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Regulations last checked for updates: May 23, 2025

Title 14 - Aeronautics and Space last revised: May 07, 2025
All TitlesTitle 14Chapter IPart 121Subpart O - Subpart O—Crewmember Qualifications
  • § 121.431 - Applicability.
  • § 121.432 - General.
  • § 121.433 - Training required.
  • § 121.434 - Operating experience, operating cycles, and consolidation of knowledge and skills.
  • § 121.435 - Pilots: Operations Familiarization.
  • § 121.436 - Pilot Qualification: Certificates and experience requirements.
  • § 121.438 - Pilot operating limitations and pairing requirements.
  • § 121.439 - Pilot qualification: Recent experience.
  • § 121.440 - Line checks.
  • § 121.441 - Proficiency checks.
  • § 121.443 - Pilot in command qualification: Route and airports.
  • § 121.445 - Pilot in command airport qualification: Special areas and airports.
  • § 121.447 - [Reserved]
  • § 121.453 - Flight engineer qualifications.
  • §§ 121.455-121.459 - §[Reserved]
authority: 49 U.S.C. 106(f), 106(g), 40103, 40113, 40119, 41706, 42301 preceding note added by Pub. L. 112-95, sec. 412, 126 Stat. 89, 44101, 44701-44702, 44705, 44709-44711, 44713, 44716-44717, 44722, 44729, 44732; 46105; Pub. L. 111-216, 124 Stat. 2348 (49 U.S.C. 44701 note); Pub. L. 112-95, 126 Stat. 62 (49 U.S.C. 44732 note); Pub. L. 115-254, 132 Stat. 3186 (49 U.S.C. 44701 note)
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