U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 14Chapter IPart 121Subpart H - Subpart H—Aircraft Requirements
§ 121.151 - Applicability.
§ 121.153 - Aircraft requirements: General.
§ 121.155 - [Reserved]
§ 121.157 - Aircraft certification and equipment requirements.
§ 121.159 - Single-engine airplanes prohibited.
§ 121.161 - Airplane limitations: Type of route.
§ 121.162 - ETOPS Type Design Approval Basis.
§ 121.163 - Aircraft proving tests.
© 2016 GovRegs | About | Disclaimer | Privacy