Spitfire PR. Mk. XI MB.789
(Merlin 63)
Level speed performance and position error
The maximum true air speeds under each condition were: |
All-out level speed in F.S. gear 417 mph ASI at 24,200 ft. |
Max. cruising speed in F.S. gear 397 mph ASI at 31,000 ft.
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The maximum speeds at 38,000 ft. were:- |
All-out level 387 mph ASI |
Max. cruising 378 mph ASI |
Spitfire PR XI Aircraft Data Card |