Parts, Parts, Parts.
Title 14 - Aeronautics and Space
Chapter I - Federal Aviation Administration, Department of Transportation
Subchapter A - Definitions and General Requirements
Part 1 - Definitions and Abbreviations
Part 5 - Safety Management Systems
Subchapter B - Procedural Rules
Subchapter C - Aircraft
Part 21 - Certification Procedures for Products and Articles
Part 23 - Airworthiness Standards: Normal Category Airplanes
Part 25 - Airworthiness Standards: Transport Category Airplanes
Part 26 - Continued Airworthiness and Safety Improvements for Transport Category Airplanes
Part 27 - Airworthiness Standards: Normal Category Rotorcraft
Part 29 - Airworthiness Standards: Transport Category Rotorcraft
Part 31 - Airworthiness Standards: Manned Free Balloons
Part 33 - Airworthiness Standards: Aircraft Engines
Part 34 - Fuel Venting and Exhaust Emission Requirements for Turbine Engine Powered Airplanes
Part 35 - Airworthiness Standards: Propellers
Part 36 - Noise Standards: Aircraft Type and Airworthiness Certification
Part 39 - Airworthiness Directives
Part 43 - Maintenance, Preventive Maintenance, Rebuilding, and Alteration
Part 45 - Identification and Registration Marking
Subpart B - Marking of Products and Articles
Subpart C - Nationality and Registration Marks
Part 47 - Aircraft Registration
Subpart B - Certificates of Aircraft Registration
Subpart C - Dealers' Aircraft Registration Certificate
Part 48 - Registration and Marking Requirements for Small Unmanned Aircraft
Part 49 - Recording of Aircraft Titles and Security Documents
Parts 50–59 [Reserved]
Subchapter D - Airmen
Part 60 - Flight Simulation Training Device Initial and Continuing Qualification and Use
Part 61 - Certification: Pilots, Flight Instructors, and Ground Instructors
Part 63 - Certification: Flight Crewmembers Other Than Pilots
Part 65 - Certification: Airmen Other Than Flight Crewmembers
Part 67 - Medical Standards and Certification
Part 68 - Requirements for Operating Certain Small Aircraft Without a Medical Certificate
Subchapter E - Airspace
Part 71 - Designation of Class A, B, C, D, and E Airspace Areas; Air Traffic Service Routes; and Reporting Points
Part 73 - Special Use Airspace
Part 75 [Reserved]
Part 77 - Safe, Efficient Use, and Preservation of the Navigable Airspace
Subchapter F - Air Traffic and General Operating Rules
Part 89 - Remote Identification of Unmanned Aircraft
Part 91 - General Operating and Flight Rules
Part 93 - Special Air Traffic Rules
Part 97 - Standard Instrument Procedures
Part 99 - Security Control of Air Traffic
Part 101 - Moored Balloons, Kites, Amateur Rockets, and Unmanned Free Balloons
Part 103 - Ultralight Vehicles
Part 105 - Parachute Operations
Part 106 [Reserved]
Part 107 - Small Unmanned Aircraft Systems
Subpart C - Remote Pilot Certification
Subpart D - Operations Over Human Beings
Parts 108–109 [Reserved]
Subchapter G Air Carriers and Operators for Compensation or Hire: Certification and Operations
Part 110 General Requirements
Part 111 Pilot Records Database
Subpart A General
Subpart B Access to and Evaluation of Records
Subpart C Reporting of Records by Air Carriers and Operators
Subpart D Pilot Access and Responsibilities
Parts 112-116 [Reserved]
Part 117 Flight and Duty Limitations and Rest Requirements: Flightcrew Members
Part 118 [Reserved]
Part 119 Certification: Air Carriers and Commercial Operators
Part 120 Drug and Alcohol Testing Program
Part 121 Operating Requirements: Domestic, Flag, and Supplemental Operations
Part 125 Certification and Operations: Aircraft Having a Seating Capacity of 20 or More Passengers or a Maximum Payload Capacity of 6,000 Pounds or More; and Rules Governing Persons on Board Such Aircraft
Part 129 Operations: Foreign Air Carriers and Foreign Operators of U.S.-Registered Aircraft Engaged in Common Carriage
Part 133 Rotorcraft External-Load Operations
Part 135 Operating Requirements: Commuter and on Demand Operations and Rules Governing Persons on Board Such Aircraft
Part 136 Commercial Air Tours and National Parks Air Tour Management
Part 137 Agricultural Aircraft Operations
Part 139 Certification of Airports