Code of Federal Regulations (alpha)

CFR /  Title 14  /  Part 121: Operating Requirements: Domestic, Flag, And Supplemental Operations

Section No. Description
Section 121.1 Compliance schedule for operators that transition to part 121; certain new entrant operators
Section 121.2 Applicability of rules to unauthorized operators
Section 121.4 Definitions
Section 121.7 Fraud and falsification
Section 121.9 Rules applicable to operations in a foreign country
Section 121.11 Carriage of narcotic drugs, marihuana, and depressant or stimulant drugs or substances
Section 121.15 Applicability
Section 121.91 Route requirements: General
Section 121.93 Route width
Section 121.95 Airports: Required data
Section 121.97 Communications facilities--domestic and flag operations
Section 121.99 Weather reporting facilities
Section 121.101 En route navigation facilities
Section 121.103 Servicing and maintenance facilities
Section 121.105 ETOPS Alternate Airport: Rescue and fire fighting service
Section 121.106 Dispatch centers
Section 121.107 Applicability
Section 121.111 Area and route requirements: General
Section 121.113 Route width
Section 121.115 Airports: Required data
Section 121.117 Weather reporting facilities
Section 121.119 En route navigation facilities
Section 121.121 Communications facilities--supplemental operations
Section 121.122 Servicing maintenance facilities
Section 121.123 Flight following system
Section 121.125 Flight following system; requirements
Section 121.127 Applicability
Section 121.131 Preparation
Section 121.133 Manual contents
Section 121.135 Distribution and availability
Section 121.137 Requirements for manual aboard aircraft: Supplemental operations
Section 121.139 Airplane flight manual
Section 121.141 Applicability
Section 121.151 Aircraft requirements: General
Section 121.153 Aircraft certification and equipment requirements
Section 121.157 Single-engine airplanes prohibited
Section 121.159 Airplane limitations: Type of route
Section 121.161 ETOPS Type Design Approval Basis
Section 121.162 Aircraft proving tests
Section 121.163 Applicability
Section 121.171 General
Section 121.173 Airplanes: Reciprocating engine-powered: Weight limitations
Section 121.175 Airplanes: Reciprocating engine-powered: Takeoff limitations
Section 121.177 Airplanes: Reciprocating engine-powered: En route limitations: All engines operating
Section 121.179 Airplanes: Reciprocating engine-powered: En route limitations: One engine inoperative
Section 121.181 Part 25 airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines
Section 121.183 Airplanes: Reciprocating engine-powered: Landing limitations: Destination airport
Section 121.185 Airplanes: Reciprocating engine-powered: Landing limitations: Alternate airport
Section 121.187 Airplanes: Turbine engine powered: Takeoff limitations
Section 121.189 Airplanes: Turbine engine powered: En route limitations: One engine inoperative
Section 121.191 Airplanes: Turbine engine powered: En route limitations: Two engines inoperative
Section 121.193 Airplanes: Turbine engine powered: Landing limitations: Destination airports
Section 121.195 Airplanes: Turbine engine powered: Landing limitations: Alternate airports
Section 121.197 Cargo service airplanes: Increased zero fuel and landing weights
Section 121.198 Nontransport category airplanes: Takeoff limitations
Section 121.199 Nontransport category airplanes: En route limitations: One engine inoperative
Section 121.201 Nontransport category airplanes: Landing limitations: Destination airport
Section 121.203 Nontransport category airplanes: Landing limitations: Alternate airport
Section 121.205 Provisionally certificated airplanes: Operating limitations
Section 121.207 Applicability
Section 121.211 Cabin interiors
Section 121.215 Internal doors
Section 121.217 Ventilation
Section 121.219 Fire precautions
Section 121.221 Proof of compliance with Sec
Section 121.223 Propeller deicing fluid
Section 121.225 Pressure cross-feed arrangements
Section 121.227 Location of fuel tanks
Section 121.229 Fuel system lines and fittings
Section 121.231 Fuel lines and fittings in designated fire zones
Section 121.233 Fuel valves
Section 121.235 Oil lines and fittings in designated fire zones
Section 121.237 Oil valves
Section 121.239 Oil system drains
Section 121.241 Engine breather lines
Section 121.243 Fire walls
Section 121.245 Fire-wall construction
Section 121.247 Cowling
Section 121.249 Engine accessory section diaphragm
Section 121.251 Powerplant fire protection
