Current CFR by Part
 
 

SectionTitleAmdtEff Date
Show details for Part 1 - DEFINITIONS AND ABBREVIATIONSPart 1 - DEFINITIONS AND ABBREVIATIONS
Show details for Part 3 - GENERAL REQUIREMENTSPart 3 - GENERAL REQUIREMENTS
Show details for Part 11 - GENERAL RULEMAKING PROCEDURESPart 11 - GENERAL RULEMAKING PROCEDURES
Show details for Part 13 - INVESTIGATIVE AND ENFORCEMENT PROCEDURESPart 13 - INVESTIGATIVE AND ENFORCEMENT PROCEDURES
Show details for Part 14 - RULES IMPLEMENTING THE EQUAL ACCESS TO JUSTICE ACT OF 1980Part 14 - RULES IMPLEMENTING THE EQUAL ACCESS TO JUSTICE ACT OF 1980
Show details for Part 15 - ADMINISTRATIVE CLAIMS UNDER FEDERAL TORT CLAIMS ACTPart 15 - ADMINISTRATIVE CLAIMS UNDER FEDERAL TORT CLAIMS ACT
Show details for Part 16 - RULES OF PRACTICE FOR FEDERALLY-ASSISTED AIRPORT ENFORCEMENT PROCEEDINGSPart 16 - RULES OF PRACTICE FOR FEDERALLY-ASSISTED AIRPORT ENFORCEMENT PROCEEDINGS
Show details for Part 17 - PROCEDURES FOR PROTESTS AND CONTRACTS DISPUTESPart 17 - PROCEDURES FOR PROTESTS AND CONTRACTS DISPUTES
Show details for Part 21 - CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTSPart 21 - CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS
Show details for Part 23 - AIRWORTHINESS STANDARDS: NORMAL, UTILITY, ACROBATIC, AND COMMUTER CATEGORY AIRPLANESPart 23 - AIRWORTHINESS STANDARDS: NORMAL, UTILITY, ACROBATIC, AND COMMUTER CATEGORY AIRPLANES
Show details for Part 25 - AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANESPart 25 - AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES
Show details for Part 26 - CONTINUED AIRWORTHINESS AND SAFETY IMPROVEMENTS FOR TRANSPORT CATEGORY AIRPLANESPart 26 - CONTINUED AIRWORTHINESS AND SAFETY IMPROVEMENTS FOR TRANSPORT CATEGORY AIRPLANES
Show details for Part 27 - AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFTPart 27 - AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
Show details for Part 29 - AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFTPart 29 - AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT
Show details for Part 31 - AIRWORTHINESS STANDARDS: MANNED FREE BALLOONSPart 31 - AIRWORTHINESS STANDARDS: MANNED FREE BALLOONS
Show details for Part 33 - AIRWORTHINESS STANDARDS: AIRCRAFT ENGINESPart 33 - AIRWORTHINESS STANDARDS: AIRCRAFT ENGINES
Show details for Part 34 - FUEL VENTING AND EXHAUST EMISSION REQUIREMENTS FOR TURBINE ENGINE POWERED AIRPLANESPart 34 - FUEL VENTING AND EXHAUST EMISSION REQUIREMENTS FOR TURBINE ENGINE POWERED AIRPLANES
Show details for Part 35 - AIRWORTHINESS STANDARDS: PROPELLERSPart 35 - AIRWORTHINESS STANDARDS: PROPELLERS
Show details for Part 36 - NOISE STANDARDS: AIRCRAFT TYPE AND AIRWORTHINESS CERTIFICATIONPart 36 - NOISE STANDARDS: AIRCRAFT TYPE AND AIRWORTHINESS CERTIFICATION
Show details for Part 39 - AIRWORTHINESS DIRECTIVESPart 39 - AIRWORTHINESS DIRECTIVES
Show details for Part 43 - MAINTENANCE, PREVENTIVE MAINTENANCE, REBUILDING, AND ALTERATIONPart 43 - MAINTENANCE, PREVENTIVE MAINTENANCE, REBUILDING, AND ALTERATION
Show details for Part 45 - IDENTIFICATION AND REGISTRATION MARKINGPart 45 - IDENTIFICATION AND REGISTRATION MARKING
Show details for Part 47 - AIRCRAFT REGISTRATIONPart 47 - AIRCRAFT REGISTRATION
