{"data":{"id":"us/47-cfr-87.423","jurisdiction":"us","citation":"47 CFR 87.423","heading":"Hours of operation.","body":"The control tower must render a communications service 24 hours a day unless the Commission determines, in coordination with the NTIA IRAC, that reduced hours of service will not adversely affect life and property in the air.","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER D—SAFETY AND SPECIAL RADIO SERVICES","PART 87—AVIATION SERVICES","Subpart O—Airport Control Tower Stations"],"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":"7bd6825c6e4b7065c8fa72b8c7e09bef4a69df801298fd4d2c860c7b3a0df884","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-87.421","next":"us/47-cfr-87.425"},"notice":"GroundRules: Original legal text. Not legal advice."}