Downloaded from https://www.everyspec.com MIL-STD-1808C w/CHANGE 1 SYSTEM SUB-SYSTEM TITLE DEFINITION 52 60 ENTRANCE STAIRS The portion of the system that includes stairs. that operate in conjunction with but are not integral to entrance doors. Includes structure, actuating mechanisms and controls, handrails, attached fittings, etc. 70 DOOR WARNING The portion of the system used to indicate when doors are closed and properly latched. Includes switches, lights, bells, horns, etc. Does not include landing gear or weapons bay door warnings (see System 32, LANDING GEAR and System 94, WEAPON SYSTEM).
80 LANDING GEAR The portion of the system that includes the structure of doors used to enclose the landing gear compartments. Includes structure, latching mechanisms, handles, insulation, lining, controls, attached fittings, etc. 62