{"data":{"id":"us/14-cfr-450.159","jurisdiction":"us","citation":"14 CFR 450.159","heading":"Pre-flight procedures.","body":"(a) An operator must implement pre-flight procedures that—\n(1) Verify that each flight commit criterion is satisfied before flight is initiated; and\n(2) Ensure the operator can return the vehicle to a safe state after a countdown abort or delay.\n(b) An operator must ensure the currency of the pre-flight procedures, and that all personnel are working with the approved version of the pre-flight procedures.","path":["Title 14—Aeronautics and Space","CHAPTER III—COMMERCIAL SPACE TRANSPORTATION, FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—LICENSING","PART 450—LAUNCH AND REENTRY LICENSE REQUIREMENTS","Subpart C—Safety Requirements"],"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":"96384adcabe7864cfd530c77fa18e27fa25a6d708806388247b636c6609c0bdd","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-450.157","next":"us/14-cfr-450.161"},"notice":"GroundRules: Original legal text. Not legal advice."}