The Empire Test Pilots' School (ETPS) is a British training school for test pilots and flight test engineers of fixed-wing and rotary-wing aircraft at MoD Boscombe Down in Wiltshire, England. It was established in 1943, the first of its type. The school moved to RAF Cranfield in October 1945, to Royal Aircraft Establishment, Farnborough in July 1947, before returning to Boscombe Down on 29 January 1968.