CFR
- Title 1 - General Provisions
- Title 2 - Grants and Agreements
- Title 3 - The President
- Title 4 - Accounts
- Title 5 - Administrative Personnel
- Title 6 - Domestic Security
- Title 7 - Agriculture
- Title 8 - Aliens and Nationality
- Title 9 - Animals and Animal Products
- Title 10 - Energy
- Title 11 - Federal Elections
- Title 12 - Banks and Banking
- Title 13 - Business Credit and Assistance
- Title 14 - Aeronautics and Space
- Title 15 - Commerce and Foreign Trade
- Title 16 - Commercial Practices
- Title 17 - Commodity and Securities Exchanges
- Title 18 - Conservation of Power and Water Resources
- Title 19 - Customs Duties
- Title 20 - Employees' Benefits
- Title 21 - Food and Drugs
- Title 22 - Foreign Relations
- Title 23 - Highways
- Title 24 - Housing and Urban Development
- Title 25 - Indians
- Title 26 - Internal Revenue
- Title 27 - Alcohol, Tobacco Products and Firearms
- Title 28 - Judicial Administration
- Title 29 - Labor
- Title 30 - Mineral Resources
- Title 31 - Money and Finance: Treasury
- Title 32 - National Defense
- Title 33 - Navigation and Navigable Waters
- Title 34 - Education
- Title 35 - Panama Canal
- Title 36 - Parks, Forests, and Public Property
- Title 37 - Patents, Trademarks, and Copyrights
- Title 38 - Pensions, Bonuses, and Veterans' Relief
- Title 39 - Postal Service
- Title 40 - Protection of Environment
- Title 41 - Public Contracts and Property Management
- Title 42 - Public Health
- Title 43 - Public Lands: Interior
- Title 44 - Emergency Management and Assistance
- Title 45 - Public Welfare
- Title 46 - Shipping
- Title 47 - Telecommunication
- Title 48 - Federal Acquisition Regulations System
- Title 49 - Transportation
- Title 50 - Wildlife and Fisheries
PART 121—OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS
- SUBPART A—General (§121.1 to §121.15)
- SUBPART E—Approval of Routes: Domestic and Flag Operations (§121.91 to §121.107)
- SUBPART F—Approval of Areas and Routes for Supplemental Operations (§121.111 to §121.127)
- SUBPART G—Manual Requirements (§121.131 to §121.141)
- SUBPART H—Aircraft Requirements (§121.151 to §121.163)
- SUBPART I—Airplane Performance Operating Limitations (§121.171 to §121.207)
- SUBPART J—Special Airworthiness Requirements (§121.211 to §121.295)
- SUBPART K—Instrument and Equipment Requirements (§121.301 to §121.360)
- SUBPART L—Maintenance, Preventive Maintenance, and Alterations (§121.361 to §121.380a)
- SUBPART M—Airman and Crewmember Requirements (§121.381 to §121.397)
- SUBPART N—Training Program (§121.400 to §121.429)
- SUBPART O—Crewmember Qualifications (§121.431 to §121.455-121.459)
- SUBPART P—Aircraft Dispatcher Qualifications and Duty Time (§121.461 to §121.467)
- SUBPART Q—Flight Time Limitations and Rest Requirements: Domestic Operations (§121.470 to §121.471)
- SUBPART R—Flight Time Limitations: Flag Operations (§121.480 to §121.493)
- SUBPART S—Flight Time Limitations: Supplemental Operations (§121.500 to §121.525)
- SUBPART T—Flight Operations (§121.531 to §121.590)
- SUBPART U—Dispatching and Flight Release Rules (§121.591 to §121.667)
- SUBPART V—Records and Reports (§121.681 to §121.713)
- SUBPART W—Crewmember Certificate: International (§121.721 to §121.723)
- SUBPART X—Emergency Medical Equipment and Training (§121.801 to §121.805)
- SUBPART Y—Advanced Qualification Program (§121.901 to §121.925)
- SUBPART Z—Hazardous Materials Training Program (§121.1001 to §121.1007)
- SUBPART AA—Continued Airworthiness and Safety Improvements (§121.1101 to §121.1117)
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