REGULATIONS
Rulings
AD/CVD
Notices
HTSUS
U.S. Code
Regs
More
Ports
About
Updates
Apps
Larger font
Smaller font
SEARCH
Sort by Rank
Titles Ascending
Titles Descending
10 per page
25 Result/page
50 Result/page
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 L - Subpart L—Maintenance, Preventive Maintenance, and Alterations
§ 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.
.list_box li,p,.cm-search-info,.cm-search-detail,.abt span,.expand-collapse_top
Get the CustomsMobile app!