14 C.F.R. PART 121--OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS
TITLE 14--Aeronautics and Space
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
SUBCHAPTER G--AIR CARRIERS AND OPERATORS FOR COMPENSATION OR HIRE: CERTIFICATION AND OPERATIONS
PART 121--OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS
Subpart A--GENERAL
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Compliance schedule for operators that transition to part 121; certain new entrant operators.
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Applicability of rules to unauthorized operators.
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Rules applicable to operations in a foreign country.
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Carriage of narcotic drugs, marihuana, and depressant or stimulant drugs or substances.
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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 E--APPROVAL OF ROUTES: DOMESTIC AND FLAG OPERATIONS
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Route requirements: General.
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Communication facilities.
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Weather reporting facilities.
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En route navigational facilities.
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Servicing and maintenance facilities.
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Subpart F--APPROVAL OF AREAS AND ROUTES FOR SUPPLEMENTAL OPERATIONS
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Area and route requirements: General.
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Weather reporting facilities.
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En route navigational facilities.
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Servicing maintenance facilities.
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Flight following system; requirements.
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Subpart G--MANUAL REQUIREMENTS
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Distribution and availability.
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Requirements for manual aboard aircraft: Supplemental operations.
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Subpart H--AIRCRAFT REQUIREMENTS
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Aircraft requirements: General.
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Aircraft certification and equipment requirements.
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Single-engine airplanes prohibited.
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Airplane limitations: Type of route.
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Subpart I--AIRPLANE PERFORMANCE OPERATING LIMITATIONS
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Airplanes: Reciprocating engine-powered: Weight limitations.
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Airplanes: Reciprocating engine-powered: Takeoff limitations.
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Airplanes: Reciprocating engine-powered: En route limitations: All engines operating.
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Airplanes: Reciprocating engine-powered: En route limitations: One engine inoperative.
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Part 25 airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative.
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Airplanes: Reciprocating engine-powered: Landing limitations: Destination airport.
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Airplanes: Reciprocating engine-powered: Landing limitations: Alternate airport.
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Airplanes: Turbine engine powered: Takeoff limitations.
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Airplanes: Turbine engine powered: En route limitations: One engine inoperative.
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Airplanes: Turbine engine powered: En route limitations: Two engines inoperative.
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Airplanes: Turbine engine powered: Landing limitations: Destination airports.
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Airplanes: Turbine engine powered: Landing limitations: Alternate airports.
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Cargo service airplanes: Increased zero fuel and landing weights.
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Nontransport category airplanes: Takeoff limitations.
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Nontransport category airplanes: En route limitations: One engine inoperative.
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Nontransport category airplanes: Landing limitations: Destination airport.
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Nontransport category airplanes: Landing limitations: Alternate airport.
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Provisionally certificated airplanes: Operating limitations.
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Subpart J--SPECIAL AIRWORTHINESS REQUIREMENTS
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Proof of compliance with 121.221.
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Pressure cross-feed arrangements.
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Fuel system lines and fittings.
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Fuel lines and fittings in designated fire zones.
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Oil lines and fittings in designated fire zones.
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Engine accessory section diaphragm.
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Powerplant fire protection.
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Fire-extinguishing systems.
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Fire-extinguishing agents.
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Extinguishing agent container pressure relief.
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Extinguishing agent container compartment temperature.
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Fire-extinguishing system materials.
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Protection of other airplane components against fire.
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Control of engine rotation.
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Fuel system independence.
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Induction system ice prevention.
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Carriage of cargo in passenger compartments.
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Carriage of cargo in cargo compartments.
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Landing gear: Aural warning device.
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Demonstration of emergency evacuation procedures.
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Special airworthiness requirements for nontransport category airplanes type certificated after December 31, 1964.
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Subpart K--INSTRUMENT AND EQUIPMENT REQUIREMENTS
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Airplane instruments and equipment.
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Flight and navigational equipment.
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Portable electronic devices.
