yourstate.us
14 CFR 21.51

§ 21.51 Duration.

United States · 14 CFR — Aeronautics and Space · Status: effective

Get this as JSONEmbed this
Cite this
Citation
14 CFR 21.51, § 21.51 Duration, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/53755
Permanent ID
ys:prov:53755@1
SHA-256
432561fd842b3569bbce90f46b948afa9788f6bb5be89365a9a0fc2da3dc7a49

The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.

Full text

A type certificate is effective until surrendered, suspended, revoked, or a termination date is otherwise established by the FAA.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.