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Electronic Code of Federal Regulations

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e-CFR Data is current as of July 21, 2014

TITLE 14—Aeronautics and Space

CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED)

SUBCHAPTER G—AIR CARRIERS AND OPERATORS FOR COMPENSATION OR HIRE: CERTIFICATION AND OPERATIONS

PART 121—OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS

rule
Appendix
Special Federal Aviation Regulation No. 50-2
Appendix
Special Federal Aviation Regulation No. 71
Appendix
Special Federal Aviation Regulation No. 97
Appendix
Special Federal Aviation Regulation No. 106—Rules for use of portable oxygen concentrator systems on board aircraft

Subpart A—GENERAL

§121.1
Applicability.
§121.2
Compliance schedule for operators that transition to part 121; certain new entrant operators.
§121.4
Applicability of rules to unauthorized operators.
§121.7
Definitions.
§121.9
Fraud and falsification.
§121.11
Rules applicable to operations in a foreign country.
§121.15
Carriage of narcotic drugs, marihuana, and depressant or stimulant drugs or substances.
rule

Subpart B—CERTIFICATION RULES FOR DOMESTIC AND FLAG AIR CARRIERS [RESERVED]

rule

Subpart C—CERTIFICATION RULES FOR SUPPLEMENTAL AIR CARRIERS AND COMMERCIAL OPERATORS [RESERVED]

rule

Subpart D—RULES GOVERNING ALL CERTIFICATE HOLDERS UNDER THIS PART [RESERVED]

rule

Subpart E—APPROVAL OF ROUTES: DOMESTIC AND FLAG OPERATIONS

§121.91
Applicability.
§121.93
Route requirements: General.
§121.95
Route width.
§121.97
Airports: Required data.
§121.99
Communications facilities—domestic and flag operations.
§121.101
Weather reporting facilities.
§121.103
En route navigation facilities.
§121.105
Servicing and maintenance facilities.
§121.106
ETOPS Alternate Airport: Rescue and fire fighting service.
§121.107
Dispatch centers.
rule

Subpart F—APPROVAL OF AREAS AND ROUTES FOR SUPPLEMENTAL OPERATIONS

§121.111
Applicability.
§121.113
Area and route requirements: General.
§121.115
Route width.
§121.117
Airports: Required data.
§121.119
Weather reporting facilities.
§121.121
En route navigation facilities.
§121.122
Communications facilities—supplemental operations.
§121.123
Servicing maintenance facilities.
§121.125
Flight following system.
§121.127
Flight following system; requirements.
rule

Subpart G—MANUAL REQUIREMENTS

§121.131
Applicability.
§121.133
Preparation.
§121.135
Manual contents.
§121.137
Distribution and availability.
§121.139
Requirements for manual aboard aircraft: Supplemental operations.
§121.141
Airplane flight manual.
rule

Subpart H—AIRCRAFT REQUIREMENTS

§121.151
Applicability.
§121.153
Aircraft requirements: General.
§121.155
[Reserved]
§121.157
Aircraft certification and equipment requirements.
§121.159
Single-engine airplanes prohibited.
§121.161
Airplane limitations: Type of route.
§121.162
ETOPS Type Design Approval Basis.
§121.163
Aircraft proving tests.
rule

