{"data":{"id":"us/14-cfr-125.37","jurisdiction":"us","citation":"14 CFR 125.37","heading":"Duty period limitations.","body":"(a) Each flight crewmember and flight attendant must be relieved from all duty for at least 8 consecutive hours during any 24-hour period.\n(b) The Administrator may specify rest, flight time, and duty time limitations in the operations specifications that are other than those specified in paragraph (a) of this section.","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 125—CERTIFICATION AND OPERATIONS: AIRCRAFT HAVING A SEATING CAPACITY OF 20 OR MORE PASSENGERS OR A MAXIMUM PAYLOAD CAPACITY OF 6,000 POUNDS OR MORE; AND RULES GOVERNING PERSONS ON BOARD SUCH AIRCRAFT","Subpart B—Certification Rules and Miscellaneous 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":"b29cae9b1edc27f5c9a905c9e4bf119b7e8abb430f58ddb08c5dedc7ef2c8c8f","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-125.35","next":"us/14-cfr-125.39"},"notice":"GroundRules: Original legal text. Not legal advice."}