~ 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.
 
Communications and Radar Facilities Q-Code Combinations
 
CA    AIR/GROUND FACILITY
         AH    HOURS OF SERVICE ARE
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CF    FREQUENCY CHANGED TO
         CI    IDENTIFICATION OR RADIO CALL SIGN CHANGED TO
         CR    TEMPORARILY REPLACED BY
         CS    INSTALLED
         LF    INTERFERENCE FROM
         LS    SUBJECT TO INTERRUPTION
         LT    LIMITED TO
         TT    HAZARD
         XX   
 
CB    AUTOMATIC DEPENDENT SURVEILLANCE - BROADCAST
         AH    HOURS OF SERVICE ARE
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CF    FREQUENCY CHANGED TO
         CI    IDENTIFICATION OR RADIO CALL SIGN CHANGED TO
         CR    TEMPORARILY REPLACED BY
         CS    INSTALLED
         LF    INTERFERENCE FROM
         LS    SUBJECT TO INTERRUPTION
         LT    LIMITED TO
         TT    HAZARD
         XX   
 
CC    AUTOMATIC DEPENDENT SURVEILLANCE - CONTRACT
         AH    HOURS OF SERVICE ARE
         AO    OPERATIONAL
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CF    FREQUENCY CHANGED TO
         CI    IDENTIFICATION OR RADIO CALL SIGN CHANGED TO
         CR    TEMPORARILY REPLACED BY
         CS    INSTALLED
         LF    INTERFERENCE FROM
         LS    SUBJECT TO INTERRUPTION
         LT    LIMITED TO
         TT    HAZARD
         XX   
 
CD    CONTROLLER-PILOT DATA LINK COMMUNICATIONS
         AH    HOURS OF SERVICE ARE
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CF    FREQUENCY CHANGED TO
         CI    IDENTIFICATION OR RADIO CALL SIGN CHANGED TO
         CR    TEMPORARILY REPLACED BY
         CS    INSTALLED
         LF    INTERFERENCE FROM
         LS    SUBJECT TO INTERRUPTION
         LT    LIMITED TO
         TT    HAZARD
         XX   
 
CE    ENROUTE SURVELLENCE RADAR
         AH    HOURS OF SERVICE ARE
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CF    FREQUENCY CHANGED TO
         CI    IDENTIFICATION OR RADIO CALL SIGN CHANGED TO
         CR    TEMPORARILY REPLACED BY
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         LF    INTERFERENCE FROM
         LS    SUBJECT TO INTERRUPTION
         LT    LIMITED TO
         XX   
 
CG    GROUND CONTROLLED APPROACH SYSTEM (GCA)
         AH    HOURS OF SERVICE ARE
         AP    PRIOR PERMISSION REQUIRED
         AR    AVAILABLE, PRIOR PERMISSION REQUIRED
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CF    FREQUENCY CHANGED TO
         CI    IDENTIFICATION OR RADIO CALL SIGN CHANGED TO
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         LT    LIMITED TO
         TT    HAZARD
         XX   
 
CL    SELECTIVE CALLING SYSTEM
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CF    FREQUENCY CHANGED TO
         CI    IDENTIFICATION OR RADIO CALL SIGN CHANGED TO
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         LT    LIMITED TO
         XX   
 
CM    SURFACE MOVEMENT RADAR
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         LT    LIMITED TO
         TT    HAZARD
         XX   
 
CP    PAR
         AC    WITHDRAWN FOR MAINTENANCE
         AH    HOURS OF SERVICE ARE
         AP    PRIOR PERMISSION REQUIRED
         AR    AVAILABLE, PRIOR PERMISSION REQUIRED
         AS    UNSERVICEABLE
         AU    NOT AVAILABLE
         AW    COMPLETELY WITHDRAWN
         CF    FREQUENCY CHANGED TO
         CI    IDENTIFICATION OR RADIO CALL SIGN CHANGED TO
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         LT    LIMITED TO
         TT    HAZARD
         XX   
 
CR    SURVEILLANCE RADAR ELEMENT OF PAR SYSTEM
         AH    HOURS OF SERVICE ARE
         AP    PRIOR PERMISSION REQUIRED
         AR    AVAILABLE, PRIOR PERMISSION REQUIRED
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CF    FREQUENCY CHANGED TO
         CI    IDENTIFICATION OR RADIO CALL SIGN CHANGED TO
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         LS    SUBJECT TO INTERRUPTION
         LT    LIMITED TO
         TT    HAZARD
         XX   
 
CS    SECONDARY SURVEILLANCE RADAR
         AH    HOURS OF SERVICE ARE
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CF    FREQUENCY CHANGED TO
         CI    IDENTIFICATION OR RADIO CALL SIGN CHANGED TO
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         LS    SUBJECT TO INTERRUPTION
         LT    LIMITED TO
         TT    HAZARD
         XX   
 
CT    TERMINAL AREA SURVEILLANCE RADAR
         AH    HOURS OF SERVICE ARE
         AS    UNSERVICEABLE
         AW    COMPLETELY WITHDRAWN
         CF    FREQUENCY CHANGED TO
         CI    IDENTIFICATION OR RADIO CALL SIGN CHANGED TO
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         LS    SUBJECT TO INTERRUPTION
         LT    LIMITED TO
         TT    HAZARD
         XX   
 
GJ    ASR
         AC    WITHDRAWN FOR MAINTENANCE
         AF    FLIGHT CHECKED AND FOUND RELIABLE
         AK    RESUMED NORMAL OPERATIONS
         AM    MILITARY OPERATIONS ONLY
         AU    NOT AVAILABLE
         AW    COMPLETELY WITHDRAWN
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         GH    UNUSABLE
         GV    NOT AUTHORIZED
         LT    LIMITED TO
         XX   
 
GK    PRECISION APPROACH 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
         AU    NOT AVAILABLE
         AW    COMPLETELY WITHDRAWN
         CF    FREQUENCY CHANGED TO
         CH    CHANGED
         CS    INSTALLED
         CT    ON TEST, DO NOT USE
         GA    NOT COINCIDENTAL WITH ILS/PAR
         GH    UNUSABLE
         GV    NOT AUTHORIZED
         LT    LIMITED TO
         XX   
 
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