The Spitfire was subject to continual development throughout the period 1939 - 1945
during which time the improvement in performance was clearly remarkable.
The following table gives some idea of the performance capabilities of all the major
variants although it should be remembered that individual aircraft often exceeded, or
indeed fell short of the official figures.
Mark
|
Max. Speed
|
Climb Rate
|
Ceiling
|
Range
|
I
|
355 mph at 19,000 ft.
|
6.2 mins to 15,000 ft.
|
34,000 ft.
|
395 miles
|
V
|
374 mph at 13,000 ft.
|
7.5 mins to 20,000 ft.
|
37,000 ft.
|
1,135 miles
|
VII
|
408 mph at 25,000 ft.
|
7.1 mins to 20,000 ft.
|
43,000 ft.
|
1,180 miles
|
VIII
|
408 mph at 25,000 ft.
|
7 mins to 20,000 ft.
|
44,000 ft.
|
1,180 miles
|
IX
|
408 mph at 25,000 ft.
|
6.7 mins to 20,000 ft.
|
44,000 ft
|
980 miles
|
X
|
416 mph at 27,000 ft.
|
5 mins to 20,000 ft.
|
44,000 ft.
|
1,360 miles
|
XI
|
422 mph at 27,500 ft.
|
5 mins to 20,000 ft.
|
44,000 ft.
|
2,000 miles
|
XII
|
393 mph at 18,000 ft.
|
6.7 mins to 20,000 ft.
|
40,000 ft.
|
493 miles
|
XIV
|
448 mph at 26,000 ft.
|
7 mins to 20,000 ft.
|
44,500 ft.
|
850 miles
|
XVIII
|
442 mph at 25,000 ft.
|
7 mins to 20,000 ft.
|
41,000 ft.
|
850 miles
|
XIX
|
446 mph at 26,000 ft.
|
15.5 mins to 35,000 ft
|
42,000 ft.
|
1,550 miles
|
F.21
|
454 mph at 26,000 ft.
|
8 mins to 20,000 ft.
|
43,500 ft.
|
880 miles
|
F.24
|
450 mph at 19,000 ft.
|
5 mins to 20,000 ft.
|
43,000 ft.
|
965 miles
|
Seafire.I
|
365 mph at 16,000 ft.
|
7.6 mins to 20,000 ft.
|
36,400 ft.
|
770 miles
|
Seafire III
|
352 mph at 12,250 ft.
|
8.1 mins to 20,000 ft.
|
34,000 ft.
|
725 miles
|
Seafire 47
|
451 mph at 20,000 ft
|
4.8 mins to 20,000 ft.
|
43,000 ft.
|
1,475 miles
|
|