MIL-T-7101A (NOTICE 2), MILITARY SPECIFICATION: TRANSMISSION; POWER, CONSTANT SPEED: GENERAL SPECIFICATION (AIRCRAFT USE) (30 NOV 2007) [NO S/S DOCUMENT]., MIL-T-7101A(Aer), dated 20 November 1951, is hereby canceled without replacement. The aircraft which used this transmission are no longer in operation.