14 CFR §25.1181
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
- (a)Designated fire zones are—
- (1)The engine power section;
- (2)The engine accessory section;
- (3)Except for reciprocating engines, any complete powerplant compartment in which no isolation is provided between the engine power section and the engine accessory section;
- (4)Any auxiliary power unit compartment;
- (5)Any fuel-burning heater and other combustion equipment installation described in § 25.859;
- (6)The compressor and accessory sections of turbine engines; and
- (7)Combustor, turbine, and tailpipe sections of turbine engine installations that contain lines or components carrying flammable fluids or gases.
- (b)Each designated fire zone must meet the requirements of §§ 25.863, 25.865, 25.867, 25.869, and 25.1185 through 25.1203.