Besides being one of the oddest looking helicopters ever flown, the Sikorsky Skycrane is famous for its ... the big helicopter was the Army CH-54, and it became famous for a feat that had nothing ...

It is being replaced by the MV-22 Osprey and the heavy lift mission has been taken over by the more capable, three-engine CH-53E Super Stallion. The CH-53D rolled off Sikorsky’s production line ...