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Title 14

Displaying title 14, up to date as of 8/13/2026. Title 14 was last amended 7/31/2026.
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Title 14Aeronautics and SpacePart / Section
Chapter IFederal Aviation Administration, Department of Transportation1 – 199
Subchapter GAir Carriers and Operators for Compensation or Hire: Certification and Operations110 – 139
Part 121Operating Requirements: Domestic, Flag, and Supplemental Operations121.1 – 121.1500
Special Federal Aviation Regulation No. 50-2
Special Federal Aviation Regulation No. 50-2
Special Federal Aviation Regulation No. 71
Special Federal Aviation Regulation No. 71
Special Federal Aviation Regulation No. 97
Special Federal Aviation Regulation No. 97
Subpart AGeneral121.1 – 121.15
Subpart B—Certification Rules for Domestic and Flag Air Carriers [Reserved]
Subpart C—Certification Rules for Supplemental Air Carriers and Commercial Operators [Reserved]
Subpart D—Rules Governing All Certificate Holders Under This Part [Reserved]
Subpart EApproval of Routes: Domestic and Flag Operations121.91 – 121.107
Subpart FApproval of Areas and Routes for Supplemental Operations121.111 – 121.127
Subpart GManual Requirements121.131 – 121.141
Subpart HAircraft Requirements121.151 – 121.163
Subpart IAirplane Performance Operating Limitations121.171 – 121.207
Subpart JSpecial Airworthiness Requirements121.211 – 121.295
Subpart KInstrument and Equipment Requirements121.301 – 121.360
Subpart LMaintenance, Preventive Maintenance, and Alterations121.361 – 121.380a
Subpart MAirman and Crewmember Requirements121.381 – 121.397
Subpart NTraining Program121.400 – 121.429
Subpart OCrewmember Qualifications121.431 – 121.459
Subpart PAircraft Dispatcher Qualifications and Duty Time121.461 – 121.467
Subpart QFlight Time Limitations and Rest Requirements: Domestic Operations121.470 – 121.473
Subpart RFlight Time Limitations: Flag Operations121.480 – 121.495
Subpart SFlight Time Limitations: Supplemental Operations121.500 – 121.527
Subpart TFlight Operations121.531 – 121.590
Subpart UDispatching and Flight Release Rules121.591 – 121.667
Subpart VRecords and Reports121.681 – 121.713
Subpart WCrewmember Certificate: International121.721 – 121.723
Subpart XEmergency Medical Equipment and Training121.801 – 121.805
Subpart YAdvanced Qualification Program121.901 – 121.925
Subpart ZHazardous Materials Training Program121.1001 – 121.1007
Subpart AAContinued Airworthiness and Safety Improvements121.1101 – 121.1119
Subpart BB [Reserved]
§§ 121.1200-121.1399 [Reserved]
Subpart CC [Reserved]
§§ 121.1400-121.1499 [Reserved]
Subpart DDSpecial Federal Aviation Regulations121.1500
Appendix A to Part 121
First Aid Kits and Emergency Medical Kits
Appendix B to Part 121
Airplane Flight Recorder Specification
Appendix C to Part 121
C-46 Nontransport Category Airplanes
Appendix D to Part 121
Criteria for Demonstration of Emergency Evacuation Procedures Under § 121.291
Appendix E to Part 121
Flight Training Requirements
Appendix F to Part 121
Proficiency Check Requirements
Appendix G to Part 121
Doppler Radar and Inertial Navigation System (INS): Request for Evaluation; Equipment and Equipment Installation; Training Program; Equipment Accuracy and Reliability; Evaluation Program
Appendix H to Part 121
Advanced Simulation
Appendixes I-J to Part 121 [Reserved]
Appendix K to Part 121
Performance Requirements for Certain Turbopropeller Powered Airplanes
Appendix L to Part 121
Type Certification Regulations Made Previously Effective
Appendix M to Part 121
Airplane Flight Recorder Specifications
Appendix N to Part 121 [Reserved]
Appendix O to Part 121
Hazardous Materials Training Requirements For Certificate Holders
Appendix P to Part 121
Requirements for ETOPS and Polar Operations