Downloaded from https://www.everyspec.com MIL-STD-1808C w/CHANGE 1 SYSTEM SUB-SYSTEM TITLE DEFINITION 19 TRAINING EQUIPMENT Shall contain that unique equipment required to support training systems. Does not include aircraft components, commercial support or test equipment. 00 GENERAL 10 THRU 90 Subsystems 10 thru 90 shall be used to describe either individual trainers or groupings of trainers. The manufacturer may assign the subsystem numbers to suit the required types of trainers. 21