Part 27 — Airworthiness Standards: Normal Category Rotorcraft
- Subpt. A General §§27.1 to 27.2
- Subpt. B Flight §§27.21 to 27.251
- Subpt. C Strength Requirements §§27.301 to 27.573
- Subpt. D Design and Construction §§27.601 to 27.873
- Subpt. E Powerplant §§27.901 to 27.1195
- Subpt. F Equipment §§27.1301 to 27.1461
- Subpt. G Operating Limitations and Information §§27.1501 to 27.1589