14 CFR Part 125
152 sections · 7 appendices · 13 subparts · Amended 2026-09-15
CERTIFICATION AND OPERATIONS: AIRCRAFT HAVING A SEATING CAPACITY OF 20 OR MORE PASSENGERS OR A MAXIMUM PAYLOAD CAPACITY OF 6,000 POUNDS OR MORE; AND RULES GOVERNING PERSONS ON BOARD SUCH AIRCRAFT
44 Legal Interpretations View on eCFR ↗
Authority49 U.S.C. 106(f), 106(g), 40113, 44701-44702, 44705, 44710-44711, 44713, 44716-44717, 44722.
SourceDocket 19779, 45 FR 67235, Oct. 9, 1980, unless otherwise noted.
Subpart A— General 6 sections
Subpart B— Certification Rules and Miscellaneous Requirements 18 sections
- § 125.21 Application for operating certificate.
- § 125.23 Rules applicable to operations subject to this part.
- § 125.25 Management personnel required.
- § 125.26 Employment of former FAA employees.
- § 125.27 Issue of certificate.
- § 125.29 Duration of certificate.
- § 125.31 Contents of certificate and operations specifications.
- § 125.33 Operations specifications not a part of certificate.
- § 125.35 Amendment of operations specifications.
- § 125.37 Duty period limitations.
- § 125.39 Carriage of narcotic drugs, marihuana, and depressant or stimulant drugs or substances.
- § 125.41 Availability of certificate and operations specifications.
- § 125.43 Use of operations specifications.
- § 125.45 Inspection authority.
- § 125.47 Change of address.
- § 125.49 Airport requirements.
- § 125.51 En route navigation facilities.
- § 125.53 Flight locating requirements.
Subpart C— Manual Requirements 3 sections
Subpart D— Airplane Requirements 2 sections
Subpart E— Special Airworthiness Requirements 40 sections
- § 125.111 General.
- § 125.113 Cabin interiors.
- § 125.115 Internal doors.
- § 125.117 Ventilation.
- § 125.119 Fire precautions.
- § 125.121 Proof of compliance with § 125.119.
- § 125.123 Propeller deicing fluid.
- § 125.125 Pressure cross-feed arrangements.
- § 125.127 Location of fuel tanks.
- § 125.129 Fuel system lines and fittings.
- § 125.131 Fuel lines and fittings in designated fire zones.
- § 125.133 Fuel valves.
- § 125.135 Oil lines and fittings in designated fire zones.
- § 125.137 Oil valves.
- § 125.139 Oil system drains.
- § 125.141 Engine breather lines.
- § 125.143 Firewalls.
- § 125.145 Firewall construction.
- § 125.147 Cowling.
- § 125.149 Engine accessory section diaphragm.
- § 125.151 Powerplant fire protection.
- § 125.153 Flammable fluids.
- § 125.155 Shutoff means.
- § 125.157 Lines and fittings.
- § 125.159 Vent and drain lines.
- § 125.161 Fire-extinguishing systems.
- § 125.163 Fire-extinguishing agents.
- § 125.165 Extinguishing agent container pressure relief.
- § 125.167 Extinguishing agent container compartment temperature.
- § 125.169 Fire-extinguishing system materials.
- § 125.171 Fire-detector systems.
- § 125.173 Fire detectors.
- § 125.175 Protection of other airplane components against fire.
- § 125.177 Control of engine rotation.
- § 125.179 Fuel system independence.
- § 125.181 Induction system ice prevention.
- § 125.183 Carriage of cargo in passenger compartments.
- § 125.185 Carriage of cargo in cargo compartments.
- § 125.187 Landing gear: Aural warning device.
- § 125.189 Demonstration of emergency evacuation procedures.
Subpart F— Instrument and Equipment Requirements 19 sections
- § 125.201 Inoperable instruments and equipment.
- § 125.203 Communication and navigation equipment.
- § 125.204 Portable electronic devices.
- § 125.205 Equipment requirements: Airplanes under IFR.
- § 125.206 Pitot heat indication systems.
- § 125.207 Emergency equipment requirements.
- § 125.209 Emergency equipment: Extended overwater operations.
- § 125.211 Seat and safety belts.
- § 125.213 Miscellaneous equipment.
- § 125.215 Operating information required.
- § 125.217 Passenger information.
- § 125.219 Oxygen and portable oxygen concentrators for medical use by passengers.
- § 125.221 Icing conditions: Operating limitations.
- § 125.223 Airborne weather radar equipment requirements.
- § 125.224 Collision avoidance system.
- § 125.225 Flight data recorders.
- § 125.226 Digital flight data recorders.
- § 125.227 Cockpit voice recorders.
- § 125.228 Flight data recorders: filtered data.
Subpart G— Maintenance 7 sections
- § 125.241 Applicability.
- § 125.243 Certificate holder's responsibilities.
- § 125.245 Organization required to perform maintenance, preventive maintenance, and alteration.
- § 125.247 Inspection programs and maintenance.
- § 125.248 [Reserved]
- § 125.249 Maintenance manual requirements.
- § 125.251 Required inspection personnel.
Subpart H— Airman and Crewmember Requirements 6 sections
Subpart I— Flight Crewmember Requirements 10 sections
- § 125.281 Pilot-in-command qualifications.
- § 125.283 Second-in-command qualifications.
- § 125.285 Pilot qualifications: Recent experience.
- § 125.287 Initial and recurrent pilot testing requirements.
- § 125.289 Initial and recurrent flight attendant crewmember testing requirements.
