
3D Helicopter Simulator by Sierra (1987)
Released in 1987, this sim must have been one of the first sims to support head to head play via a modem. For it's time it looked outstanding with 3 dimensional polygon choppers and scenery.A rare sim - Scott "Zuma" Wolf found the box.
5.25" - John D. Yarrow found the disk and sent it to the Flight Sim Museum's physical collection.

Box art
In flight
Setup
Multiplay
Download the original code - 107k zip file