Pakutanga akasarudzwa sezvo YHO-6A maererano Army kuti zita hurongwa, ndege akanga redesignated sezvo YOH-6A muna 1962 apo Department of Defense akasika Joint zita hurongwa ndege zvose. prototypes Five dzakavakwa, vakapakata 252 shp (188 kW) Allison T63-A-5A, uye vakaendesa kuna U.S. Army pana Fort Rucker, Alabama kukwikwidzana pamusoro dzimwe gumi prototype ndege pasi ne Bell uye Fairchild-Hiller.
Gore ra1963