Used on helicopter, mh-53e, pathfinder class t-ags 60, emory s. land class as, helicopter, carrier based asw, sh-60f, fire pumps, trainer, b-1b aircraft, helicopter, search and rescue, hh-60h, helicopter, advance attack, ah-1w, helicopter, uscg search and rescue, hh-60j. major comp: operator 1, red push button 1. weapon system essential