Part 27 - AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
- Subpart A - GENERAL (§§ 27.1 — 27.2)
- Subpart B - FLIGHT (§§ 27.141 — 27.67)
- Subpart C - STRENGTH REQUIREMENTS (§§ 27.391 — 27.521)
- Subpart D - DESIGN AND CONSTRUCTION (§§ 27.671 — 27.663)
- Subpart E - POWERPLANT (§§ 27.1041 — 27.939)
- Subpart F - EQUIPMENT (§§ 27.1351 — 27.1461)
- Subpart G - OPERATING LIMITATIONS AND INFORMATION (§§ 27.1501 — 27.1589)
- Appendix A to Part 27 - Instructions for Continued Airworthiness
- Appendix B to Part 27 - Airworthiness Criteria for Helicopter Instrument Flight
- Appendix C to Part 27 - Criteria for Category A
- Appendix D to Part 27 - HIRF Environments and Equipment HIRF Test Levels