14 C.F.R. § 125.37 Duty period limitations.
Title 14 - Aeronautics and Space
(a) Each flight crewmember and flight attendant must be relieved from all duty for at least 8 consecutive hours during any 24-hour period. (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. [Doc. No. 19779, 45 FR 67235, Oct. 9, 1980, as amended by Amdt. 125–21, 59 FR 42993, Aug. 19, 1994]
Title 14: Aeronautics and Space
PART 125—CERTIFICATION AND OPERATIONS: AIRPLANES 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
§ 125.37 Duty period limitations.
