Last Updated: June 27, 2007
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| Model | Designation | Manufacturer | Engine(s) | Crew | Other |
|---|---|---|---|---|---|
| P-1 | Hawk | Curtiss | 1 Curtiss V-1150-1 | 1 | |
| P-1A | Hawk | Curtiss | 1 Curtiss V-1150-1 | 1 | |
| P-1B | Hawk | Curtiss | 1 Curtiss V-1150-1/3 | 1 | |
| XP-1C | Hawk | Curtiss | 1 Curtiss V-1150-5 | 1 | |
| P-1C | Hawk | Curtiss | 1 Curtiss V-1150-5 | 1 | |
| P-1D | Hawk | Curtiss | 1 Curtiss V-1150-3 | 1 | AT-4 |
| P-1E | Hawk | Curtiss | 1 Curtiss V-1150-3 | 1 | AT-5 |
| P-1F | Hawk | Curtiss | 1 Curtiss V-1150-3 | 1 | AT-5A, XP-21 |
| P-2 | Hawk | Curtiss | 1 Curtiss V-1400 | 1 | |
| XP-3 | Hawk | Curtiss | 1 Curtiss R-1454 | 1 | |
| XP-3A | Hawk | Curtiss | 1 Pratt & Whitney R-1340-9 Wasp | 1 | |
| P-3A | Hawk | Curtiss | 1 Pratt & Whitney R-1340-3 Wasp | 1 | |
| XP-4 | Boeing | 1 Packard 1A-1530 | 1 | ||
| XP-5 | Hawk | Curtiss | 1 Curtiss V-1150-3 | 1 | |
| P-5 | Hawk | Curtiss | 1 Curtiss V-1150-3 | 1 | |
| XP-6 | Hawk | Curtiss | 1 Curtiss V-1570-1 Conqueror | 1 | |
| P-6 | Hawk | Curtiss | 1 Curtiss V-1570-17 Conqueror | 1 | |
| XP-6A | Hawk | Curtiss | 1 Curtiss V-1570 Conqueror | 1 | |
| P-6A | Hawk | Curtiss | 1 Curtiss V-1570-23 Conqueror | 1 | |
| XP-6B | Hawk | Curtiss | 1 Curtiss V-1570-23 Conqueror | 1 | |
| P-6C | Hawk | Curtiss | 1 Curtiss V-1570-23 Conqueror | 1 | YP-22 |
| XP-6D | Hawk | Curtiss | 1 Curtiss V-1570-23 Conqueror | 1 | |
| P-6D | Hawk | Curtiss | 1 Curtiss V-1570-23 Conqueror | 1 | |
| XP-6E | Hawk | Curtiss | 1 Curtiss V-1570-23 Conqueror | 1 | YP-20 |
| P-6E | Hawk | Curtiss | 1 Curtiss V-1570-23 Conqueror | 1 | YP-22 |
| P-6F | Hawk | Curtiss | 1 Curtiss V-1570-55 Conqueror | 1 | |
| P-6G | Hawk | Curtiss | 1 Curtiss V-1570-55 Conqueror | 1 | |
| XP-6H | Hawk | Curtiss | 1 Curtiss V-1570-23 Conqueror | 1 | |
| XP-7 | Boeing | 1 Curtiss V-1570-1 Conqueror | 1 | ||
| XP-8 | Boeing | 1 Packard 2A-1530 | 1 | ||
| XP-9 | Boeing | 1 Curtiss V-1570-15 Conqueror | 1 | ||
| XP-10 | Curtiss | 1 Curtiss V-1570-15 Conqueror | 1 | ||
| P-11 | Hawk | Curtiss | 1 Curtiss H-1640-1 Chieftain | 1 | |
| P-12 | Boeing | 1 Pratt & Whitney R-1340-7 Wasp | 1 | ||
| XP-12A | Boeing | 1 Pratt & Whitney R-1340-7 Wasp | 1 | ||
| P-12B | Boeing | 1 Pratt & Whitney R-1340-9 Wasp | 1 | ||
| P-12C | Boeing | 1 Pratt & Whitney R-1340-9 Wasp | 1 | F4B-2 | |
| P-12D | Boeing | 1 Pratt & Whitney R-1340-17 Wasp | 1 | ||
