14 CFR 31.21
§ 31.21 Loads.
United States · 14 CFR — Aeronautics and Space · Status: effective
Cite this
- Citation
- 14 CFR 31.21, § 31.21 Loads, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/55007
- Permanent ID
ys:prov:55007@1- SHA-256
a9183e1c9c1e239c740af6b069e53fa8cba26d7e00808489aa49c670feee9af1
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
Strength requirements are specified in terms of limit loads, that are the maximum load to be expected in service, and ultimate loads, that are limit loads multiplied by prescribed factors of safety. Unless otherwise specified, all prescribed loads are limit loads.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.