14 CFR Subpart I - Airplane Performance Operating Limitations

  1. § 121.171 Applicability.
  2. § 121.173 General.
  3. § 121.175 Airplanes: Reciprocating engine-powered: Weight limitations.
  4. § 121.177 Airplanes: Reciprocating engine-powered: Takeoff limitations.
  5. § 121.179 Airplanes: Reciprocating engine-powered: En route limitations: All engines operating.
  6. § 121.181 Airplanes: Reciprocating engine-powered: En route limitations: One engine inoperative.
  7. § 121.183 Part 25 airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative.
  8. § 121.185 Airplanes: Reciprocating engine-powered: Landing limitations: Destination airport.
  9. § 121.187 Airplanes: Reciprocating engine-powered: Landing limitations: Alternate airport.
  10. § 121.189 Airplanes: Turbine engine powered: Takeoff limitations.
  11. § 121.191 Airplanes: Turbine engine powered: En route limitations: One engine inoperative.
  12. § 121.193 Airplanes: Turbine engine powered: En route limitations: Two engines inoperative.
  13. § 121.195 Airplanes: Turbine engine powered: Landing limitations: Destination airports.
  14. § 121.197 Airplanes: Turbine engine powered: Landing limitations: Alternate airports.
  15. § 121.198 Cargo service airplanes: Increased zero fuel and landing weights.
  16. § 121.199 Nontransport category airplanes: Takeoff limitations.
  17. § 121.201 Nontransport category airplanes: En route limitations: One engine inoperative.
  18. § 121.203 Nontransport category airplanes: Landing limitations: Destination airport.
  19. § 121.205 Nontransport category airplanes: Landing limitations: Alternate airport.
  20. § 121.207 Provisionally certificated airplanes: Operating limitations.
Source:
Docket No. 6258, 29 FR 19198, Dec. 31, 1964; 30 FR 130, Jan. 7, 1965, unless otherwise noted.
Editorial Note:
Nomenclature changes to subpart I of part 121 appear at 60 FR 65928, Dec. 20, 1995.