| P-12E | Boeing | 1 Pratt & Whitney R-1340-17 Wasp | 1 | F4B-3, F4B-4 | |
| P-12F | Boeing | 1 Pratt & Whitney R-1340-19 Wasp | 1 | ||
| XP-12G | Boeing | 1 Pratt & Whitney R-1340-15 Wasp | 1 | ||
| XP-12H | Boeing | 1 Pratt & Whitney R-1340 Wasp | 1 | ||
| P-12J | Boeing | 1 Pratt & Whitney R-1340-23 Wasp | 1 | ||
| YP-12K | Boeing | 1 Pratt & Whitney R-1340 Wasp | 1 | ||
| XP-12L | Boeing | 1 Pratt & Whitney R-1340 Wasp | 1 | ||
| XP-13 | Viper | Thomas-Morse | 1 Curtiss H-1640-1 Chieftain | 1 | |
| XP-13A | Viper | Thomas-Morse | 1 Pratt & Whitney R-1340-9 Wasp | 1 | |
| XP-14 | Curtiss | 1 Curtiss H-1640-1 Chieftain | 1 | cancelled | |
| XP-15 | Boeing | 1 Pratt & Whitney R-1340 Wasp | 1 | ||
| XP-16 | Berliner-Joyce | 1 Curtiss V-1570A Conqueror | 2 | ||
| Y1P-16 | Berliner-Joyce | 1 Curtiss V-1570-25 Conqueror | 2 | PB-1 | |
| XP-17 | Curtiss | 1 Wright V-1460-3 Tornado | 1 | ||
| XP-18 | Curtiss | 1 Wright V-1560-1 | 1 | cancelled | |
| XP-19 | Curtiss | 1 Wright V-1560-1 | 1 | cancelled | |
| YP-20 | Curtiss | 1 Wright R-1820-9 Cyclone | 1 | XP-6E | |
| XP-21 | Curtiss | 1 Wright R-975 Wasp Junior | 1 | P-1F | |
| XP-21A | Curtiss | 1 Wright R-975 Wasp Junior | 1 | ||
| YP-22 | Curtiss | 1 Curtiss V-1570-23 Conqueror | 1 | P-6C,E | |
| YP-23 | Curtiss | 1 Curtiss V-1570-23 Conqueror | 1 | ||
| YP-24 | Lockheed-Detroit | 1 Curtiss V-1570-23 Conqueror | 2 | ||
| YP-25 | Consolidated | 1 Curtiss V-1570-27 Conqueror | 2 | ||
| XP-26 | Boeing | 1 Pratt & Whitney R-1340 Wasp | 1 | ||
| XP-26 | Boeing | 1 Pratt & Whitney R-1340 Wasp | 1 | ||
| Y1P-26A | Boeing | 1 Pratt & Whitney R-1340 Wasp | 1 | ||
| P-26A | Boeing | 1 Pratt & Whitney R-1340-27 Wasp | 1 | ||
| P-26B | Boeing | 1 Pratt & Whitney R-1340-33 Wasp | 1 | ||
| P-26C | Boeing | 1 Pratt & Whitney R-1340-27 Wasp | 1 | ||
| YP-27 | Consolidated | 1 Pratt & Whitney R-1340-21 Wasp | 2 | cancelled | |
| YP-28 | Consolidated | 1 Pratt & Whitney R-1340-19 Wasp | 2 | cancelled | |
| YP-29 | Boeing | 1 Pratt & Whitney R-1340 Wasp | 1 | ||
| P-29 | Boeing | 1 Pratt & Whitney R-1340-39 Wasp | 1 | ||
| YP-29A | Boeing | 1 Pratt & Whitney R-1340-35 Wasp | 1 | ||
| P-29A | Boeing | 1 Pratt & Whitney R-1340-27 Wasp | 1 | ||
| P-29B | Boeing | 1 Pratt & Whitney R-1340-35 Wasp | 1 | ||
| P-30 | Consolidated | 1 Curtiss V-1570-57 Conqueror | 2 | PB-2 | |
| P-30A | Consolidated | 1 Curtiss V-1570-61 Conqueror | 2 | PB-2A | |
| XP-31 | Swift | Curtiss | 1 Curtiss V-1570-53 Conqueror | 1 | |
