First transatlantic helicopter flight completed (Sikorsky H-19A)
Thursday, July 31, 1952
- Prestwick Airport, United Kingdom 
This is a Significant Operational milestone.
Description:
This was a significant step in proving that helicopters had both the performance and reliability to achieve such a significant journey.
The flight was made by 2 Sikorsky H-19A's. The aircraft took-off from Westover Air Force Base, MA, USA with Prestwick, Scotland the point of touchdown - a distance of 3,535 miles.
Source: Sikorsky H-19 Helicopters Make First Trans-Atlantic Hop, FLIGHT 12 December 1952, Page 11
