CERTIFICATION PROCEDURES FOR PRODUCTS AND ARTICLES

143 sections 1 appendices 14 subparts Amended: 2026-04-24 View on eCFR ↗

69 Legal Interpretations 237 Special Conditions 507 ELOS findings 7574 TSOAs

Authority

42 U.S.C. 7572; 49 U.S.C. 106(f), 40105, 40113, 44701-44702, 44704, 44707, 44709, 44711, 44713, 44715, 45303.

Source

Docket No. 5085, 29 FR 14564, Oct. 24, 1964, unless otherwise noted.

Subpart A — General

9 sections

Subpart B — Type Certificates

27 sections

Subpart C — Provisional Type Certificates

8 sections

Subpart D — Changes to Type Certificates

6 sections

Subpart E — Supplemental Type Certificates

6 sections

Subpart F — Production Under Type Certificate

8 sections

Subpart G — Production Certificates

16 sections

Subpart H — Airworthiness Certificates

18 sections

Subpart I — Provisional Airworthiness Certificates

8 sections

Subpart K — Parts Manufacturer Approvals

13 sections

Subpart L — Export Airworthiness Approvals

6 sections

Subpart N — Acceptance of Aircraft Engines, Propellers, and Articles for Import

2 sections

Subpart O — Technical Standard Order Approvals

15 sections

Subpart P — Special Federal Aviation Regulations

1 section

Appendices & SFARs

Related Advisory Circulars

ACs whose subject series maps to Part 21. 142 current, 153 cancelled.

+ 245 more on the FAA index

Recent Federal Register activity

The last 25 of 222 Federal Register documents that touch 14 CFR Part 21, newest first.