Spitfire - UK
Produced in greater numbers than any other British combat aircraft before or since the War, 20,341 Spitfires were built in 22 different variants (excluding the navalised Seafire) and the aircraft remained in production for 12 years.
The prototype's maiden flight took place on 5th March 1936 and Mk1 Spitfires entered RAF service (with No 19 Squadron) in August 1938. There are six Spitfires on the BBMF.