Downloaded from https://www.everyspec.com MIL-STD-1808B SYSTEM SUB-SYSTEM TITLE DEFINITION 33 LIGHTS The subsystem components that provide for external and internal illumination, such as landing lights, taxi lights, position lights, rotating lights, ice lights, master warning lights, passenger reading and cabin dome lights, etc. Includes light fixtures, switches and wiring. Does not include warning lights for individual systems or lamps and bulbs (see System 39, ELECTRICAL/ELECTRONIC COMPONENTS AND MULTIFUNCTION UNITS).
00 GENERAL 10 FLIGHT COMPARTMENT/ COCKPIT The portion of the system lighting the compartment above the floor and between the forward passenger partition and the forward pressure dome. Does not include cargo compartment. Includes direct and indirect illumination of work areas, panels and instruments. Includes the master warning light system and the warning light dimming systems where not integrated with a c 20 PASSENGER COMPARTMENTS The portion of the system lighting areas where passengers are seated and in buffet/galley, lavatories, lounges and coat rooms. Includes direct and indirect illumination, passenger call system, lighted signs, etc. NOTE:
For those aircraft that do not contain passenger compartments, and the flight compartment(s) can be reasonably divided, subsystem 20 may be used to aid in defining such division. 30 CARGO, SERVICE COMPARTMENTS AND WEAPONS BAYS The portion of the system lighting the cargo stowage compartments and the housing of various components, accessories or weapons. 40 EXTERIOR The portion of the system used to provide illumination outside of the aircraft. Includes lights such as landing, navigation, position indicating, wing illumination, rotating, courtesy, taxi, etc. 50 EMERGENCY LIGHTING The portion of the system used to provide illumination in case of primary electrical power failure.
Includes inertia flashlights, lanterns, etc. 39