U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 14Chapter IPart 25Subpart A - Subpart A—General
§ 25.1 - Applicability.
§ 25.2 - Special retroactive requirements.
§ 25.3 - Special provisions for ETOPS type design approvals.
§ 25.4 - Definitions.
§ 25.5 - Incorporations by reference.
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