MIL-L-81174A, MILITARY SPECIFICATION, LIGHTS, LANDING, AIRCRAFT, RETRACTABLE (20 AUG 1993)

MIL-L-81174A, MILITARY SPECIFICATION, LIGHTS, LANDING, AIRCRAFT, RETRACTABLE (20 AUG 1993)., This specification covers the requirements for electrically retractable aircraft landing lights suitable for operations on 28VDC circuits and designed to use self-contained reflector type lamps having filament voltages up to 120 volts.