Subpart I—AIRPLANE PERFORMANCE OPERATING LIMITATIONS

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

Subpart J—SPECIAL AIRWORTHINESS REQUIREMENTS

§121.211
Applicability.
§121.213
[Reserved]
§121.215
Cabin interiors.
§121.217
Internal doors.
§121.219
Ventilation.
§121.221
Fire precautions.
§121.223
Proof of compliance with §121.221.
§121.225
Propeller deicing fluid.
§121.227
Pressure cross-feed arrangements.
§121.229
Location of fuel tanks.
§121.231
Fuel system lines and fittings.
§121.233
Fuel lines and fittings in designated fire zones.
§121.235
Fuel valves.
§121.237
Oil lines and fittings in designated fire zones.
§121.239
Oil valves.
§121.241
Oil system drains.
§121.243
Engine breather lines.
§121.245
Fire walls.
§121.247
Fire-wall construction.
§121.249
Cowling.
§121.251
Engine accessory section diaphragm.
§121.253
Powerplant fire protection.
§121.255
Flammable fluids.
§121.257
Shutoff means.
§121.259
Lines and fittings.
§121.261
Vent and drain lines.
§121.263
Fire-extinguishing systems.
§121.265
Fire-extinguishing agents.
§121.267
Extinguishing agent container pressure relief.
§121.269
Extinguishing agent container compartment temperature.
§121.271
Fire-extinguishing system materials.
§121.273
Fire-detector systems.
§121.275
Fire detectors.
§121.277
Protection of other airplane components against fire.
§121.279
Control of engine rotation.
§121.281
Fuel system independence.
§121.283
Induction system ice prevention.
§121.285
Carriage of cargo in passenger compartments.
§121.287
Carriage of cargo in cargo compartments.
§121.289
Landing gear: Aural warning device.
§121.291
Demonstration of emergency evacuation procedures.
§121.293
Special airworthiness requirements for nontransport category airplanes type certificated after December 31, 1964.
§121.295
Location for a suspect device.
rule

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.
§121.344a
Digital flight data recorders for 10-19 seat 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]
rule

Subpart L—MAINTENANCE, PREVENTIVE MAINTENANCE, AND ALTERATIONS

§121.361
Applicability.
§121.363
Responsibility for airworthiness.
§121.365
Maintenance, preventive maintenance, and alteration organization.
§121.367
Maintenance, preventive maintenance, and alterations programs.
§121.368
[Reserved]
§121.369
Manual requirements.
§§121.370-121.370a
[Reserved]
§121.371
Required inspection personnel.
§121.373
Continuing analysis and surveillance.
§121.374
Continuous airworthiness maintenance program (CAMP) for two-engine ETOPS.
§121.375
Maintenance and preventive maintenance training program.
§121.377
Maintenance and preventive maintenance personnel duty time limitations.
§121.378
Certificate requirements.
§121.379
Authority to perform and approve maintenance, preventive maintenance, and alterations.
§121.380
Maintenance recording requirements.
§121.380a
Transfer of maintenance records.
rule

Subpart M—AIRMAN AND CREWMEMBER REQUIREMENTS

§121.381
Applicability.
§121.383
Airman: Limitations on use of services.
§121.385
Composition of flight crew.
§121.387
Flight engineer.
§121.389
Flight navigator and specialized navigation equipment.
§121.391
Flight attendants.
§121.392
Personnel identified as flight attendants.
§121.393
Crewmember requirements at stops where passengers remain on board.
§121.394
Flight attendant requirements during passenger boarding and deplaning.
§121.395
Aircraft dispatcher: Domestic and flag operations.
§121.397
Emergency and emergency evacuation duties.
rule

Subpart N—TRAINING PROGRAM

§121.400
Applicability and terms used.
§121.401
Training program: General.
§121.402
Training program: Special rules.
§121.403
Training program: Curriculum.
§121.404
Compliance dates: Crew and dispatcher resource management training.
§121.405
Training program and revision: Initial and final approval.
§121.406
Credit for previous CRM/DRM training.
§121.407
Training program: Approval of airplane simulators and other training devices.
§121.408
Training equipment other than flight simulation training devices.
§121.409
Training courses using airplane simulators and other training devices.
§121.410
Airline transport pilot certification training program.
§121.411
Qualifications: Check airmen (airplane) and check airmen (simulator).
§121.412
Qualifications: Flight instructors (airplane) and flight instructors (simulator).
§121.413
Initial, transition and recurrent training and checking requirements: Check airmen (airplane), check airmen (simulator).
§121.414
Initial, transition and recurrent training and checking requirements: flight instructors (airplane), flight instructors (simulator).
§121.415
Crewmember and dispatcher training program requirements.
§121.417
Crewmember emergency training.
§121.418
Differences training and related aircraft differences training.
§121.419
Pilots and flight engineers: Initial, transition, and upgrade ground training.
§121.420
[Reserved]
§121.421
Flight attendants: Initial and transition ground training.
§121.422
Aircraft dispatchers: Initial and transition ground training.
§121.423
Pilot: Extended Envelope Training.
§121.424
Pilots: Initial, transition, and upgrade flight training.
§121.425
Flight engineers: Initial and transition flight training.
§121.426
[Reserved]
§121.427
Recurrent training.
§121.429
[Reserved]
rule