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Lavatory fire protection.
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Additional emergency equipment.
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Seats, safety belts, and shoulder harnesses.
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Materials for compartment interiors.
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Cargo and baggage compartments.
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Passenger information requirements, smoking prohibitions, and additional seat belt requirements.
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Crewmember interphone system.
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Instruments and equipment for operations at night.
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Instruments and equipment for operations under IFR or over-the-top.
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Supplemental oxygen: Reciprocating engine powered airplanes.
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Supplemental oxygen for sustenance: Turbine engine powered airplanes.
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Supplemental oxygen requirements for pressurized cabin airplanes: Reciprocating engine powered airplanes.
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Supplemental oxygen for emergency descent and for first aid; turbine engine powered airplanes with pressurized cabins.
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Protective breathing equipment.
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Emergency equipment for extended over-water operations.
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Emergency flotation means.
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Equipment for operations in icing conditions.
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Pitot heat indication systems.
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Digital flight data recorders for transport category airplanes.
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Digital flight data recorders for 10-19 seat airplanes.
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Radio equipment for operations under VFR over routes navigated by pilotage.
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Radio equipment for operations under VFR over routes not navigated by pilotage or for operations under IFR or over-the-top.
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Radio equipment for extended overwater operations and for certain other operations.
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Emergency equipment for operations over uninhabited terrain areas: Flag, supplemental, and certain domestic operations.
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Terrain awareness and warning system.
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Equipment for operations on which specialized means of navigation are used.
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Collision avoidance system.
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Airborne weather radar equipment requirements.
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Low-altitude windshear system equipment requirements.
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Ground proximity warning-glide slope deviation alerting system.
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Subpart L--MAINTENANCE, PREVENTIVE MAINTENANCE, AND ALTERATIONS
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Responsibility for airworthiness.
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Maintenance, preventive maintenance, and alteration organization.
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Maintenance, preventive maintenance, and alterations programs.
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Aging airplane inspections and records reviews.
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Special maintenance program requirements.
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Supplemental inspections.
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Required inspection personnel.
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Continuing analysis and surveillance.
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Maintenance and preventive maintenance training program.
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Maintenance and preventive maintenance personnel duty time limitations.
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Certificate requirements.
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Authority to perform and approve maintenance, preventive maintenance, and alterations.
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Maintenance recording requirements.
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Transfer of maintenance records.
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Subpart M--AIRMAN AND CREWMEMBER REQUIREMENTS
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Airman: Limitations on use of services.
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Composition of flight crew.
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Flight navigator and specialized navigation equipment.
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Crewmember requirements at stops where passengers remain on board.
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Aircraft dispatcher: Domestic and flag operations.
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Emergency and emergency evacuation duties.
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Subpart N--TRAINING PROGRAM
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Applicability and terms used.
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Training program: General.
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Training program: Special rules.
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Training program: Curriculum.
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Compliance dates: Crew and dispatcher resource management training.
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Training program and revision: Initial and final approval.
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Credit for previous CRM/DRM training.
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Training program: Approval of airplane simulators and other training devices.
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Training courses using airplane simulators and other training devices.
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Qualifications: Check airmen (airplane) and check airmen (simulator).
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Qualifications: Flight instructors (airplane) and flight instructors (simulator).
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Initial and transition training and checking requirements: Check airmen (airplane), check airmen (simulator).
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Initial and transition training and checking requirements: flight instructors (airplane), flight instructors (simulator).
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Crewmember and dispatcher training requirements.
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Crewmember emergency training.
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Differences training: Crewmembers and dispatchers.
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Pilots and flight engineers: Initial, transition, and upgrade ground training.
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Flight navigators: Initial and transition ground training.
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Flight attendants: Initial and transition ground training.
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Aircraft dispatchers: Initial and transition ground training.
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Pilots: Initial, transition, and upgrade flight training.
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Flight engineers: Initial and transition flight training.
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Flight navigators: Initial and transition flight training.
