 It was flown in February 1939 and later assessed at Martlesham Heath as the Heck III, but was not ordered.The last surviving Heck was G-AEGI which was damaged beyond repair in a taxying accident on 17 June 1950.The aircraft had just come seventh in the King's Cup Race at Wolverhampton's Pendeford airfield (with a speed of 159 mph) when a landing civil Supermarine Spitfire hit the rear of the Heck and demolished it.