Show details for Part 49 - RECORDING OF AIRCRAFT TITLES AND SECURITY DOCUMENTSPart 49 - RECORDING OF AIRCRAFT TITLES AND SECURITY DOCUMENTS
Show details for Part 60 - Flight Simulation Training Device Initial and Continuing Qualification and UsePart 60 - Flight Simulation Training Device Initial and Continuing Qualification and Use
Show details for Part 61 - CERTIFICATION: PILOTS, FLIGHT INSTRUCTORS, AND GROUND INSTRUCTORSPart 61 - CERTIFICATION: PILOTS, FLIGHT INSTRUCTORS, AND GROUND INSTRUCTORS
Show details for Part 63 - CERTIFICATION: FLIGHT CREWMEMBERS OTHER THAN PILOTSPart 63 - CERTIFICATION: FLIGHT CREWMEMBERS OTHER THAN PILOTS
Show details for Part 65 - CERTIFICATION: AIRMEN OTHER THAN FLIGHT CREWMEMBERSPart 65 - CERTIFICATION: AIRMEN OTHER THAN FLIGHT CREWMEMBERS
Show details for Part 67 - MEDICAL STANDARDS AND CERTIFICATION Part 67 - MEDICAL STANDARDS AND CERTIFICATION
Show details for Part 71 - DESIGNATION OF CLASS A, B, C, D, AND E AIRSPACE AREAS; AIR TRAFFIC SERVICE ROUTES; AND REPORTING POPart 71 - DESIGNATION OF CLASS A, B, C, D, AND E AIRSPACE AREAS; AIR TRAFFIC SERVICE ROUTES; AND REPORTING POINTS
Show details for Part 73 - SPECIAL USE AIRSPACEPart 73 - SPECIAL USE AIRSPACE
Show details for Part 77 - OBJECTS AFFECTING NAVIGABLE AIRSPACEPart 77 - OBJECTS AFFECTING NAVIGABLE AIRSPACE
Show details for Part 91 - GENERAL OPERATING AND FLIGHT RULESPart 91 - GENERAL OPERATING AND FLIGHT RULES
Show details for Part 93 - SPECIAL AIR TRAFFIC RULESPart 93 - SPECIAL AIR TRAFFIC RULES
Show details for Part 95 - IFR ALTITUDESPart 95 - IFR ALTITUDES
Show details for Part 97 - STANDARD INSTRUMENT APPROACH PROCEDURESPart 97 - STANDARD INSTRUMENT APPROACH PROCEDURES
Show details for Part 99 - SECURITY CONTROL OF AIR TRAFFICPart 99 - SECURITY CONTROL OF AIR TRAFFIC
Show details for Part 101 - MOORED BALLOONS, KITES, UNMANNED ROCKETS AND UNMANNED FREE BALLOONSPart 101 - MOORED BALLOONS, KITES, UNMANNED ROCKETS AND UNMANNED FREE BALLOONS
Show details for Part 103 - ULTRALIGHT VEHICLESPart 103 - ULTRALIGHT VEHICLES
Show details for Part 105 - PARACHUTE OPERATIONSPart 105 - PARACHUTE OPERATIONS
Show details for Part 119 - CERTIFICATION: AIR CARRIERS AND COMMERCIAL OPERATORSPart 119 - CERTIFICATION: AIR CARRIERS AND COMMERCIAL OPERATORS
Show details for Part 120 - DRUG AND ALCOHOL TESTING PROGRAMPart 120 - DRUG AND ALCOHOL TESTING PROGRAM
Hide details for Part 121 - OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONSPart 121 - OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS
Sec. 121.1Applicability.121-33612/10/2007
Sec. 121.2Compliance schedule for operators that transition to part 121; certain new
entrant operators.		121-34407/15/2009
Sec. 121.4Applicability of rules to unauthorized operators.121-25101/19/1996
Sec. 121.7Definitions.121-32902/15/2007
Sec. 121.11Rules applicable to operations in a foreign country.121-14306/26/1978
Sec. 121.15Carriage of narcotic drugs, marihuana, and depressant or stimulant drugs or
substances.		121-25101/19/1996
Sec. 121.50[Reserved.]04/01/1965
Sec. 121.60[Reserved.]04/01/1965
Sec. 121.70[Reserved.]04/01/1965
Sec. 121.91Applicability.121-25302/26/1996
Sec. 121.93Route requirements: General.121-25302/26/1996
Sec. 121.95Route width.121-25302/26/1996
Sec. 121.97Airports: Required data.121-32902/15/2007
Sec. 121.99Communication facilities.121-33308/06/2007
