In addition to N3297 in early 1941 a Spitfire Mk V , W3237 was converted to a Mk III .
Spitfire Mk V did n't have the retractable tailwheel .
In addition to N3297 in early 1941 a Spitfire Mk V , W3237 was converted to a Mk III , although it did n't have the retractable tailwheel .