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Code · CFR · Title 14 — Aeronautics and Space · Part 125 — Certification and Operations: Aircraft Having a Seating Capacity of 20 or More Passengers or a Maximum Payload Capacity of 6,000 Pounds or More; and Rules Governing Persons on Board Such Aircraft · § 125.145

§ 125.145. Firewall construction.

60 words·~1 min read·/us/cfr/t14/s§ 125.145·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

Each firewall 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 firewall or shroud sealed with close-fitting fireproof grommets, bushings, or firewall fittings;
(c)Be made of fireproof material; and
(d)Be protected against corrosion.
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