MIL-STD-1293, MILITARY STANDARD: ELECTRO-MECHANICAL COMMAND INSTRUMENT SYSTEM FOR ROTARY WING AIRCRAFT (26 SEPT 1979) [NO S/S DOCUMENT]

MIL-STD-1293, MILITARY STANDARD: ELECTRO-MECHANICAL COMMAND INSTRUMENT SYSTEM FOR ROTARY WING AIRCRAFT (26 SEPT 1979) [NO S/S DOCUMENT]., The purpose of this standard is to establish design requirements for Electro-Mechanical Command Instrument Systems (Flight Directors) for Rotary Wing aircraft.