Built in March 1944 at Castle Bromwich Aircraft Factory - Birmingham UK. The first test flight was carried out by Alex Henshaw on the 18th March 1944.MK923 was delivered to 9MU at RAF Cosford on the 24.3.1944, where it was stored until issue to a Squadron. The first Squadron was that of 126 Squadron at Sawbridgenorth, Hertfordshire on 10.5.1944. Given code 5J-Z in August 14 1944 two Messerschmitt Bf 109G's were shot down by Pilot Officer Risley in this aircraft. Then she was taken on charge by the Dutch Government on the 19.5.47. Flown to 47 MU at RAF Sealand then MK923 was sold to the Belgian Air force March 1952. On the 2nd February 1953 at which point she was accepted and flown to Belgium to COGEA Co and given registration 00-ARF. The plane was then leased along with three other Spitfire's in 1961 , for the movie " The Longest Day .”
MK923 was sold in 1963 to the movie actor Cliff Robertson and was shipped to Santa Anna California on 17th November 1963.