Wycombe Air Park, also known as Booker Airfield, is an operational general aviation aerodrome located in Booker, Buckinghamshire, 2.4 nautical miles south-west of High Wycombe, England. The airfield celebrated its 50th year of opening on 25 April 2015. It originally opened in 1941 as RAF Booker and was primarily involved in training during World War II, remaining a military establishment until 1965.