Section 121.253 Flammable fluids
Section 121.255 Shutoff means
Section 121.257 Lines and fittings
Section 121.259 Vent and drain lines
Section 121.261 Fire-extinguishing systems
Section 121.263 Fire-extinguishing agents
Section 121.265 Extinguishing agent container pressure relief
Section 121.267 Extinguishing agent container compartment temperature
Section 121.269 Fire-extinguishing system materials
Section 121.271 Fire-detector systems
Section 121.273 Fire detectors
Section 121.275 Protection of other airplane components against fire
Section 121.277 Control of engine rotation
Section 121.279 Fuel system independence
Section 121.281 Induction system ice prevention
Section 121.283 Carriage of cargo in passenger compartments
Section 121.285 Carriage of cargo in cargo compartments
Section 121.287 Landing gear: Aural warning device
Section 121.289 Demonstration of emergency evacuation procedures
Section 121.291 Special airworthiness requirements for nontransport category airplanes type certificated after December 31, 1964
Section 121.293 Location for a suspect device
Section 121.295 Applicability
Section 121.301 Airplane instruments and equipment
Section 121.303 Flight and navigational equipment
Section 121.305 Portable electronic devices
Section 121.306 Engine instruments
Section 121.307 Lavatory fire protection
Section 121.308 Emergency equipment
Section 121.309 Additional emergency equipment
Section 121.310 Seats, safety belts, and shoulder harnesses
Section 121.311 Materials for compartment interiors
Section 121.312 Miscellaneous equipment
Section 121.313 Cargo and baggage compartments
Section 121.314 Cockpit check procedure
Section 121.315 Fuel tanks
Section 121.316 Passenger information requirements, smoking prohibitions, and additional seat belt requirements
Section 121.317 Public address system
Section 121.318 Crewmember interphone system
Section 121.319 Operations in icing
Section 121.321 Instruments and equipment for operations at night
Section 121.323 Instruments and equipment for operations under IFR or over-the-top
Section 121.325 Supplemental oxygen: Reciprocating engine powered airplanes
Section 121.327 Supplemental oxygen for sustenance: Turbine engine powered airplanes
Section 121.329 Supplemental oxygen requirements for pressurized cabin airplanes: Reciprocating engine powered airplanes
Section 121.331 Supplemental oxygen for emergency descent and for first aid; turbine engine powered airplanes with pressurized cabins
Section 121.333 Equipment standards
Section 121.335 Protective breathing equipment
Section 121.337 Emergency equipment for extended over-water operations
Section 121.339 Emergency flotation means
Section 121.340 Equipment for operations in icing conditions
Section 121.341 Pitot heat indication systems
Section 121.342 Flight data recorders
Section 121.343 Digital flight data recorders for transport category airplanes
Section 121.344 Radio equipment
Section 121.345 Flight data recorders: filtered data
Section 121.346 Communication and navigation equipment for operations under VFR over routes navigated by pilotage
Section 121.347 Communication and navigation equipment for operations under VFR over routes not navigated by pilotage or for operations
Section 121.349 Communication and navigation equipment for extended over-water operations and for certain other operations
Section 121.351 Emergency equipment for operations over uninhabited terrain areas: Flag, supplemental, and certain domestic operations
Section 121.353 Terrain awareness and warning system
Section 121.354 Equipment for operations on which specialized means of navigation are used
Section 121.355 Collision avoidance system
Section 121.356 Airborne weather radar equipment requirements
Section 121.357 Low-altitude windshear system equipment requirements
Section 121.358 Cockpit voice recorders
Section 121.359 Applicability
Section 121.361 Responsibility for airworthiness
Section 121.363 Maintenance, preventive maintenance, and alteration organization
Section 121.365 Maintenance, preventive maintenance, and alterations programs
Section 121.367 Manual requirements
Section 121.369 Required inspection personnel
Section 121.371 Continuing analysis and surveillance
Section 121.373 Continuous airworthiness maintenance program (CAMP) for two-engine ETOPS
Section 121.374 Maintenance and preventive maintenance training program
Section 121.375 Maintenance and preventive maintenance personnel duty time limitations
