Code of Federal Regulations · Section
§ 121.247 — Fire-wall Construction
14 C.F.R. § 121.247
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Each fire wall and shroud must—
(a) Be so made that no hazardous quantity of air, fluids, or flame can pass from the engine compartment to other parts of the airplane;
(b) Have all openings in the fire wall or shroud sealed with close-fitting fire-proof grommets, bushings, or firewall fittings;
(c) Be made of fireproof material; and
(d) Be protected against corrosion.
Authorizing Statute
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Prohibition on personal use of electronic devices on flight deck49 U.S.C. § 44732
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General requirements49 U.S.C. § 44701
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Federal Aviation Administration49 U.S.C. § 106