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e-CFR data is current as of January 15, 2021 |
Title 14 → Chapter I → Subchapter G → Part 121 → Subpart J → §121.253 |
Title 14: Aeronautics and Space
PART 121—OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS
Subpart J—Special Airworthiness Requirements
§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.