§25.1181 Designated fire zones: regions included.

(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 Sec. 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 Secs. 25.863, 25.865, 25.867, 25.869, and 25.1185 through 25.1203.]