Downloaded from https://www.everyspec.com MIL-STD-1808C w/CHANGE 1 SYSTEM SUB-SYSTEM TITLE DEFINITION 44 IN-FLIGHT REFUELING: TANKER The subsystem components that store and deliver fuel to another aircraft while in flight. Includes fuel storage units, distribution system, controls, sensors, etc., specifically used for in-flight refueling supply. Also, includes interfaces with other systems. Does not include any dual purpose item identified with another system. 00 GENERAL 10 STORAGE The portion of the system that stores fuel for inflight refueling. Includes tanks, tank sealing, bladder-type cells, ventilating system, cell and tank interconnects, over wing filler necks, caps, etc.
Also includes reservoir feed pumping systems and reservoirs within the tanks that are not part of the distribution system. 20 DISTRIBUTION The portion of the system used to distribute fuel from the filler connector to the storage system, and from the storage system to the receiving aircraft. Includes the vehicle-to-vehicle transfer interface, plumbing, pumps, valves, controls, etc. 30 DELIVERY The portion of the system that accepts fuel from the distribution subsystem and conducts it to the receiving vehicle. Includes refueling boom and nozzle, hose and drogue, boom control surfaces, actuators, and hoist and stowage components. Does not include operator controls.
40 CONTROLS The portion of the system used to control the transfer of fuel between tanker and receiving aircraft. Includes operator controls, indicators, inter-vehicular communications, etc. 50 INDICATING The portion of the system used to indicate fuel quantity, temperature, and pressure. Includes pressure warning systems for pumping within the storage and distribution areas. 60 DUMP The portion of the system used to dump fuel overboard during flight. Includes tanker vehicle dump system interface (see 28-30, FUEL DUMP) when used it identifies plumbing, controls, indicators, chutes, etc. NOTE:
When systems and components serve both the operating and refueling systems, they are included in System 28, FUEL. 53