The ornamental design for a helicoptersunship, as shown and described.
FIG. 1 is a top and front perspective view of a helicopter gunship showing
my new design, one of the rotor blades is shown broken away for
convenience of illustration;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view thereof, the opposite side elevational
view being a mirror image of that shown;