White Waltham Airfield (ICAO: EGLM) is an operational general aviation aerodrome located at White Waltham, 2 nautical miles (3.7 km; 2.3 mi) southwest of Maidenhead, in the Royal Borough of Windsor and Maidenhead in Berkshire, England. This large grass airfield is best known for its association with the Air Transport Auxiliary from 1940-1945 and also has a significant history of pre-war flying training, war-time and post-war RAF use and post-war use as flight test centre by the Fairey and Westland aircraft companies.In the mid 1950s it was HQ RAF Home Command.