47 C.F.R. § 87.171 Class of station symbols.
Title 47 - Telecommunication
The two or three letter symbols for the classes of station in the aviation services are: Symbol and class of station
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 [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]
Title 47: Telecommunication
PART 87—AVIATION SERVICES
Subpart E—Frequencies
§ 87.171 Class of station symbols.
