He spent a year in Iceland, training for mountain and Arctic warfare, and drove his machine-gun carrier on to the beach in Normandy in 1944.
[1] Subsequently, he worked for the Ministry of Civil Aviation, British European Airways, the Bristol Aeroplane Company and de Havilland before moving to the United States in 1968 to lead market research for Douglas Aircraft.
A lifelong aviation enthusiast, Davies dedicated his work to different aspects of the airline industry, including traffic forecasting, and specializing in its history.
He researched airlines at the National Air and Space Museum as the Charles A. Lindbergh Chair in Aerospace History in 1981–1982.
Well travelled to more than a hundred countries, Davies was a member of three British Royal Societies, the Explorers Club, and others in France and Brazil.