Subpart O—CREWMEMBER QUALIFICATIONS

§121.431
Applicability.
§121.432
General.
§121.433
Training required.
§121.434
Operating experience, operating cycles, and consolidation of knowledge and skills.
§121.435
[Reserved]
§121.436
Pilot Qualification: Certificates and experience requirements.
§121.438
Pilot operating limitations and pairing requirements.
§121.439
Pilot qualification: Recent experience.
§121.440
Line checks.
§121.441
Proficiency checks.
§121.443
Pilot in command qualification: Route and airports.
§121.445
Pilot in command airport qualification: Special areas and airports.
§121.447
[Reserved]
§121.453
Flight engineer qualifications.
§§121.455-121.459
[Reserved]
rule

Subpart P—AIRCRAFT DISPATCHER QUALIFICATIONS AND DUTY TIME

Limitations: Domestic and Flag Operations; Flight Attendant Duty Period Limitations and Rest Requirements: Domestic, Flag, and Supplemental Operations

§121.461
Applicability.
§121.463
Aircraft dispatcher qualifications.
§121.465
Aircraft dispatcher duty time limitations: Domestic and flag operations.
§121.467
Flight attendant duty period limitations and rest requirements: Domestic, flag, and supplemental operations.
rule

Subpart Q—FLIGHT TIME LIMITATIONS AND REST REQUIREMENTS: DOMESTIC OPERATIONS

§121.470
Applicability.
§121.471
Flight time limitations and rest requirements: All flight crewmembers.
§121.473
Fatigue risk management system.
rule

Subpart R—FLIGHT TIME LIMITATIONS: FLAG OPERATIONS

§121.480
Applicability.
§121.481
Flight time limitations: One or two pilot crews.
§121.483
Flight time limitations: Two pilots and one additional flight crewmember.
§121.485
Flight time limitations: Three or more pilots and an additional flight crewmember.
§121.487
Flight time limitations: Pilots not regularly assigned.
§121.489
Flight time limitations: Other commercial flying.
§121.491
Flight time limitations: Deadhead transportation.
§121.493
Flight time limitations: Flight engineers and flight navigators.
§121.495
Fatigue risk management system.
rule

Subpart S—FLIGHT TIME LIMITATIONS: SUPPLEMENTAL OPERATIONS

§121.500
Applicability.
§121.503
Flight time limitations: Pilots: airplanes.
§121.505
Flight time limitations: Two pilot crews: airplanes.
§121.507
Flight time limitations: Three pilot crews: airplanes.
§121.509
Flight time limitations: Four pilot crews: airplanes.
§121.511
Flight time limitations: Flight engineers: airplanes.
§121.513
Flight time limitations: Overseas and international operations: airplanes.
§121.515
Flight time limitations: All airmen: airplanes.
§121.517
Flight time limitations: Other commercial flying: airplanes.
§121.519
Flight time limitations: Deadhead transportation: airplanes.
§121.521
Flight time limitations: Crew of two pilots and one additional airman as required.
§121.523
Flight time limitations: Crew of three or more pilots and additional airmen as required.
§121.525
Flight time limitations: Pilots serving in more than one kind of flight crew.
§121.527
Fatigue risk management system.
rule

