1952: PROJECT HOP-A-LONG. Two Military Air Transport Service Sikorsky UH-19b helicopters complete the first trans-Atlantic helicopter flight. They touch down five times en route between Westover Field and Prestwick, Scotland.
1952: PROJECT HOP-A-LONG. Two Military Air Transport Service Sikorsky UH-19b helicopters complete the first trans-Atlantic helicopter flight. They touch down five times en route between Westover Field and Prestwick, Scotland.