14 CFR 25.581

§ 25.581 Lightning protection.

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

Cite this

Citation: 14 CFR 25.581, § 25.581 Lightning protection, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/54077
Permanent ID: ys:prov:54077@1
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Full text

(a) The airplane must be protected against catastrophic effects from lightning. (b) For metallic components, compliance with paragraph (a) of this section may be shown by— (1) Bonding the components properly to the airframe; or (2) Designing the components so that a strike will not endanger the airplane. (c) For nonmetallic components, compliance with paragraph (a) of this section may be shown by— (1) Designing the components to minimize the effect of a strike; or (2) Incorporating acceptable means of diverting the resulting electrical current so as not to endanger the airplane.

Legislative history

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