• Part 1 [§ 1.1 - § 1.3] - PART 1—DEFINITIONS AND ABBREVIATIONS

• Part 3 [§ 3.1 - § 3.405] - PART 3—GENERAL REQUIREMENTS

• Part 5 [§ 5.1 - § 5.97] - PART 5—SAFETY MANAGEMENT SYSTEMS

• Part 11 [§ 11.1 - § 11.201] - PART 11—GENERAL RULEMAKING PROCEDURES

• Part 13 [§ 13.1 - § 13.401] - PART 13—INVESTIGATIVE AND ENFORCEMENT PROCEDURES

• Part 14 [§ 14.01 - § 14.30] - PART 14—RULES IMPLEMENTING THE EQUAL ACCESS TO JUSTICE ACT OF 1980

• Part 15 [§ 15.1 - § 15.115] - PART 15—ADMINISTRATIVE CLAIMS UNDER FEDERAL TORT CLAIMS ACT

• Part 16 [§ 16.1 - § 16.305] - PART 16—RULES OF PRACTICE FOR FEDERALLY-ASSISTED AIRPORT ENFORCEMENT PROCEEDINGS

• Part 17 [§ 17.1 - § 17.61] - PART 17—PROCEDURES FOR PROTESTS AND CONTRACT DISPUTES

• Part 21 [§ 21.1 - § 21.700] - PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND ARTICLES

• Part 22 - PART 22—XXX

• Part 23 [§ 23.1457 - § 23.2620] - PART 23—AIRWORTHINESS STANDARDS: NORMAL CATEGORY AIRPLANES

• Part 25 [§ 25.1 - § 25.1801] - PART 25—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES

• Part 26 [§ 26.1 - § 26.49] - PART 26—CONTINUED AIRWORTHINESS AND SAFETY IMPROVEMENTS FOR TRANSPORT CATEGORY AIRPLANES

• Part 27 [§ 27.1 - § 27.1589] - PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT

• Part 29 [§ 29.1 - § 29.1589] - PART 29—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT

• Part 31 [§ 31.1 - § 31.85] - PART 31—AIRWORTHINESS STANDARDS: MANNED FREE BALLOONS

• Part 33 [§ 33.1 - § 33.201] - PART 33—AIRWORTHINESS STANDARDS: AIRCRAFT ENGINES

• Part 34 [§ 34.1 - § 34.73] - PART 34—FUEL VENTING AND EXHAUST EMISSION REQUIREMENTS FOR TURBINE ENGINE POWERED AIRPLANES

• Part 35 [§ 35.1 - § 35.47] - PART 35—AIRWORTHINESS STANDARDS: PROPELLERS

• Part 36 [§ 36.0 - § 36.1583] - PART 36—NOISE STANDARDS: AIRCRAFT TYPE AND AIRWORTHINESS CERTIFICATION

• Part 38 [§ 38.1 - § 38.23] - PART 38—AIRPLANE FUEL EFFICIENCY CERTIFICATION

• Part 39 [§ 39.1 - § 39.27] - PART 39—AIRWORTHINESS DIRECTIVES

• Part 43 [§ 43.1 - § 43.17] - PART 43—MAINTENANCE, PREVENTIVE MAINTENANCE, REBUILDING, AND ALTERATION

• Part 45 [§ 45.1 - § 45.33] - PART 45—IDENTIFICATION AND REGISTRATION MARKING

• Part 47 [§ 47.1 - § 47.71] - PART 47—AIRCRAFT REGISTRATION

• Part 48 [§ 48.1 - § 48.205] - PART 48—REGISTRATION AND MARKING REQUIREMENTS FOR SMALL UNMANNED AIRCRAFT

• Part 49 [§ 49.1 - § 49.63] - PART 49—RECORDING OF AIRCRAFT TITLES AND SECURITY DOCUMENTS

• Part 50-59 - PARTS 50-59 [RESERVED]