Downloaded from https://www.everyspec.com MIL-STD-1808B SYSTEM SUB-SYSTEM TITLE DEFINITION 49 AIRBORNE AUXILIARY POWER The power plants (engines) installed on the aircraft that generate and supply any combination of auxiliary electric, hydraulic, pneumatic or other power. Includes power and drive section, fuel, ignition, control systems, wiring, indicators, plumbing, valves, and ducts to the power unit. Does not include generators, alternators, hydraulic pumps, etc., or their connecting systems that supply power to aircraft systems. 00 GENERAL 10 POWER PLANT See System 71 for definition. 20 ENGINE See System 72 for definition. 30 ENGINE FUEL AND CONTROL See System 73 for definition.
40 IGNITION/STARTING See System 74 and 80 for definition. 50 AIR See System 75 for definition. 60 ENGINE CONTROLS See System 76 for definition. 70 INDICATING See System 77 for definition. 80 EXHAUST See System 78 for definition. 90 OIL See System 79 for definition. 55