14 CFR 29.659

§ 29.659 Mass balance.

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

Cite this

Citation: 14 CFR 29.659, § 29.659 Mass balance, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/54779
Permanent ID: ys:prov:54779@1
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Full text

(a) The rotor and blades must be mass balanced as necessary to— (1) Prevent excessive vibration; and (2) Prevent flutter at any speed up to the maximum forward speed. (b) The structural integrity of the mass balance installation must be substantiated.

Legislative history

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