~ For DoD Flight Only ~
The information displayed on the right represents all approved component/condition Q-Codes for the category:

A Q-Code is the combination of two codes:
The component code (2nd and 3rd letters)
The condition code (4th and 5th letters)

The data on the right is grouped by component codes.
Slightly indented and directly below the component codes are their associated conditions codes.
 
Lighting Facilities Q-Code Combinations
 
LA    APPROACH LIGHTING SYSTEM
         AH    HOURS OF SERVICE ARE
         AR    AVAILABLE, PRIOR PERMISSION REQUIRED
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CG    DOWNGRADED TO
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         TT    HAZARD
         XX   
 
LB    AERODROME BEACON
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         TT    HAZARD
         XX   
 
LC    RUNWAY CENTERLINE LIGHTS
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         TT    HAZARD
         XX   
 
LD    LANDING DIRECTION INDICATOR LIGHTS
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         XX   
 
LE    RUNWAY EDGE LIGHTS
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         TT    HAZARD
         XX   
 
LF    SEQUENCED FLASHING LIGHTS
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         TT    HAZARD
         XX   
 
LG    PILOT-CONTROLLED LIGHTING
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CH    CHANGED
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         LT    LIMITED TO
         XX   
 
LH    HIGH INTENSITY RUNWAY LIGHTS
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         TT    HAZARD
         XX   
 
LI    RUNWAY END IDENTIFIER LIGHTS
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         TT    HAZARD
         XX   
 
LJ    RUNWAY ALIGNMENT INDICATOR LIGHTS
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         TT    HAZARD
         XX   
 
LK    CATEGORY II COMPONENTS OF APPROACH LIGHTING SYSTEM
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         TT    HAZARD
         XX   
 
LL    LOW INTENSITY RUNWAY LIGHTS
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         TT    HAZARD
         XX   
 
LM    MEDIUM INTENSITY RUNWAY LIGHTS
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         XX   
 
LP    PRECISION APPROACH PATH INDICATOR
         AH    HOURS OF SERVICE ARE
         AR    AVAILABLE, PRIOR PERMISSION REQUIRED
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         XX   
 
LR    ALL LANDING AREA LIGHTING FACILITIES
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         TT    HAZARD
         XX   
 
LS    STOPWAY LIGHTS
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         XX   
 
LT    THRESHOLD LIGHTS
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         TT    HAZARD
         XX   
 
LU    HELICOPTER APPROACH PATH INDICATOR
         AH    HOURS OF SERVICE ARE
         AR    AVAILABLE, PRIOR PERMISSION REQUIRED
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         TT    HAZARD
 
LV    VISUAL APRROACH SLOPE INDICATOR
         AH    HOURS OF SERVICE ARE
         AR    AVAILABLE, PRIOR PERMISSION REQUIRED
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         TT    HAZARD
         XX   
 
LW    HELIPORT LIGHTING
         AR    AVAILABLE, PRIOR PERMISSION REQUIRED
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         TT    HAZARD
         XX   
 
LX    TAXIWAY CENTER LINE LIGHTS
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         XX   
 
LY    TAXIWAY EDGE LIGHTS
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         XX   
 
LZ    RUNWAY TOUCH DOWN ZONE LIGHTS
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         TT    HAZARD
         XX   
 
GB    OPTICAL LANDING SYSTEM
         AC    WITHDRAWN FOR MAINTENANCE
         AD    AVAILABLE FOR DAYLIGHT OPERATIONS
         AF    FLIGHT CHECKED AND FOUND RELIABLE
         AG    OPERATING BUT GROUND CHECKED ONLY, AWAITING FLIGHT CHECK
         AK    RESUMED NORMAL OPERATIONS
         AM    MILITARY OPERATIONS ONLY
         AR    AVAILABLE, PRIOR PERMISSION REQUIRED
         AU    NOT AVAILABLE
         AW    COMPLETELY WITHDRAWN
         CH    CHANGED
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         GA    NOT COINCIDENTAL WITH ILS/PAR
         GH    UNUSABLE
         GV    NOT AUTHORIZED
         XX   
 
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