In pursuit of a high-end system, the cost of the program in comparison to a simpler attack helicopter were driven upwards, although the increases were never in excess of the allotted budget between 1984 and 1990.
Na busca dun sistema de alta gama, o custo do programa en comparación cun helicóptero de ataque máis sinxelo aumentou, aínda que os aumentos nunca superaron os orzamentos asignados entre 1984 e 1990.