Subpart I—Airplane Performance Operating Limitations

1. CFR
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3. Title 14
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5. Chapter I
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7. Part 121
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9. Subpart I

Sections

Section numbering in the official eCFR can be non-consecutive. Omitted section numbers are not treated here as reserved unless the source explicitly labels them that way.

• 121.171
  § 121.171 Applicability.
• 121.173
  § 121.173 General.
• 121.175
  § 121.175 Airplanes: Reciprocating engine-powered: Weight limitations.
• 121.177
  § 121.177 Airplanes: Reciprocating engine-powered: Takeoff limitations.
• 121.179
  § 121.179 Airplanes: Reciprocating engine-powered: En route limitations: All engines operating.
• 121.181
  § 121.181 Airplanes: Reciprocating engine-powered: En route limitations: One engine inoperative.
• 121.183
  § 121.183 Part 25 airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative.
• 121.185
  § 121.185 Airplanes: Reciprocating engine-powered: Landing limitations: Destination airport.
• 121.187
  § 121.187 Airplanes: Reciprocating engine-powered: Landing limitations: Alternate airport.
• 121.189
  § 121.189 Airplanes: Turbine engine powered: Takeoff limitations.
• 121.191
  § 121.191 Airplanes: Turbine engine powered: En route limitations: One engine inoperative.
• 121.193
  § 121.193 Airplanes: Turbine engine powered: En route limitations: Two engines inoperative.
• 121.195
  § 121.195 Airplanes: Turbine engine powered: Landing limitations: Destination airports.
• 121.197
  § 121.197 Airplanes: Turbine engine powered: Landing limitations: Alternate airports.
• 121.198
  § 121.198 Cargo service airplanes: Increased zero fuel and landing weights.
• 121.199
  § 121.199 Nontransport category airplanes: Takeoff limitations.
• 121.201
  § 121.201 Nontransport category airplanes: En route limitations: One engine inoperative.
• 121.203
  § 121.203 Nontransport category airplanes: Landing limitations: Destination airport.
• 121.205
  § 121.205 Nontransport category airplanes: Landing limitations: Alternate airport.
• 121.207
  § 121.207 Provisionally certificated airplanes: Operating limitations.