Downloaded from https://www.everyspec.com MIL-STD-1808C w/CHANGE 1 SYSTEM SUB-SYSTEM TITLE DEFINITION 71 POWER PLANT The subsystem components included in the overall power package. Include engine air intake, mount, cowling, scoops, cowl flaps, etc. 00 GENERAL The portion of the system that includes general information, limits, and procedures. This subsystem covers engine changes, run-up, externally mounted spare power plants, etc. 10 COWLING The portion of the system that includes removable coverings that extend over and around the power plant assembly.
Includes the functioning and maintenance aspects of accessory section cowls, cowl flaps, cowling supports, attach and locking mechanisms, etc. Does not include the structure integral with the airframe (see System 54, NACELLES/ PYLONS). 20 MOUNTS The portion of the system that covers the framework, either of buildup construction or forgings, that supports the engine and attaches it to the nacelle or pylon. Includes engine mounts, vibration dampeners, support links, mounting bolts, etc. 30 FIRESEALS The portion of the system used to isolate areas subject to fire. Includes fire resistant partitions and seals mounted on or about the power package.
Does not include firewalls (see System 54, NACELLES/PYLONS). 40 ATTACH FITTINGS The portion of the system covering fittings and brackets used for the support of equipment in and about the power package. 50 ELECTRICAL HARNESS The portion of the system covering electrical cables, conduits, plugs, sockets, etc., that serve several power plant systems, are banded together to facilitate removal, and installation of the power plant. Does not include wiring covered under another system. 79