| XP-32 | Boeing | 1 Pratt & Whitney R-1535 Twin Wasp Junior | 1 | cancelled | |
| XP-33 | Consolidated | 1 Pratt & Whitney R-1830-1 Twin Wasp | 2 | cancelled | |
| XP-34 | Wedell-Williams | 1 Pratt & Whitney R-1830 Twin Wasp | 1 | cancelled | |
| P-35 | Seversky | 1 Pratt & Whitney R-1830-9 Twin Wasp | 1 | ||
| P-35A | Seversky | 1 Pratt & Whitney R-1830-45 Twin Wasp | 1 | AT-12 Guardsman | |
| Y1P-36 | Hawk | Curtiss | 1 Pratt & Whitney R-1830-13 Twin Wasp | 1 | |
| YP-36 | Hawk | Curtiss | 1 Wright R-1820-39 Cyclone | 1 | |
| P-36A | Hawk | Curtiss | 1 Pratt & Whitney R-1830-13 Twin Wasp | 1 | |
| XP-36B | Hawk | Curtiss | 1 Pratt & Whitney R-1830-25 Twin Wasp | 1 | |
| P-36C | Hawk | Curtiss | 1 Pratt & Whitney R-1830-17 Twin Wasp | 1 | |
| XP-36D | Hawk | Curtiss | 1 Pratt & Whitney R-1830-13 Twin Wasp | 1 | |
| XP-36E | Hawk | Curtiss | 1 Pratt & Whitney R-1830-13 Twin Wasp | 1 | |
| XP-36F | Hawk | Curtiss | 1 Pratt & Whitney R-1830-13 Twin Wasp | 1 | |
| P-36G | Hawk | Curtiss | 1 Wright R-1820 Cyclone | 1 | |
| XP-37 | Hawk | Curtiss | 1 Allison V-1710-11 | 1 | |
| YP-37 | Hawk | Curtiss | 1 Allison V-1710-21 | 1 | |
| XP-38 | Lockheed | 2 Allison V-1710-11/15 | 1 | ||
| YP-38 | Lockheed | 2 Allison V-1710-27/29 | 1 | ||
| P-38 | Lockheed | 2 Allison V-1710-27/29 | 1 | ||
| XP-38A | Lockheed | 2 Allison V-1710-27/29 | 1 | ||
| P-38D | Lightning | Lockheed | 2 Allison V-1710-27/29 | 1 | |
| P-38E | Lightning | Lockheed | 2 Allison V-1710-27/29 | 1 | F-4 |
| P-38F | Lightning | Lockheed | 2 Allison V-1710-49/53 | 1 | F-4A |
| P-38G | Lightning | Lockheed | 2 Allison V-1710-51/55 | 1 | |
| P-38H | Lightning | Lockheed | 2 Allison V-1710-89/91 | 1 | |
| P-38J | Lightning | Lockheed | 2 Allison V-1710-89/91 | 1 | F-5E, F-38J |
| TP-38J | Lightning | Lockheed | 2 Allison V-1710-89/91 | 2 | |
| P-38K | Lightning | Lockheed | 2 Allison V-1710-75/77 | 1 | |
| P-38L | Lightning | Lockheed | 2 Allison V-1710-111/113 | 1 | F-5E,F,G, F-38L |
| TP-38L | Lightning | Lockheed | 2 Allison V-1710-111/113 | 2 | |
| P-38M | Lightning | Lockheed | 2 Allison V-1710-111/113 | 2 | |
| XP-39 | Airacobra | Bell | 1 Allison V-1710-1712 | 1 | |
| YP-39 | Airacobra | Bell | 1 Allison V-1710-1712 | 1 | |
| YP-39A | Airacobra | Bell | 1 Allison V-1710-31 | 1 | |
| XP-39B | Airacobra | Bell | 1 Allison V-1710-31 | 1 | |
| P-39C | Airacobra | Bell | 1 Allison V-1710-35 | 1 | P-45 |
| P-39D | Airacobra | Bell | 1 Allison V-1710-35 | 1 | |