Section 121.377 Certificate requirements
Section 121.378 Authority to perform and approve maintenance, preventive maintenance, and alterations
Section 121.379 Maintenance recording requirements
Section 121.380 Applicability
Section 121.381 Airman: Limitations on use of services
Section 121.383 Composition of flight crew
Section 121.385 Flight engineer
Section 121.387 Flight navigator and specialized navigation equipment
Section 121.389 Flight attendants
Section 121.391 Personnel identified as flight attendants
Section 121.392 Crewmember requirements at stops where passengers remain on board
Section 121.393 Flight attendant requirements during passenger boarding and deplaning
Section 121.394 Aircraft dispatcher: Domestic and flag operations
Section 121.395 Emergency and emergency evacuation duties
Section 121.397 Applicability and terms used
Section 121.400 Training program: General
Section 121.401 Training program: Special rules
Section 121.402 Training program: Curriculum
Section 121.403 Compliance dates: Crew and dispatcher resource management training
Section 121.404 Training program and revision: Initial and final approval
Section 121.405 Credit for previous CRM/DRM training
Section 121.406 Training program: Approval of airplane simulators and other training devices
Section 121.407 Training equipment other than flight simulation training devices
Section 121.408 Training courses using airplane simulators and other training devices
Section 121.409 Airline transport pilot certification training program
Section 121.410 Qualifications: Check airmen (airplane) and check airmen (simulator)
Section 121.411 Qualifications: Flight instructors (airplane) and flight instructors (simulator)
Section 121.412 Initial, transition and recurrent training and checking requirements: Check airmen (airplane), check airmen (simulator)
Section 121.413 Initial, transition and recurrent training and checking requirements: flight instructors (airplane), flight instructors
Section 121.414 Crewmember and dispatcher training program requirements
Section 121.415 Crewmember emergency training
Section 121.417 Differences training and related aircraft differences training
Section 121.418 Pilots and flight engineers: Initial, transition, and upgrade ground training
Section 121.419 Flight attendants: Initial and transition ground training
Section 121.421 Aircraft dispatchers: Initial and transition ground training
Section 121.422 Pilot: Extended Envelope Training
Section 121.423 Pilots: Initial, transition, and upgrade flight training
Section 121.424 Flight engineers: Initial and transition flight training
Section 121.425 Recurrent training
Section 121.427 Applicability
Section 121.431 General
Section 121.432 Training required
Section 121.433 Operating experience, operating cycles, and consolidation of knowledge and skills
Section 121.434 Pilot Qualification: Certificates and experience requirements
Section 121.436 Pilot operating limitations and pairing requirements
Section 121.438 Pilot qualification: Recent experience
Section 121.439 Line checks
Section 121.440 Proficiency checks
Section 121.441 Pilot in command qualification: Route and airports
Section 121.443 Pilot in command airport qualification: Special areas and airports
Section 121.445 Flight engineer qualifications
Section 121.453 Applicability
Section 121.461 Aircraft dispatcher qualifications
Section 121.463 Aircraft dispatcher duty time limitations: Domestic and flag operations
Section 121.465 Flight attendant duty period limitations and rest requirements: Domestic, flag, and supplemental operations
Section 121.467 Applicability
Section 121.470 Flight time limitations and rest requirements: All flight crewmembers
Section 121.471 Fatigue risk management system
Section 121.473 Applicability
Section 121.480 Flight time limitations: One or two pilot crews
Section 121.481 Flight time limitations: Two pilots and one additional flight crewmember
Section 121.483 Flight time limitations: Three or more pilots and an additional flight crewmember
Section 121.485 Flight time limitations: Pilots not regularly assigned
Section 121.487 Flight time limitations: Other commercial flying
Section 121.489 Flight time limitations: Deadhead transportation
Section 121.491 Flight time limitations: Flight engineers and flight navigators
Section 121.493 Fatigue risk management system
Section 121.495 Applicability
Section 121.500 Flight time limitations: Pilots: airplanes
Section 121.503 Flight time limitations: Two pilot crews: airplanes
