Wasn't it Dickie Martin who carried out the test flying for the Shuttleworth Collection's restoration in the late 70's?
Dickie I think did the first flight at Hatfield after a lengthy re-build before bringing her "home". I remember him displaying various types in the 1970's particularly the Gladiator and the Spitfire. Happy days; he passed on aged 88 8 years ago and I was at his memorial service. A great man.
MB