Text in force at CS25-28: from CS25-0, effective 17 Oct 2003.
(See AMC 25.1181.)
(a) Designated fire zones are –
(1) The engine power section;
(2) The engine accessory section;
(3) Any complete powerplant compartment in which no isolation is provided between the engine power section and the engine accessory section;
(4) Reserved.
(5) Any fuel-burning heater and other combustion equipment installation described in CS 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 CS 25.863, 25.867, 25.869, and 25.1185 to 25.1203
ED Decision 2003/002/RM · Source