Sec. 121.101Weather reporting facilities.121-25302/26/1996
Sec. 121.103En route navigational facilities.121-33308/06/2007
Sec. 121.105Servicing and maintenance facilities.121-25302/26/1996
Sec. 121.106ETOPS Alternate Airport: Rescue and fire fighting service.121-32902/15/2007
Sec. 121.107Dispatch centers.121-25302/26/1996
Sec. 121.111Applicability.121-25302/26/1996
Sec. 121.113Area and route requirements: General.121-25302/26/1996
Sec. 121.115Route width.121-25302/26/1996
Sec. 121.117Airports: Required data.121-25302/26/1996
Sec. 121.119Weather reporting facilities.121-25302/26/1996
Sec. 121.121En route navigational facilities.121-33308/06/2007
Sec. 121.122Communications facilities - supplemental operations.121-32902/15/2007
Sec. 121.123Servicing maintenance facilities.121-25302/26/1996
Sec. 121.125Flight following system.121-25302/26/1996
Sec. 121.127Flight following system; requirements.121-25302/26/1996
Sec. 121.131Applicability.04/01/1965
Sec. 121.133Preparation.121-25101/19/1996
Sec. 121.135[Manual contents.]121-32902/15/2007
Sec. 121.137Distribution and availability.121-26203/12/1997
Sec. 121.139Requirements for manual aboard aircraft: Supplemental operations.121-26203/12/1997
Sec. 121.141Airplane flight manual.121-25101/19/1996
Sec. 121.151Applicability.04/01/1965
Sec. 121.153Aircraft requirements: General.121-16510/16/1980
Sec. 121.155[Reserved.]04/01/1965
Sec. 121.157Aircraft certification and equipment requirements.121-25607/15/1996
Sec. 121.159Single-engine airplanes prohibited.121-25101/19/1996
Sec. 121.161Airplane limitations: Type of route.121-32902/15/2007
Sec. 121.162ETOPS Type Design Approval Basis.121-32902/15/2007
Sec. 121.163Aircraft proving tests.121-25101/19/1996
Sec. 121.171Applicability.121-13202/01/1977
Sec. 121.173General.121-25101/19/1996
Sec. 121.175Airplanes: Reciprocating engine-powered: Weight limitations.121-25101/19/1996
Sec. 121.177Airplanes: Reciprocating engine-powered: Takeoff limitations.121-25101/19/1996
Sec. 121.179Airplanes: Reciprocating engine-powered: En route limitations: All engines
operating.		121-25101/19/1996
Sec. 121.181Airplanes: Reciprocating engine-powered: En route limitations: One engine
inoperative.		121-25101/19/1996
Sec. 121.183Part 25 transport category airplanes with four or more engines: Reciprocating
engine powered: En route limitations: Two engines inoperative.		121-25101/19/1996
Sec. 121.185Airplanes: Reciprocating engine-powered: Landing limitations: Destination
airport.		121-25101/19/1996
Sec. 121.187Airplanes: Reciprocating engine-powered: Landing limitations: Alternate airport.121-25101/19/1996
Sec. 121.189Airplanes: Turbine engine powered: Takeoff limitations.121-26803/20/1998
Sec. 121.191Airplanes: Turbine engine powered: En route limitations: One engine
inoperative.		121-14306/26/1978
Sec. 121.193Airplanes: Turbine engine powered: En route limitations: Two engines
inoperative.		04/01/1965
Sec. 121.195Airplanes: Turbine engine powered: Landing limitations: Destination airports.121-901/15/1966
Sec. 121.197Airplanes: Turbine engine powered: Landing limitations: Alternate airports.121-17910/01/1982
Sec. 121.198Cargo service airplanes: Increased zero fuel and landing weights.04/01/1965
Sec. 121.199Nontransport category airplanes: Takeoff limitations.121-13202/01/1977
