Code of Federal Regulations > Title 14 > Chapter I > Part 121 > Subpart O - Subpart O—Crewmember Qualifications

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 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]