{"data":{"id":"us/14-cfr-121.591","jurisdiction":"us","citation":"14 CFR 121.591","heading":"Applicability.","body":"This subpart prescribes dispatching rules for domestic and flag operations and flight release rules for supplemental operations.","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":"9bec179e21396a582e8447ff8a880f422352fe4f007228b6854971aeb185e924","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-121.590","next":"us/14-cfr-121.593"},"notice":"GroundRules: Original legal text. Not legal advice."}