SECTION Title Time
§ 121.201§ 121.201 Nontransport category airplanes: En route limitations: One engine inoperative.Sept. 29, 2026
§ 121.203§ 121.203 Nontransport category airplanes: Landing limitations: Destination airport.Sept. 29, 2026
§ 121.205§ 121.205 Nontransport category airplanes: Landing limitations: Alternate airport.Sept. 29, 2026
§ 121.207§ 121.207 Provisionally certificated airplanes: Operating limitations.Sept. 29, 2026
§ 121.211§ 121.211 Applicability.Sept. 29, 2026
§ 121.213§ 121.213 [Reserved]Sept. 29, 2026
§ 121.215§ 121.215 Cabin interiors.Sept. 29, 2026
§ 121.217§ 121.217 Internal doors.Sept. 29, 2026
§ 121.219§ 121.219 Ventilation.Sept. 29, 2026
§ 121.221§ 121.221 Fire precautions.Sept. 29, 2026
§ 121.223§ 121.223 Proof of compliance with § 121.221.Sept. 29, 2026
§ 121.225§ 121.225 Propeller deicing fluid.Sept. 29, 2026
§ 121.227§ 121.227 Pressure cross-feed arrangements.Sept. 29, 2026
§ 121.229§ 121.229 Location of fuel tanks.Sept. 29, 2026
§ 121.231§ 121.231 Fuel system lines and fittings.Sept. 29, 2026