 XI, an unarmed, camera-equipped version of the Supermarine Spitfire.Shortly before the D-Day landings, on 4 June 1944, she had a lucky escape when the oxygen system of her Spitfire malfunctioned at over Fruges, France.She passed out but the aircraft continued flying on its own for around an hour over German–occupied France while being subjected to German anti-aircraft fire, she regained semi-consciousness at low altitude and was able to fly back to the squadron's base at RAF Gatwick.