MIL-T-81821, MILITARY SPECIFICATION: TRAINERS, MAINTENANCE, EQUIPMENT AND SERVICES GENERAL SPECIFICATION FOR (08 FEB 1974) [SUPERSEDING MIL-T-7755C & MIL-T-6328J]

MIL-T-81821, MILITARY SPECIFICATION: TRAINERS, MAINTENANCE, EQUIPMENT AND SERVICES GENERAL SPECIFICATION FOR (08 FEB 1974) [SUPERSEDING MIL-T-7755C & MIL-T-6328J]., This specification establishes the general requirements for Maintenance Trainer Sets (MTSs) and Maintenance Training Equipment (MTE).