Part 21 — Certification Procedures for Products and Articles
- Subpt. A General §§21.1 to 21.9
- Subpt. B Type Certificates §§21.11 to 21.55
- Subpt. C Provisional Type Certificates §§21.71 to 21.85
- Subpt. D Changes to Type Certificates §§21.91 to 21.101
- Subpt. E Supplemental Type Certificates §§21.111 to 21.120
- Subpt. F Production Under Type Certificate §§21.121 to 21.130
- Subpt. G Production Certificates §§21.131 to 21.150
- Subpt. H Airworthiness Certificates §§21.171 to 21.199
- Subpt. I Provisional Airworthiness Certificates §§21.211 to 21.225
- Subpt. J Subpart J [Reserved]
- Subpt. K Parts Manufacturer Approvals §§21.301 to 21.320
- Subpt. L Export Airworthiness Approvals §§21.321 to 21.335
- Subpt. M Subpart M [Reserved]
- Subpt. N Acceptance of Aircraft Engines, Propellers, and Articles for Import §§21.500 to 21.502
- Subpt. O Technical Standard Order Approvals §§21.601 to 21.621
- Subpt. P Special Federal Aviation Regulations §21.700