{"data":{"id":"us/47-cfr-87.171","jurisdiction":"us","citation":"47 CFR 87.171","heading":"Class of station symbols.","body":"The two or three letter symbols for the classes of station in the aviation services are:\nSymbol and class of station\nAX—Aeronautical fixed\nAVW—Audio visual warning systems\nAXO—Aeronautical operational fixed\nDGP—Differential GPS\nDLT—Aircraft data link land test\nFA—Aeronautical land (unspecified)\nFAC—Airport control tower\nFAE—Aeronautical enroute\nFAM—Aeronautical multicom\nFAR—Aeronautical search and rescue\nFAS—Aviation support\nFAT—Flight test\nFAU—Aeronautical advisory (unicom)\nFAW—Automatic weather observation\nGCO—Ground Communication Outlet\nMA—Aircraft (Air carrier and Private)\nMA1—Air carrier aircraft only\nMA2—Private aircraft only\nMOU—Aeronautical utility mobile\nMRT—ELT test\nRCO—Remote Communications Outlet\nRL—Radionavigation land (unspecified)\nRLA—Marker beacon\nRLB—Radiobeacon\nRLD—RADAR/TEST\nRLG—Glide path\nRLL—Localizer\nRLO—VHF omni-range\nRLS—Surveillance radar\nRLT—Radionavigation land test\nRLW—Microwave landing system\nRNV—Radio Navigation Land/DME\nRPC—Ramp Control\nTJ—Aircraft earth station in the Aeronautical Mobile-Satellite Service\nUAT—Universal Access Transceiver","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER D—SAFETY AND SPECIAL RADIO SERVICES","PART 87—AVIATION SERVICES","Subpart E—Frequencies"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-47.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:28Z","sha256":"7e1ff03bf8a10757ea08507aa6021bc26c4f77baa6ca9ad93301c53e13c77aad","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-87.169","next":"us/47-cfr-87.173"},"notice":"GroundRules: Original legal text. Not legal advice."}