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Code of Federal Regulations (Last Updated: November 8, 2024) |
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Title 14 - Aeronautics and Space |
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Chapter I - Federal Aviation Administration, Department of Transportation |
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SubChapter G - Air Carriers and Operators for Compensation or Hire: Certification and Operations |
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Part 121 - Operating Requirements: Domestic, Flag, and Supplemental Operations |
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Subpart K - Instrument and Equipment Requirements |
| § 121.301 - Applicability. |
| § 121.303 - Airplane instruments and equipment. |
| § 121.305 - Flight and navigational equipment. |
| § 121.306 - Portable electronic devices. |
| § 121.307 - Engine instruments. |
| § 121.308 - Lavatory fire protection. |
| § 121.309 - Emergency equipment. |
| § 121.310 - Additional emergency equipment. |
| § 121.311 - Seats, safety belts, and shoulder harnesses. |
| § 121.312 - Materials for compartment interiors. |
| § 121.313 - Miscellaneous equipment. |
| § 121.314 - Cargo and baggage compartments. |
| § 121.315 - Cockpit check procedure. |
| § 121.316 - Fuel tanks. |
| § 121.317 - Passenger information requirements, smoking prohibitions, and additional seat belt requirements. |
| § 121.318 - Public address system. |
| § 121.319 - Crewmember interphone system. |
| § 121.321 - Operations in icing. |
| § 121.323 - Instruments and equipment for operations at night. |
| § 121.325 - Instruments and equipment for operations under IFR or over-the-top. |
| § 121.327 - Supplemental oxygen: Reciprocating engine powered airplanes. |
| § 121.329 - Supplemental oxygen for sustenance: Turbine engine powered airplanes. |
| § 121.331 - Supplemental oxygen requirements for pressurized cabin airplanes: Reciprocating engine powered airplanes. |
| § 121.333 - Supplemental oxygen for emergency descent and for first aid; turbine engine powered airplanes with pressurized cabins. |
| § 121.335 - Equipment standards. |
| § 121.337 - Protective breathing equipment. |
| § 121.339 - Emergency equipment for extended over-water operations. |
| § 121.340 - Emergency flotation means. |
| § 121.341 - Equipment for operations in icing conditions. |
| § 121.342 - Pitot heat indication systems. |
| § 121.343 - Flight data recorders. |
| § 121.344 - Digital flight data recorders for transport category airplanes. |
| § 121.345 - Radio equipment. |
| § 121.346 - Flight data recorders: filtered data. |
| § 121.347 - Communication and navigation equipment for operations under VFR over routes navigated by pilotage. |
| § 121.349 - Communication and navigation equipment for operations under VFR over routes not navigated by pilotage or for operations under IFR or over the top. |
| § 121.351 - Communication and navigation equipment for extended over-water operations and for certain other operations. |
| § 121.353 - Emergency equipment for operations over uninhabited terrain areas: Flag, supplemental, and certain domestic operations. |
| § 121.354 - Terrain awareness and warning system. |
| § 121.355 - Equipment for operations on which specialized means of navigation are used. |
| § 121.356 - Collision avoidance system. |
| § 121.357 - Airborne weather radar equipment requirements. |
| § 121.358 - Low-altitude windshear system equipment requirements. |
| § 121.359 - Cockpit voice recorders. |
| § 121.360 - [Reserved] |
| § 121.344a - Digital flight data recorders for 10-19 seat airplanes. |