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Federal Aviation Regulations

Sec. 121.253 — Powerplant fire protection.

(a) Designated fire zones must be protected from fire by compliance with §§121.255 through 121.261.

(b) Designated fire zones are—

(1) Engine accessory sections;

(2) Installations where no isolation is provided between the engine and accessory compartment; and

(3) Areas that contain auxiliary power units, fuel-burning heaters, and other combustion equipment.

NEXT: Sec. 121.255 - Flammable fluids.
PREVIOUS: Sec. 121.251 - Engine accessory section diaphragm.

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