{"data":{"id":"us/14-cfr-121.387","jurisdiction":"us","citation":"14 CFR 121.387","heading":"Flight engineer.","body":"No certificate holder may operate an airplane for which a type certificate was issued before January 2, 1964, having a maximum certificated takeoff weight of more than 80,000 pounds without a flight crewmember holding a current flight engineer certificate. For each airplane type certificated after January 1, 1964, the requirement for a flight engineer is determined under the type certification requirements of § 25.1523.","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 M—Airman and Crewmember 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":"3b8120d5e613c03af0724eceab685445cbffc8a14f3892d85e620d2e10175f32","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-121.385","next":"us/14-cfr-121.389"},"notice":"GroundRules: Original legal text. Not legal advice."}