{"data":{"id":"us/47-cfr-87.481","jurisdiction":"us","citation":"47 CFR 87.481","heading":"Unattended operation of domestic radiobeacon stations.","body":"(a) Radiobeacons may be licensed for unattended operation. An applicant must comply with the following:\n(1) The transmitter is crystal controlled and specifically designed for radiobeacon service and capable of transmitting by self-actuating means;\n(2) The emissions of the transmitter must be continuously monitored by a licensed operator, or by a direct positive automatic monitor, supplemented by aural monitoring at suitable intervals;\n(3) If as a result of aural monitoring it is determined that a deviation from the terms of the station license has occurred, the transmitters must be disabled immediately by a properly authorized person. If automatic monitoring is used, the monitor must insure that the operation of the transmitter meets the license terms or is disabled;\n(4) A properly authorized person must be able to reach the transmitter and disable it in a reasonable amount of time, so as not to adversely affect life or property in the air;\n(5) The equipment must be inspected at least every 180 days. Results of inspections must be kept in the station maintenance records;\n(6) The transmitter is not operable by or accessible to, other than authorized persons;\n(7) The transmitter is in a remote location.\n(b) Authority for unattended operation must be expressly stated in the station license.","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER D—SAFETY AND SPECIAL RADIO SERVICES","PART 87—AVIATION SERVICES","Subpart Q—Stations in the Radiodetermination Service"],"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":"f6ff3dea3e7f06c2ba248f84337e0a92deb54b6405d2d0a6cbf40607297cfde0","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-87.479","next":"us/47-cfr-87.483"},"notice":"GroundRules: Original legal text. Not legal advice."}