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 16, 2025
Title 14 - Aeronautics and Space last revised: Nov 03, 2025
All Titles
Title 14
Chapter I
Part 21
Subpart F - Subpart F—Production Under Type Certificate
§ 21.121 - Applicability.
§ 21.122 - Location of or change to manufacturing facilities.
§ 21.123 - Production under type certificate.
§ 21.125 - [Reserved]
§ 21.127 - Tests: aircraft.
§ 21.128 - Tests: aircraft engines.
§ 21.129 - Tests: propellers.
§ 21.130 - Statement of conformity.
authority:
42 U.S.C. 7572
;
49 U.S.C. 106
(f), 40105, 40113, 44701-44702, 44704, 44707, 44709, 44711, 44713, 44715, 45303
.list_box li,p,.cm-search-info,.cm-search-detail,.abt span,.expand-collapse_top
Get the CustomsMobile app!