Sec. 121.201Nontransport category airplanes: En route limitations: One engine inoperative.04/01/1965
Sec. 121.203Nontransport category airplanes: Landing limitations: Destination airport.04/01/1965
Sec. 121.205Nontransport category airplanes: Landing limitations: Alternate airport.04/01/1965
Sec. 121.207Provisionally certificated airplanes: Operating limitations.121-25302/26/1996
Sec. 121.211Applicability.121-25101/19/1996
Sec. 121.213[Reserved.]121-25101/19/1996
Sec. 121.215Cabin interiors.121-8405/01/1972
Sec. 121.217Internal doors.04/01/1965
Sec. 121.219Ventilation.04/01/1965
Sec. 121.221Fire precautions.04/01/1965
Sec. 121.223Proof of compliance with Sec. 121.221.04/01/1965
Sec. 121.225Propeller deicing fluid.04/01/1965
Sec. 121.227Pressure cross-feed arrangements.04/01/1965
Sec. 121.229Location of fuel tanks.04/01/1965
Sec. 121.231Fuel system lines and fittings.04/01/1965
Sec. 121.233Fuel lines and fittings in designated fire zones.04/01/1965
Sec. 121.235Fuel valves.04/01/1965
Sec. 121.237Oil lines and fittings in designated fire zones.04/01/1965
Sec. 121.239Oil valves.04/01/1965
Sec. 121.241Oil system drains.04/01/1965
Sec. 121.243Engine breather lines.04/01/1965
Sec. 121.245Fire walls.04/01/1965
Sec. 121.247Fire-wall construction.04/01/1965
Sec. 121.249Cowling.04/01/1965
Sec. 121.251Engine accessory section diaphragm.04/01/1965
Sec. 121.253Powerplant fire protection.04/01/1965
Sec. 121.255Flammable fluids.04/01/1965
Sec. 121.257Shutoff means.04/01/1965
Sec. 121.259Lines and fittings.04/01/1965
Sec. 121.261Vent and drain lines.04/01/1965
Sec. 121.263Fire-extinguishing systems.04/01/1965
Sec. 121.265Fire-extinguishing agents.04/01/1965
Sec. 121.267Extinguishing agent container pressure relief.121-33106/04/2007
Sec. 121.269Extinguishing agent container compartment temperature.04/01/1965
Sec. 121.271Fire-extinguishing system materials.04/01/1965
Sec. 121.273Fire-detector systems.04/01/1965
Sec. 121.275Fire detectors.04/01/1965
Sec. 121.277Protection of other airplane components against fire.04/01/1965
Sec. 121.279Control of engine rotation.04/01/1965
Sec. 121.281Fuel system independence.04/01/1965
Sec. 121.283Induction system ice prevention.04/01/1965
Sec. 121.285Carriage of cargo in passenger compartments.121-25101/19/1996
Sec. 121.287Carriage of cargo in cargo compartments.04/01/1965
Sec. 121.289Landing gear: Aural warning device.121-25101/19/1996
Sec. 121.291Demonstration of emergency evacuation procedures.121-30712/17/2004
Sec. 121.293Special airworthiness requirements for nontransport category airplanes type
certificated after December 31, 1964.		121-25101/19/1996
Sec. 121.295Location for a suspect device.121-34111/28/2008
Sec. 121.301Applicability.04/01/1965
Sec. 121.303Airplane instruments and equipment.121-28105/12/2004
Sec. 121.305Flight and navigational equipment.121-26203/12/1997
Sec. 121.306[Portable electronic devices.]121-27001/07/1999
Sec. 121.307Engine instruments.04/01/1965
Sec. 121.308Lavatory fire protection.121-25101/19/1996
Sec. 121.309Emergency equipment.121-28105/12/2004
Sec. 121.310Additional emergency equipment.121-30611/26/2004
Sec. 121.311Seats, safety belts, and shoulder harnesses.121-32608/14/2006
Sec. 121.312Materials for compartment interiors.121-33002/12/2007
