The designation HSS-2 was applied to imply a level of commonality to the earlier HSS-1, should political sentiment turn against the development of an entirely new rotorcraft.
A designación HSS-2 aplicouse para implicar un certo nivel de características comúns co anterior HSS-1, no caso de que os sentimentos políticos se opuxesen ao desenvolvemento dun helicóptero totalmente novo.