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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 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.
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