Sec. 121.313Miscellaneous equipment.121-33410/15/2007
Sec. 121.314Cargo and baggage compartments.121-26903/19/1998
Sec. 121.315Cockpit check procedure.04/01/1965
Sec. 121.316Fuel tanks.04/01/1965
Sec. 121.317Passenger information [requirements, smoking prohibitions, and additional seat
belt requirements.]		121-27706/04/2000
Sec. 121.318Public address system.121-20911/27/1989
Sec. 121.319Crewmember interphone system.121-25302/26/1996
Sec. 121.321[Reserved.]04/01/1965
Sec. 121.323Instruments and equipment for operations at night.121-28105/12/2004
Sec. 121.325Instruments and equipment for operations under IFR or over-the-top.121-28105/12/2004
Sec. 121.327Supplemental oxygen: Reciprocating engine powered airplanes.04/01/1965
Sec. 121.329Supplemental oxygen for sustenance: Turbine engine powered airplanes.04/01/1965
Sec. 121.331Supplemental oxygen requirements for pressurized cabin airplanes:
Reciprocating engine powered airplanes.
121-13202/01/1977
Sec. 121.333Supplemental oxygen for emergency descent and for first aid; turbine engine
powered airplanes with pressurized cabins.
121-31701/09/2006
Sec. 121.335Equipment standards.04/01/1965
Sec. 121.337Protective breathing equipment.121-26109/25/1996
Sec. 121.339Emergency equipment for extended over-water operations.121-23906/21/1994
Sec. 121.340Emergency flotation means.121-25101/19/1996
Sec. 121.341Equipment for operations in icing conditions.121-25101/19/1996
Sec. 121.342Pitot heat indication systems.121-25101/19/1996
Sec. 121.343[Flight data recorders.]121-33804/07/2008
Sec. 121.344Digital flight data recorders for transport category airplanes.121-34202/02/2009
Sec. 121.344aDigital flight data recorders for 10-19 seat airplanes.121-33804/07/2008
Sec. 121.345Radio equipment.121-19004/06/1987
Sec. 121.347[Communication and navigation equipment for operations under VFR over routes
navigated by pilotage.]
121-33308/06/2007
Sec. 121.349Radio equipment for operations under VFR over routes not navigated by pilotage
or for operations under IFR or over-the-top.		121-33308/06/2007
Sec. 121.351[Communication and navigation equipment for extended over-water operations and
for certain other operations.]		121-33308/06/2007
Sec. 121.353Emergency equipment for operations over uninhabited terrain areas: Flag,
supplemental, and certain domestic operations.		121-25101/19/1996
Sec. 121.354Terrain awareness and warning system.121-27303/29/2001
Sec. 121.355Equipment for operations on which specialized means of navigation are used.121-8904/29/1972
Sec. 121.356[Collision avoidance system.]121-29805/03/2003
Sec. 121.357Airborne weather radar equipment requirements.121-25101/19/1996
Sec. 121.358Low-altitude windshear system equipment requirements.121-21605/09/1990
Sec. 121.359Cockpit voice recorders.121-33804/07/2008
Sec. 121.360Ground proximity warning-glide slope deviation alerting system.121-27303/29/2001
Sec. 121.361Applicability.121-4409/25/1968
Sec. 121.363Responsibility for airworthiness.121-10609/19/1973
Sec. 121.365Maintenance, preventive maintenance, and alteration organization.121-304/01/1965
Sec. 121.367Maintenance, preventive maintenance, and alterations programs.121-10012/20/1972
Sec. 121.368Reserved121-33612/10/2007
Sec. 121.369Manual requirements.121-10609/19/1973