Section 121.505 Flight time limitations: Three pilot crews: airplanes
Section 121.507 Flight time limitations: Four pilot crews: airplanes
Section 121.509 Flight time limitations: Flight engineers: airplanes
Section 121.511 Flight time limitations: Overseas and international operations: airplanes
Section 121.513 Flight time limitations: All airmen: airplanes
Section 121.515 Flight time limitations: Other commercial flying: airplanes
Section 121.517 Flight time limitations: Deadhead transportation: airplanes
Section 121.519 Flight time limitations: Crew of two pilots and one additional airman as required
Section 121.521 Flight time limitations: Crew of three or more pilots and additional airmen as required
Section 121.523 Flight time limitations: Pilots serving in more than one kind of flight crew
Section 121.525 Fatigue risk management system
Section 121.527 Applicability
Section 121.531 Responsibility for operational control: Domestic operations
Section 121.533 Responsibility for operational control: Flag operations
Section 121.535 Responsibility for operational control: Supplemental operations
Section 121.537 Aircraft security
Section 121.538 Operations notices
Section 121.539 Operations schedules: Domestic and flag operations
Section 121.541 Flight crewmember duties
Section 121.542 Flight crewmembers at controls
Section 121.543 Pilot monitoring
Section 121.544 Manipulation of controls
Section 121.545 Admission to flight deck
Section 121.547 Aviation safety inspector's credentials: Admission to pilot's compartment
Section 121.548 Flying equipment
Section 121.549 Secret Service Agents: Admission to flight deck
Section 121.550 Restriction or suspension of operation: Domestic and flag operations
Section 121.551 Restriction or suspension of operation: Supplemental operations
Section 121.553 Compliance with approved routes and limitations: Domestic and flag operations
Section 121.555 Emergencies: Domestic and flag operations
Section 121.557 Emergencies: Supplemental operations
Section 121.559 Reporting potentially hazardous meteorological conditions and irregularities of ground facilities or navigation aids
Section 121.561 Reporting mechanical irregularities
Section 121.563 Engine inoperative: Landing; reporting
Section 121.565 Instrument approach procedures and IFR landing minimums
Section 121.567 Equipment interchange: Domestic and flag operations
Section 121.569 Airplane evacuation capability
Section 121.570 Briefing passengers before takeoff
Section 121.571 Briefing passengers: Extended overwater operations
Section 121.573 Oxygen for medical use by passengers
Section 121.574 Alcoholic beverages
Section 121.575 Retention of items of mass in passenger and crew compartments
Section 121.576 Stowage of food, beverage, and passenger service equipment during airplane movement on the surface, takeoff,
Section 121.577 Cabin ozone concentration
Section 121.578 Minimum altitudes for use of autopilot
Section 121.579 Prohibition on interference with crewmembers
Section 121.580 Observer's seat: En route inspections
Section 121.581 Means to discreetly notify a flightcrew
Section 121.582 Carriage of persons without compliance with the passenger-carrying requirements of this part
Section 121.583 Requirement to view the area outside the flightdeck door
Section 121.584 Exit seating
Section 121.585 Authority to refuse transportation
Section 121.586 Closing and locking of flightcrew compartment door
Section 121.587 Carry-on baggage
Section 121.589 Use of certificated land airports in the United States
Section 121.590 Applicability
Section 121.591 Dispatching authority: Domestic operations
Section 121.593 Dispatching authority: Flag operations
Section 121.595 Flight release authority: Supplemental operations
Section 121.597 Familiarity with weather conditions
Section 121.599 Aircraft dispatcher information to pilot in command: Domestic and flag operations
Section 121.601 Facilities and services: Supplemental operations
Section 121.603 Airplane equipment
Section 121.605 Communication and navigation facilities: Domestic and flag operations
Section 121.607 Communication and navigation facilities: Supplemental operations
Section 121.609 Dispatch or flight release under VFR
Section 121.611 Dispatch or flight release under IFR or over the top
Section 121.613 Dispatch or flight release over water: Flag and supplemental operations
Section 121.615 Alternate airport for departure