Subpart T—FLIGHT OPERATIONS

§121.531
Applicability.
§121.533
Responsibility for operational control: Domestic operations.
§121.535
Responsibility for operational control: Flag operations.
§121.537
Responsibility for operational control: Supplemental operations.
§121.538
Aircraft security.
§121.539
Operations notices.
§121.541
Operations schedules: Domestic and flag operations.
§121.542
Flight crewmember duties.
§121.543
Flight crewmembers at controls.
§121.544
Pilot monitoring.
§121.545
Manipulation of controls.
§121.547
Admission to flight deck.
§121.548
Aviation safety inspector's credentials: Admission to pilot's compartment.
§121.548a
DOD Commercial Air Carrier Evaluator's Credential.
§121.549
Flying equipment.
§121.550
Secret Service Agents: Admission to flight deck.
§121.551
Restriction or suspension of operation: Domestic and flag operations.
§121.553
Restriction or suspension of operation: Supplemental operations.
§121.555
Compliance with approved routes and limitations: Domestic and flag operations.
§121.557
Emergencies: Domestic and flag operations.
§121.559
Emergencies: Supplemental operations.
§121.561
Reporting potentially hazardous meteorological conditions and irregularities of ground facilities or navigation aids.
§121.563
Reporting mechanical irregularities.
§121.565
Engine inoperative: Landing; reporting.
§121.567
Instrument approach procedures and IFR landing minimums.
§121.569
Equipment interchange: Domestic and flag operations.
§121.570
Airplane evacuation capability.
§121.571
Briefing passengers before takeoff.
§121.573
Briefing passengers: Extended overwater operations.
§121.574
Oxygen for medical use by passengers.
§121.575
Alcoholic beverages.
§121.576
Retention of items of mass in passenger and crew compartments.
§121.577
Stowage of food, beverage, and passenger service equipment during airplane movement on the surface, takeoff, and landing.
§121.578
Cabin ozone concentration.
§121.579
Minimum altitudes for use of autopilot.
§121.580
Prohibition on interference with crewmembers.
§121.581
Observer's seat: En route inspections.
§121.582
Means to discreetly notify a flightcrew.
§121.583
Carriage of persons without compliance with the passenger-carrying requirements of this part.
§121.584
Requirement to view the area outside the flightdeck door.
§121.585
Exit seating.
§121.586
Authority to refuse transportation.
§121.587
Closing and locking of flightcrew compartment door.
§121.589
Carry-on baggage.
§121.590
Use of certificated land airports in the United States.
rule

Subpart U—DISPATCHING AND FLIGHT RELEASE RULES

§121.591
Applicability.
§121.593
Dispatching authority: Domestic operations.
§121.595
Dispatching authority: Flag operations.
§121.597
Flight release authority: Supplemental operations.
§121.599
Familiarity with weather conditions.
§121.601
Aircraft dispatcher information to pilot in command: Domestic and flag operations.
§121.603
Facilities and services: Supplemental operations.
§121.605
Airplane equipment.
§121.607
Communication and navigation facilities: Domestic and flag operations.
§121.609
Communication and navigation facilities: Supplemental operations.
§121.611
Dispatch or flight release under VFR.
§121.613
Dispatch or flight release under IFR or over the top.
§121.615
Dispatch or flight release over water: Flag and supplemental operations.
§121.617
Alternate airport for departure.
§121.619
Alternate airport for destination: IFR or over-the-top: Domestic operations.
§121.621
Alternate airport for destination: Flag operations.
§121.623
Alternate airport for destination: IFR or over-the-top: Supplemental operations.
§121.624
ETOPS Alternate Airports.
§121.625
Alternate Airport weather minima.
§121.627
Continuing flight in unsafe conditions.
§121.628
Inoperable instruments and equipment.
§121.629
Operation in icing conditions.
§121.631
Original dispatch or flight release, redispatch or amendment of dispatch or flight release.
§121.633
Considering time-limited systems in planning ETOPS alternates.
§121.635
Dispatch to and from refueling or provisional airports: Domestic and flag operations.
§121.637
Takeoffs from unlisted and alternate airports: Domestic and flag operations.
§121.639
Fuel supply: All domestic operations.
§121.641
Fuel supply: Nonturbine and turbo-propeller-powered airplanes: Flag operations.
§121.643
Fuel supply: Nonturbine and turbo-propeller-powered airplanes: Supplemental operations.
§121.645
Fuel supply: Turbine-engine powered airplanes, other than turbo propeller: Flag and supplemental operations.
§121.646
En-route fuel supply: flag and supplemental operations.
§121.647
Factors for computing fuel required.
§121.649
Takeoff and landing weather minimums: VFR: Domestic operations.
§121.651
Takeoff and landing weather minimums: IFR: All certificate holders.
§121.652
Landing weather minimums: IFR: All certificate holders.
§121.653
[Reserved]
§121.655
Applicability of reported weather minimums.
§121.657
Flight altitude rules.
§121.659
Initial approach altitude: Domestic and supplemental operations.
§121.661
Initial approach altitude: Flag operations.
§121.663
Responsibility for dispatch release: Domestic and flag operations.
§121.665
Load manifest.
§121.667
Flight plan: VFR and IFR: Supplemental operations.
rule