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Subpart O--CREWMEMBER QUALIFICATIONS
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Operating experience, operating cycles, and consolidation of knowledge and skills.
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Pilot qualification: Certificates required.
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Pilot operating limitations and pairing requirements.
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Pilot qualification: Recent experience.
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Pilot in command qualification: Route and airports.
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Pilot in command airport qualification: Special areas and airports.
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Flight engineer qualifications.
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Testing for prohibited drugs.
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Subpart P--AIRCRAFT DISPATCHER QUALIFICATIONS AND DUTY TIME
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Aircraft dispatcher qualifications.
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Aircraft dispatcher duty time limitations: Domestic and flag operations.
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Flight attendant duty period limitations and rest requirements: Domestic, flag, and supplemental operations.
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Subpart Q--FLIGHT TIME LIMITATIONS AND REST REQUIREMENTS: DOMESTIC OPERATIONS
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Flight time limitations and rest requirements: All flight crewmembers.
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Subpart R--FLIGHT TIME LIMITATIONS: FLAG OPERATIONS
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Flight time limitations: One or two pilot crews.
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Flight time limitations: Two pilots and one additional flight crewmember.
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Flight time limitations: Three or more pilots and an additional flight crewmember.
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Flight time limitations: Pilots not regularly assigned.
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Flight time limitations: Other commercial flying.
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Flight time limitations: Deadhead transportation.
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Flight time limitations: Flight engineers and flight navigators.
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Subpart S--FLIGHT TIME LIMITATIONS: SUPPLEMENTAL OPERATIONS
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Flight time limitations: Pilots: airplanes.
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Flight time limitations: Two pilot crews: airplanes.
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Flight time limitations: Three pilot crews: airplanes.
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Flight time limitations: Four pilot crews: airplanes.
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Flight time limitations: Flight engineers: airplanes.
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Flight time limitations: Overseas and international operations: airplanes.
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Flight time limitations: All airmen: airplanes.
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Flight time limitations: Other commercial flying: airplanes.
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Flight time limitations: Deadhead transportation: airplanes.
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Flight time limitations: Crew of two pilots and one additional airman as required.
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Flight time limitations: Crew of three or more pilots and additional airmen as required.
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Flight time limitations: Pilots serving in more than one kind of flight crew.
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Subpart T--FLIGHT OPERATIONS
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Responsibility for operational control: Domestic operations.
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Responsibility for operational control: Flag operations.
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Responsibility for operational control: Supplemental operations.
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Operations schedules: Domestic and flag operations.
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Flight crewmember duties.
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Flight crewmembers at controls.
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Manipulation of controls.
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Admission to flight deck.
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Aviation safety inspector's credentials: Admission to pilot's compartment.
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DOD Commercial Air Carrier Evaluator's Credential.
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Secret Service Agents: Admission to flight deck.
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Restriction or suspension of operation: Domestic and flag operations.
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Restriction or suspension of operation: Supplemental operations.
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Compliance with approved routes and limitations: Domestic and flag operations.
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Emergencies: Domestic and flag operations.
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Emergencies: Supplemental operations.
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Reporting potentially hazardous meteorological conditions and irregularities of ground and navigation facilities.
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Reporting mechanical irregularities.
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Engine inoperative: Landing; reporting.
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Instrument approach procedures and IFR landing minimums.
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Equipment interchange: Domestic and flag operations.
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Airplane evacuation capability.
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Briefing passengers before takeoff.
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Briefing passengers: Extended overwater operations.
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Oxygen for medical use by passengers.
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Retention of items of mass in passenger and crew compartments.
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Stowage of food, beverage, and passenger service equipment during airplane movement on the surface, takeoff, and landing.
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Cabin ozone concentration.
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Minimum altitudes for use of autopilot.
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Prohibition on interference with crewmembers.
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Observer's seat: En route inspections.
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Carriage of persons without compliance with the passenger-carrying requirements of this part.
