Subchapter C - AIRCRAFT
- Part 21 - CERTIFICATION PROCEDURES FOR PRODUCTS AND ARTICLES (§§ 21.1 — 21)
- Part 23 - AIRWORTHINESS STANDARDS: NORMAL CATEGORY AIRPLANES (§§ 23.2000 — 23.1529)
- Part 25 - AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES (§§ 25.1 — 25)
- Part 26 - CONTINUED AIRWORTHINESS AND SAFETY IMPROVEMENTS FOR TRANSPORT CATEGORY AIRPLANES (§§ 26.1 — 26.49)
- Part 27 - AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT (§§ 27.1 — 27)
- Part 29 - AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT (§§ 29.1 — 29)
- Part 31 - AIRWORTHINESS STANDARDS: MANNED FREE BALLOONS (§§ 31.1 — 31)
- Part 33 - AIRWORTHINESS STANDARDS: AIRCRAFT ENGINES (§§ 33.1 — 33)
- Part 34 - FUEL VENTING AND EXHAUST EMISSION REQUIREMENTS FOR TURBINE ENGINE POWERED AIRPLANES (§§ 34.1 — 34.61-34.71)
- Part 35 - AIRWORTHINESS STANDARDS: PROPELLERS (§§ 35.1 — 35)
- Part 36 - NOISE STANDARDS: AIRCRAFT TYPE AND AIRWORTHINESS CERTIFICATION (§§ 36.1 — 36)
- Part 38 - [Effective 4/16/2024] AIRPLANE FUEL EFFICIENCY CERTIFICATION (§§ 38.1 — 38)
- Part 39 - AIRWORTHINESS DIRECTIVES (§§ 39.1 — 39.27)
- Part 43 - MAINTENANCE, PREVENTIVE MAINTENANCE, REBUILDING, AND ALTERATION (§ 43)
- Part 45 - IDENTIFICATION AND REGISTRATION MARKING (§§ 45.1 — 45.33)
- Part 47 - AIRCRAFT REGISTRATION (§§ 47.1 — 47.71)
- Part 48 - REGISTRATION AND MARKING REQUIREMENTS FOR SMALL UNMANNED AIRCRAFT (§§ 48.1 — 48.205)
- Part 49 - RECORDING OF AIRCRAFT TITLES AND SECURITY DOCUMENTS (§§ 49.1 — 49.63)