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Regulations last checked for updates: Dec 15, 2025
Title 14 - Aeronautics and Space last revised: Nov 03, 2025
All Titles
Title 14
Chapter I
Part 121
Subpart R - Subpart R—Flight Time Limitations: Flag Operations
§ 121.480 - Applicability.
§ 121.481 - Flight time limitations: One or two pilot crews.
§ 121.483 - Flight time limitations: Two pilots and one additional flight crewmember.
§ 121.485 - Flight time limitations: Three or more pilots and an additional flight crewmember.
§ 121.487 - Flight time limitations: Pilots not regularly assigned.
§ 121.489 - Flight time limitations: Other commercial flying.
§ 121.491 - Flight time limitations: Deadhead transportation.
§ 121.493 - Flight time limitations: Flight engineers and flight navigators.
§ 121.495 - Fatigue risk management system.
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