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Authority to refuse transportation.
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Closing and locking of flightcrew compartment door.
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Use of certificated land airports in the United States.
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Subpart U--DISPATCHING AND FLIGHT RELEASE RULES
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Dispatching authority: Domestic operations.
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Dispatching authority: Flag operations.
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Flight release authority: Supplemental operations.
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Familiarity with weather conditions.
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Aircraft dispatcher information to pilot in command: Domestic and flag operations.
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Facilities and services: Supplemental operations.
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Communication and navigation facilities: Domestic and flag operations.
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Communication and navigation facilities: Supplemental operations.
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Dispatch or flight release under VFR.
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Dispatch or flight release under IFR or over the top.
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Dispatch or flight release over water: Flag and supplemental operations.
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Alternate airport for departure.
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Alternate airport for destination: IFR or over-the-top: Domestic operations.
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Alternate airport for destination: Flag operations.
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Alternate airport for destination: IFR or over-the-top: Supplemental operations.
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Alternate airport weather minimums.
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Continuing flight in unsafe conditions.
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Inoperable instruments and equipment.
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Operation in icing conditions.
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Original dispatch or flight release, redispatch or amendment of dispatch or flight release.
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Dispatch to and from refueling or provisional airports: Domestic and flag operations.
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Takeoffs from unlisted and alternate airports: Domestic and flag operations.
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Fuel supply: All domestic operations.
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Fuel supply: Nonturbine and turbo-propeller-powered airplanes: Flag operations.
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Fuel supply: Nonturbine and turbo-propeller-powered airplanes: Supplemental operations.
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Fuel supply: Turbine-engine powered airplanes, other than turbo propeller: Flag and supplemental operations.
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Factors for computing fuel required.
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Takeoff and landing weather minimums: VFR: Domestic operations.
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Takeoff and landing weather minimums: IFR: All certificate holders.
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Landing weather minimums: IFR: All certificate holders.
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Applicability of reported weather minimums.
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Initial approach altitude: Domestic and supplemental operations.
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Initial approach altitude: Flag operations.
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Responsibility for dispatch release: Domestic and flag operations.
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Flight plan: VFR and IFR: Supplemental operations.
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Subpart V--RECORDS AND REPORTS
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Crewmember and dispatcher record.
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Aircraft record: Domestic and flag operations.
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Dispatch release: Flag and domestic operations.
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Flight release form: Supplemental operations.
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Load manifest: All certificate holders.
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Disposition of load manifest, dispatch release, and flight plans: Domestic and flag operations.
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Disposition of load manifest, flight release, and flight plans: Supplemental operations.
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Maintenance log: Aircraft.
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Service difficulty reports.
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Mechanical interruption summary report.
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Alteration and repair reports.
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Airworthiness release or aircraft log entry.
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Communication records: Domestic and flag operations.
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Retention of contracts and amendments: Commercial operators who conduct intrastate operations for compensation or hire.
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Subpart W--CREWMEMBER CERTIFICATE: INTERNATIONAL
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Surrender of international crewmember certificate.
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Subpart X--EMERGENCY MEDICAL EQUIPMENT AND TRAINING
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Emergency medical equipment.
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Crewmember training for in-flight medical events.
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Subpart Y--AVANCED QUALIFICATION PROGRAM
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General requirements for Advanced Qualification Programs.
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Confidential commercial information.
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Approval of Advanced Qualification Program.
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Indoctrination curriculum.
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Qualification curriculum.
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Continuing qualification curriculum.
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Training devices and simulators.
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Approval of training, qualification, or evaluation by a person who provides training by arrangement.
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Recordkeeping requirements.
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Subpart Z--HAZARDOUS MATERIALS TRAINING PROGRAM
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Applicability and definitions.
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Hazardous materials training: General.
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Hazardous materials training required.
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Hazardous materials training records.
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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
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Appendix O--Hazardous Materials Training Requirements For Certificate Holders
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