Due to the great difficulty posed by the prospects of designing and manufacturing a clean-design helicopter, which would have substantially increased the cost and timescale of the project, it was decided to base the attack helicopter upon an existing design.
Debido á gran dificultade plantexada polas perspectivas do deseño e fabricación dun helicóptero totalmente novo, que aumentaría substancialmente os custos e tempos do proxecto, decidíuse basear o helicóptero de ataque nun deseño existente.