The AH-64A then entered phase 2 of the AAH program under which three pre-production AH-64s would be built, additionally, the two YAH-64A flight prototypes and the ground test unit were upgraded to the same standard.
O AH-64A entrou entón na fase 2 do programa AAH na cal se construirían tres aparellos de preprodución, ademais, os dous prototipos de voo do YAH-64A e a unidade de probas no chan foron actualizados ao mesmo stándar.