 29 Fighter Squadron, equipped with Snipes and later with Gloster Grebes.After six months he was transferred to the single-seater flight at Martlesham Heath, where he helped to test, among other types, the Gloster Gamecock, Bristol Bulldog, Hawker Hornbill and Avro Avenger.He flew for five years at the Royal Aircraft Establishment at Martlesham Heath, including periods on loan to Blackburn Aircraft and Avro.