View all text of Subpart E [§ 87.169 - § 87.173]
§ 87.171 - Class of station symbols.
The two or three letter symbols for the classes of station in the aviation services are:
Symbol and class of station AX—Aeronautical fixed AVW—Audio visual warning systems AXO—Aeronautical operational fixed DGP—Differential GPS DLT—Aircraft data link land test FA—Aeronautical land (unspecified) FAC—Airport control tower FAE—Aeronautical enroute FAM—Aeronautical multicom FAR—Aeronautical search and rescue FAS—Aviation support FAT—Flight test FAU—Aeronautical advisory (unicom) 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