Subpart V—RECORDS AND REPORTS

§121.681
Applicability.
§121.683
Crewmember and dispatcher record.
§121.685
Aircraft record: Domestic and flag operations.
§121.687
Dispatch release: Flag and domestic operations.
§121.689
Flight release form: Supplemental operations.
§121.691
[Reserved]
§121.693
Load manifest: All certificate holders.
§121.695
Disposition of load manifest, dispatch release, and flight plans: Domestic and flag operations.
§121.697
Disposition of load manifest, flight release, and flight plans: Supplemental operations.
§§121.698-121.699
[Reserved]
§121.701
Maintenance log: Aircraft.
§121.703
Service difficulty reports.
§121.705
Mechanical interruption summary report.
§121.707
Alteration and repair reports.
§121.709
Airworthiness release or aircraft log entry.
§121.711
Communication records: Domestic and flag operations.
§121.713
Retention of contracts and amendments: Commercial operators who conduct intrastate operations for compensation or hire.
rule

Subpart W—CREWMEMBER CERTIFICATE: INTERNATIONAL

§121.721
Applicability.
§121.723
Surrender of international crewmember certificate.
rule

Subpart X—EMERGENCY MEDICAL EQUIPMENT AND TRAINING

§121.801
Applicability.
§121.803
Emergency medical equipment.
§121.805
Crewmember training for in-flight medical events.
rule

Subpart Y—ADVANCED QUALIFICATION PROGRAM

§121.901
Purpose and eligibility.
§121.903
General requirements for Advanced Qualification Programs.
§121.905
Confidential commercial information.
§121.907
Definitions.
§121.909
Approval of Advanced Qualification Program.
§121.911
Indoctrination curriculum.
§121.913
Qualification curriculum.
§121.915
Continuing qualification curriculum.
§121.917
Other requirements.
§121.919
Certification.
§121.921
Training devices and simulators.
§121.923
Approval of training, qualification, or evaluation by a person who provides training by arrangement.
§121.925
Recordkeeping requirements.
rule

Subpart Z—HAZARDOUS MATERIALS TRAINING PROGRAM

§121.1001
Applicability and definitions.
§121.1003
Hazardous materials training: General.
§121.1005
Hazardous materials training required.
§121.1007
Hazardous materials training records.
rule

Subpart AA—CONTINUED AIRWORTHINESS AND SAFETY IMPROVEMENTS

§121.1101
Purpose and definition.
§121.1103
[Reserved]
§121.1105
Aging airplane inspections and records reviews.
§121.1107
Repairs assessment for pressurized fuselages.
§121.1109
Supplemental inspections.
§121.1111
Electrical wiring interconnection systems (EWIS) maintenance program.
§121.1113
Fuel tank system maintenance program.
§121.1115
Limit of validity.
§121.1117
Flammability reduction means.
rule

Subpart BB—[RESERVED]

§§121.1200-121.1399
[Reserved]
rule

Subpart CC—[RESERVED]

§§121.1400-121.1499
[Reserved]
rule

Subpart DD—SPECIAL FEDERAL AVIATION REGULATIONS

§121.1500
SFAR No. 111—Lavatory Oxygen Systems.
Appendix
Appendix A to Part 121—First Aid Kits and Emergency Medical Kits
Appendix
Appendix B to Part 121—Airplane Flight Recorder Specification
Appendix
Appendix C to Part 121—C-46 Nontransport Category Airplanes
Appendix
Appendix D to Part 121—Criteria for Demonstration of Emergency Evacuation Procedures Under §121.291
Appendix
Appendix E to Part 121—Flight Training Requirements
Appendix
Appendix F to Part 121—Proficiency Check Requirements
Appendix
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
Appendix H to Part 121—Advanced Simulation
Appendix
Appendixes I-J to Part 121 [Reserved]
Appendix
Appendix K to Part 121—Performance Requirements for Certain Turbopropeller Powered Airplanes
Appendix
Appendix L to Part 121—Type Certification Regulations Made Previously Effective
Appendix
Appendix M to Part 121—Airplane Flight Recorder Specifications
Appendix
Appendix N to Part 121 [Reserved]
Appendix
Appendix O to Part 121—Hazardous Materials Training Requirements For Certificate Holders
Appendix
Appendix P to Part 121—Requirements for ETOPS and Polar Operations


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