14 CFR 25.581 - Lightning protection.

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§ 25.581 Lightning protection.
(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.
[Amdt. 25-23, 35 FR 5674, Apr. 8, 1970]

Title 14 published on 2014-01-01

The following are only the Rules published in the Federal Register after the published date of Title 14.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-03-11; vol. 79 # 47 - Tuesday, March 11, 2014
    1. 79 FR 13515 - Requirements for Chemical Oxygen Generators Installed on Transport Category Airplanes
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final rule.
      This action becomes effective May 12, 2014.
      14 CFR Part 25

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United States Code

Title 14 published on 2014-01-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 14 CFR 25 after this date.

  • 2014-03-11; vol. 79 # 47 - Tuesday, March 11, 2014
    1. 79 FR 13515 - Requirements for Chemical Oxygen Generators Installed on Transport Category Airplanes
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final rule.
      This action becomes effective May 12, 2014.
      14 CFR Part 25