At least 7 airframes converted for evaluation and several testing purposes. Another 20 or more as GUH-60A for ground instruction List of Operators of Sikorsky JUH-60A From Organisation with model JUH-60A 1978 US Army Aviation S-70 H-60 1978/ Construction Numbers Help Us C/NYearHistory 70-075 78-23012,NASA-760 70-1221 88-26015 70-1289 88-26069,N483YM 3 C/N.
78-23012,NASA-760