P-63 Kingcobra
| TECHNICAL NOTES | (P-63E) |
| Armament | One 37mm cannon and four .50-cal. machine guns |
| Engine | One Allison V-1710 of 1,325 hp |
| Maximum speed | 408 mph |
| Cruising speed | 280 mph |
| Range | 450 miles |
| Service ceiling | 43,000 ft. |
| Span | 38 ft. 4 in. |
| Length | 32 ft. 8 in. |
| Height | 12 ft. 7 in. |
| Weight | 9,350 lbs. maximum |
| Crew | One |
| Type | Number built/ converted |
Remarks |
| XP-63 | 2 | Improved XP-39E; laminar flow wing |
| XP-63A | 2 | Improved XP-63; bomb racks |
| P-63A | 1,726 | Prod. aircraft; Blocks 1-10 |
| RP-63A | 100 | Aerial target aircraft |
| XP-63B | 0 | Improved XP-63A (canceled) |
| P-63C | 1,227 | Improved P-63A; engine change |
| RP-63C | 200 | Improved RP-63A |
| P-63D | 1 | Improved design; engine change |
| P-63E | 13 | Improved P-63D; new prop |
| P-63F | 2 | Improved P-63E; modified tail |
| RP-63G | 32 | Aerial target aircraft; 420 canceled |
| XP-63H | 1 (cv) | Modified P-63E; engine change |
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