTS (LD)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
XX
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RUNWAY EDGE LIGHTS (LE)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
TTHAZARD
XX
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SEQUENCED FLASHING LIGHTS (LF)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
TTHAZARD
XX
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PILOT-CONTROLLED LIGHTING (LG)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CHCHANGED
CSINSTALLED
CTON TEST, DO NOT USE
LTLIMITED TO
XX
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HIGH INTENSITY RUNWAY LIGHTS (LH)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
TTHAZARD
XX
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RUNWAY END IDENTIFIER LIGHTS (LI)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
TTHAZARD
XX
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RUNWAY ALIGNMENT INDICATOR LIGHTS (LJ)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
TTHAZARD
XX
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CATEGORY II COMPONENTS OF APPROACH LIGHTING SYSTEM (LK)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
TTHAZARD
XX
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LOW INTENSITY RUNWAY LIGHTS (LL)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
CTON TEST, DO NOT USE
TTHAZARD
XX
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MEDIUM INTENSITY RUNWAY LIGHTS (LM)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
XX
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PRECISION APPROACH PATH INDICATOR (LP)
AHHOURS OF SERVICE ARE
ARAVAILABLE, PRIOR PERMISSION REQUIRED
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
CTON TEST, DO NOT USE
XX
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ALL LANDING AREA LIGHTING FACILITIES (LR)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
TTHAZARD
XX
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STOPWAY LIGHTS (LS)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
XX
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THRESHOLD LIGHTS (LT)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
TTHAZARD
XX
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HELICOPTER APPROACH PATH INDICATOR (LU)
AHHOURS OF SERVICE ARE
ARAVAILABLE, PRIOR PERMISSION REQUIRED
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
CTON TEST, DO NOT USE
TTHAZARD
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VISUAL APRROACH SLOPE INDICATOR (LV)
AHHOURS OF SERVICE ARE
ARAVAILABLE, PRIOR PERMISSION REQUIRED
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
CTON TEST, DO NOT USE
TTHAZARD
XX
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HELIPORT LIGHTING (LW)
ARAVAILABLE, PRIOR PERMISSION REQUIRED
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
TTHAZARD
XX
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TAXIWAY CENTER LINE LIGHTS (LX)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
XX
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TAXIWAY EDGE LIGHTS (LY)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
XX
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RUNWAY TOUCH DOWN ZONE LIGHTS (LZ)
ASUNSERVICEABLE
AWCOMPLETELY WITHDRAWN
CSINSTALLED
TTHAZARD
XX
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OPTICAL LANDING SYSTEM (GB)
ACWITHDRAWN FOR MAINTENANCE
ADAVAILABLE FOR DAYLIGHT OPERATIONS
AFFLIGHT CHECKED AND FOUND RELIABLE
AGOPERATING BUT GROUND CHECKED ONLY, AWAITING FLIGHT CHECK
AKRESUMED NORMAL OPERATIONS
AMMILITARY OPERATIONS ONLY
ARAVAILABLE, PRIOR PERMISSION REQUIRED
AUNOT AVAILABLE
AWCOMPLETELY WITHDRAWN
CHCHANGED
CSINSTALLED
CTON TEST, DO NOT USE
GANOT COINCIDENTAL WITH ILS/PAR
GHUNUSABLE
GVNOT AUTHORIZED
XX
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