Code of Federal Regulations > Title 14 > Chapter I > Part 121 > Subpart L - Subpart L—Maintenance, Preventive Maintenance, and Alterations

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Sep 16, 2025

§ 121.361 - Applicability.

§ 121.363 - Responsibility for airworthiness.

§ 121.365 - Maintenance, preventive maintenance, and alteration organization.

§ 121.367 - Maintenance, preventive maintenance, and alterations programs.

§ 121.368 - Contract maintenance.

§ 121.369 - Manual requirements.

§§ 121.370-121.370a - §[Reserved]

§ 121.371 - Required inspection personnel.

§ 121.373 - Continuing analysis and surveillance.

§ 121.374 - Continuous airworthiness maintenance program (CAMP) for two-engine ETOPS.

§ 121.375 - Maintenance and preventive maintenance training program.

§ 121.377 - Maintenance and preventive maintenance personnel duty time limitations.

§ 121.378 - Certificate requirements.

§ 121.379 - Authority to perform and approve maintenance, preventive maintenance, and alterations.

§ 121.380 - Maintenance recording requirements.

§ 121.380a - Transfer of maintenance records.