87.171—Class of station symbols.
         The two or three letter symbols for the classes of station in the aviation services are:
    
    AX—Aeronautical fixed
        AXO—Aeronautical operational fixed
        DGP—Differential GPS
        FA—Aeronautical land (unspecified)
        FAU—Aeronautical advisory (unicom)
        FAC—Airport control tower
        FAE—Aeronautical enroute
        FAM—Aeronautical multicom
        FAP—Civil Air Patrol
        FAR—Aeronautical search and rescue
        FAS—Aviation support
        FAT—Flight test
        FAW—Automatic weather observation
        GCO—Ground Communication Outlet
        MA—Aircraft (Air carrier and Private)
        MA1—Air carrier aircraft only
        MA2—Private aircraft only
        MOU—Aeronautical utility mobile
        MRT—ELT test
        RCO—Remote Communications Outlet
        RL—Radionavigation land (unspecified)
        RLA—Marker beacon
        RLB—Radiobeacon
        RLD—RADAR/TEST
        RLG—Glide path
        RLL—Localizer
        RLO—VHF omni-range
        RLS—Surveillance radar
        RLT—Radionavigation land test
        RLW—Microwave landing system
        RNV—Radio Navigation Land/DME
        RPC—Ramp Control
        TJ—Aircraft earth station in the Aeronautical Mobile-Satellite Service
        UAT—Universal Access Transceiver
    [53 FR 28940, Aug. 1, 1988, as amended at 57 FR 45750, Oct. 5, 1992; 64 FR 27475, May 20, 1999; 69 FR 32882, June 14, 2004; 71 FR 70676, Dec. 6, 2006]