Section 121.617 Alternate airport for destination: IFR or over-the-top: Domestic operations
Section 121.619 Alternate airport for destination: Flag operations
Section 121.621 Alternate airport for destination: IFR or over-the-top: Supplemental operations
Section 121.623 ETOPS Alternate Airports
Section 121.624 Alternate Airport weather minima
Section 121.625 Continuing flight in unsafe conditions
Section 121.627 Inoperable instruments and equipment
Section 121.628 Operation in icing conditions
Section 121.629 Original dispatch or flight release, redispatch or amendment of dispatch or flight release
Section 121.631 Considering time-limited systems in planning ETOPS alternates
Section 121.633 Dispatch to and from refueling or provisional airports: Domestic and flag operations
Section 121.635 Takeoffs from unlisted and alternate airports: Domestic and flag operations
Section 121.637 Fuel supply: All domestic operations
Section 121.639 Fuel supply: Nonturbine and turbo-propeller-powered airplanes: Flag operations
Section 121.641 Fuel supply: Nonturbine and turbo-propeller-powered airplanes: Supplemental operations
Section 121.643 Fuel supply: Turbine-engine powered airplanes,
Section 121.645 En-route fuel supply: flag and supplemental operations
Section 121.646 Factors for computing fuel required
Section 121.647 Takeoff and landing weather minimums: VFR: Domestic operations
Section 121.649 Takeoff and landing weather minimums: IFR: All certificate holders
Section 121.651 Landing weather minimums: IFR: All certificate holders
Section 121.652 Applicability of reported weather minimums
Section 121.655 Flight altitude rules
Section 121.657 Initial approach altitude: Domestic and supplemental operations
Section 121.659 Initial approach altitude: Flag operations
Section 121.661 Responsibility for dispatch release: Domestic and flag operations
Section 121.663 Load manifest
Section 121.665 Flight plan: VFR and IFR: Supplemental operations
Section 121.667 Applicability
Section 121.681 Crewmember and dispatcher record
Section 121.683 Aircraft record: Domestic and flag operations
Section 121.685 Dispatch release: Flag and domestic operations
Section 121.687 Flight release form: Supplemental operations
Section 121.689 Load manifest: All certificate holders
Section 121.693 Disposition of load manifest, dispatch release, and flight plans: Domestic and flag operations
Section 121.695 Disposition of load manifest, flight release, and flight plans: Supplemental operations
Section 121.697 Maintenance log: Aircraft
Section 121.701 Service difficulty reports
Section 121.703 Mechanical interruption summary report
Section 121.705 Alteration and repair reports
Section 121.707 Airworthiness release or aircraft log entry
Section 121.709 Communication records: Domestic and flag operations
Section 121.711 Retention of contracts and amendments: Commercial operators who conduct intrastate operations for compensation or hire
Section 121.713 Applicability
Section 121.721 Surrender of international crewmember certificate
Section 121.723 Applicability
Section 121.801 Emergency medical equipment
Section 121.803 Crewmember training for in-flight medical events
Section 121.805 Purpose and eligibility
Section 121.901 General requirements for Advanced Qualification Programs
Section 121.903 Confidential commercial information
Section 121.905 Definitions
Section 121.907 Approval of Advanced Qualification Program
Section 121.909 Indoctrination curriculum
Section 121.911 Qualification curriculum
Section 121.913 Continuing qualification curriculum
Section 121.915 Other requirements
Section 121.917 Certification
Section 121.919 Training devices and simulators
Section 121.921 Approval of training, qualification, or evaluation by a person who provides training by arrangement
Section 121.923 Recordkeeping requirements
Section 121.925 Applicability and definitions
Section 121.1001 Hazardous materials training: General
Section 121.1003 Hazardous materials training required
Section 121.1005 Hazardous materials training records
Section 121.1007 Purpose and definition
Section 121.1101 Aging airplane inspections and records reviews
Section 121.1105 Repairs assessment for pressurized fuselages
Section 121.1107 Supplemental inspections
Section 121.1109 Electrical wiring interconnection systems (EWIS) maintenance program
Section 121.1111 Fuel tank system maintenance program
Section 121.1113 Limit of validity
Section 121.1115 Flammability reduction means
Section 121.1117 SFAR No
Section 121.1500 Applicability