I did a supersonic dive in the back of a Jag off Gib once
The spitfire was a Mk 19 in a dive off Hong Kong with a Flt Lt Powles at the controls.
it was PS854 and recorded 0.96 Mach or 715mph in a dive from over 51,500 ft and no that isn't a typo!
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Edward Powles ? Fastest Piston Pilot ? World of Indie
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