MIL-C-85019, MILITARY SPECIFICATION: COMPUTER, AIR NAVIGATION, TRUE AIRSPEED, MACH NUMBER, WIND COMPONENTS, SUPERSONIC, TYPE MB-9 (15-OCT-1976)

MIL-C-85019, MILITARY SPECIFICATION: COMPUTER, AIR NAVIGATION, TRUE AIRSPEED, MACH NUMBER, WIND COMPONENTS, SUPERSONIC, TYPE MB-9 (15-OCT-1976)., This specification covers one type of handheld dead-reckoning computer, designated Type MB-9.