SECTION	Title	Time
§ 121.173	§ 121.173 General.	Sept. 29, 2026
§ 121.175	§ 121.175 Airplanes: Reciprocating engine-powered: Weight limitations.	Sept. 29, 2026
§ 121.177	§ 121.177 Airplanes: Reciprocating engine-powered: Takeoff limitations.	Sept. 29, 2026
§ 121.179	§ 121.179 Airplanes: Reciprocating engine-powered: En route limitations: All engines operating.	Sept. 29, 2026
§ 121.181	§ 121.181 Airplanes: Reciprocating engine-powered: En route limitations: One engine inoperative.	Sept. 29, 2026
§ 121.183	§ 121.183 Part 25 airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative.	Sept. 29, 2026
§ 121.185	§ 121.185 Airplanes: Reciprocating engine-powered: Landing limitations: Destination airport.	Sept. 29, 2026
§ 121.187	§ 121.187 Airplanes: Reciprocating engine-powered: Landing limitations: Alternate airport.	Sept. 29, 2026
§ 121.189	§ 121.189 Airplanes: Turbine engine powered: Takeoff limitations.	Sept. 29, 2026
§ 121.191	§ 121.191 Airplanes: Turbine engine powered: En route limitations: One engine inoperative.	Sept. 29, 2026
§ 121.193	§ 121.193 Airplanes: Turbine engine powered: En route limitations: Two engines inoperative.	Sept. 29, 2026
§ 121.195	§ 121.195 Airplanes: Turbine engine powered: Landing limitations: Destination airports.	Sept. 29, 2026
§ 121.197	§ 121.197 Airplanes: Turbine engine powered: Landing limitations: Alternate airports.	Sept. 29, 2026
§ 121.198	§ 121.198 Cargo service airplanes: Increased zero fuel and landing weights.	Sept. 29, 2026
§ 121.199	§ 121.199 Nontransport category airplanes: Takeoff limitations.	Sept. 29, 2026