{"data":{"id":"us/14-cfr-121.609","jurisdiction":"us","citation":"14 CFR 121.609","heading":"Communication and navigation facilities: Supplemental operations.","body":"No person may release an aircraft over any route or route segment unless communication and navigation facilities equal to those required by § 121.121 are in satisfactory operating condition.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER G—AIR CARRIERS AND OPERATORS FOR COMPENSATION OR HIRE: CERTIFICATION AND OPERATIONS","PART 121—OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS","Subpart U—Dispatching and Flight Release Rules"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-14.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:20Z","sha256":"f5339c493270960714ff3347940c7599bd5968c51fa805f50ab76908bcb0c2c3","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-121.607","next":"us/14-cfr-121.611"},"notice":"GroundRules: Original legal text. Not legal advice."}