Railway Air Services de Havilland DH 86 Express aircraft, Croydon Airport, c 1937.
© National Railway Museum / Science & Society Picture Library -- All rights reserved
A de Havilland passenger aircraft bearing the name 'Neptune', parked outside the terminal buildings at Croydon airport, Surrey. Railway Air Services was formed by the four main railway companies and Imperial Airways to serve domestic routes within the United Kingdom. The airline operated twin-engined de Havilland Dragon and Dragon Rapide aircraft as well as four-engined de Havilland Express airliners capable of carrying 10 passengers such as the one in the photograph.