Several Mk I and Mk II airframes were converted to Mk V standard by Supermarine and started equipping fighter units from early 1941 .
Improvements to the carburettor also allowed the Spitfire to use zero gravity manoeuvres without any problems with fuel flow .
Several Mk I and Mk II airframes were converted to Mk V standard by Spitfire and started equipping fighter units from early 1941 .
Improvements to the carburettor also allowed the Spitfire to use zero gravity manoeuvres without any problems with fuel flow .