- § 125.291 Pilot in command: Instrument proficiency check requirements.
- § 125.293 Crewmember: Tests and checks, grace provisions, accepted standards.
- § 125.295 Check airman authorization: Application and issue.
- § 125.296 Training, testing, and checking conducted by training centers: Special rules.
- § 125.297 Approval of flight simulators and flight training devices.
Subpart J— Flight Operations 13 sections
- § 125.311 Flight crewmembers at controls.
- § 125.313 Manipulation of controls when carrying passengers.
- § 125.315 Admission to flight deck.
- § 125.317 Inspector's credentials: Admission to pilots' compartment: Forward observer's seat.
- § 125.319 Emergencies.
- § 125.321 Reporting potentially hazardous meteorological conditions and irregularities of ground and navigation facilities.
- § 125.323 Reporting mechanical irregularities.
- § 125.325 Instrument approach procedures and IFR landing minimums.
- § 125.327 Briefing of passengers before flight.
- § 125.328 Prohibition on crew interference.
- § 125.329 Minimum altitudes for use of autopilot.
- § 125.331 Carriage of persons without compliance with the passenger-carrying provisions of this part.
- § 125.333 Stowage of food, beverage, and passenger service equipment during airplane movement on the surface, takeoff, and landing.
Subpart K— Flight Release Rules 17 sections
- § 125.351 Flight release authority.
- § 125.353 Facilities and services.
- § 125.355 Airplane equipment.
- § 125.357 Communication and navigation facilities.
- § 125.359 Flight release under VFR.
- § 125.361 Flight release under IFR or over-the-top.
- § 125.363 Flight release over water.
- § 125.365 Alternate airport for departure.
- § 125.367 Alternate airport for destination: IFR or over-the-top.
- § 125.369 Alternate airport weather minimums.
- § 125.371 Continuing flight in unsafe conditions.
- § 125.373 Original flight release or amendment of flight release.
- § 125.375 Fuel supply: Nonturbine and turbopropeller-powered airplanes.
- § 125.377 Fuel supply: Turbine-engine-powered airplanes other than turbopropeller.
- § 125.379 Landing weather minimums: IFR.
- § 125.381 Takeoff and landing weather minimums: IFR.
- § 125.383 Load manifest.
Subpart L— Records and Reports 6 sections
Subpart M— Continued Airworthiness and Safety Improvements 5 sections
Appendices & SFARs
- SFAR Special Federal Aviation Regulation No. 89
- SFAR Special Federal Aviation Regulation No. 97
- App Appendix A to Part 125—Additional Emergency Equipment
- App Appendix B to Part 125—Criteria for Demonstration of Emergency Evacuation Procedures Under § 125.189
- App Appendix C to Part 125—Ice Protection
- App Appendix D to Part 125—Airplane Flight Recorder Specification
- App Appendix E to Part 125—Airplane Flight Recorder Specifications
Related Advisory Circulars 79 current · 116 cancelled
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- AC 120-26PAssignment of Aircraft Call Signs and Associated TelephoniesCurrent2024-11-14↗
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- AC 120-17BReliability Program Methods—Standards for Determining Time LimitationsCurrent2018-12-19↗
- AC 120-59BInternal Evaluation ProgramsCurrent2018-10-30↗
- AC 120-118Criteria for Approval/Authorization of all Weather Operations for Takeoff, Landing, and RolloutCurrent2018-07-02↗
- AC 120-117Voluntary Disclosure Reporting Program for Apparent Violations of the Drug and Alcohol Testing RegulationsCurrent2017-12-20↗
- AC 120-116Operations and Airworthiness Considerations for U.S.-Based Leasing Companies Operating U.S.-Registered Large Transport Category Airplanes Which Part 125 Would ApplyCurrent2017-10-27↗
- AC 120-72AMaintenance Human Factors TrainingCurrent2017-04-11↗
- AC 120-71BStandard Operating Procedures and Pilot Monitoring Duties for Flight Deck CrewmembersCurrent2017-01-10↗
- AC 120-115Maintainer Fatigue Risk ManagementCurrent2016-12-02↗
- AC 120-114Pilot Training and Checking (14 CFR Part 121 Subparts N and O, including Appendices E and F)Current2016-09-29↗
- AC 125-1AOperations of Large Airplanes Subject to 14 CFR Part 125Current2016-09-15↗
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- AC 120-109AStall Prevention and Recovery Training with Change 1Current2015-11-24↗
- AC 120-87CUse of Child Restraint Systems on AircraftCurrent2015-09-24↗
- AC 120-112Use of Liquid Water Equivalent System to Determine Holdover Times or Check Times for Anti-Icing FluidsCurrent2015-07-14↗
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- AC 120-35DFlightcrew Member Line Operational Simulations: Line-Oriented Flight Training, Special Purpose Operational Training, Line Operational EvaluationCurrent2015-03-13↗
- AC 120-61BIn-flight Radiation ExposureCurrent2014-11-21↗
- AC 120-103AFatigue Risk Management Systems for Aviation SafetyCurrent2013-05-06↗
- AC 120-74BParts 91, 121, 125, and 135 Flightcrew Procedures During Taxi OperationsCurrent2012-07-30↗
- AC 120-98AOperator Information for Incorporating Fuel Tank Flammability Reduction Requirements into a Maintenance or Inspection Program (Including Change 1)Current2012-06-22↗
- AC 120-97AIncorporation of Fuel Tank System Instructions for Continued Airworthiness into Operator Maintenance or Inspection Programs (Including Change 1)Current2012-05-25↗
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