Ocean Bridge: The History of RAF Ferry Command by Carl A. Christie
http://www.airpower.maxwell.af.mil/a...rev/chris.html
Between 1940 and 1945 over 11,000 aircraft were delivered across the ocean, most departing from airfields at Gander, Newfoundland, and Goose Bay, Labrador. The cost, however, was not cheap; approximately 150 aircraft and 560 personnel were lost in ferry operations.