| XP-39E | Airacobra | Bell | 1 Continental V-1430-1 | 1 | XP-76 |
| P-39F | Airacobra | Bell | 1 Allison V-1710-35 | 1 | |
| TP-39F | Airacobra | Bell | 1 Allison V-1710-35 | 2 | |
| P-39G | Airacobra | Bell | 1 Allison V-1710-35 | 1 | |
| P-39J | Airacobra | Bell | 1 Allison V-1710-59 | 1 | |
| P-39K | Airacobra | Bell | 1 Allison V-1710-63 | 1 | |
| P-39L | Airacobra | Bell | 1 Allison V-1710-63 | 1 | |
| P-39M | Airacobra | Bell | 1 Allison V-1710-67/83 | 1 | |
| P-39N | Airacobra | Bell | 1 Allison V-1710-85 | 1 | |
| P-39Q | Airacobra | Bell | 1 Allison V-1710-85 | 1 | F2L-1K |
| TP-39Q | Airacobra | Bell | 1 Allison V-1710-85 | 2 | |
| XP-40 | Curtiss | 1 Allison V-1710-19 | 1 | ||
| P-40 | Curtiss | 1 Allison V-1710-33 | 1 | ||
| P-40A | Curtiss | 1 Allison V-1710-33 | 1 | ||
| P-40B | Curtiss | 1 Allison V-1710-33 | 1 | ||
| P-40C | Curtiss | 1 Allison V-1710-33 | 1 | ||
| P-40D | Curtiss | 1 Allison V-1710-39 | 1 | ||
| P-40E | Curtiss | 1 Allison V-1710-39 | 1 | ||
| XP-40F | Curtiss | 1 Packard V-1560-1 Merlin | 1 | ||
| YP-40F | Curtiss | 1 Packard V-1560-1 Merlin | 1 | ||
| P-40F | Warhawk | Curtiss | 1 Packard V-1560-1 Merlin | 1 | |
| XP-40G | Curtiss | 1 | |||
| P-40G | Warhawk | Curtiss | 1 Allison V-1710-39 | 1 | |
| P-40H | Curtiss | 1 | cancelled | ||
| P-40J | Warhawk | Curtiss | 1 Allison V-1710-39 | 1 | cancelled |
| XP-40K | Warhawk | Curtiss | 1 Allison V-1710-73 | 1 | |
| P-40K | Warhawk | Curtiss | 1 Allison V-1710-73 | 1 | |
| P-40L | Warhawk | Curtiss | 1 Packard V-1560-1 Merlin | 1 | |
| P-40M | Warhawk | Curtiss | 1 Allison V-1710-81 | 1 | |
| P-40N | Warhawk | Curtiss | 1 Allison V-1710-81/99/115 | 1 | F-40N |
| TP-40N | Warhawk | Curtiss | 1 Allison V-1710-81 | 2 | |
| P-40P | Warhawk | Curtiss | 1 Packard Merlin V-1560-1 | 1 | |
| XP-40Q | Warhawk | Curtiss | 1 Allison V-1710-121 | 1 | |
| P-40R | Warhawk | Curtiss | 1 Allison V-1710-81 | 1 | |
| XP-41 | Seversky | 1 Pratt & Whitney R-1830-19 Twin Wasp | 1 | ||
| XP-42 | Curtiss | 1 Pratt & Whitney R-1830-31 Twin Wasp | 1 | ||
| YP-43 | Lancer | Republic | 1 Pratt & Whitney R-1830-35 Twin Wasp | 1 | |
| P-43 | Lancer | Republic | 1 Pratt & Whitney R-1830-47 Twin Wasp | 1 | |
| P-43A | Lancer | Republic | 1 Pratt & Whitney R-1830-49/57 Twin Wasp | 1 | |
| P-43B | Lancer | Republic | 1 Pratt & Whitney R-1830-49 Twin Wasp | 1 | |
| P-43C | Lancer | Republic | 1 Pratt & Whitney R-1830-49 Twin Wasp | 1 | |
| P-43D | Lancer | Republic | 1 Pratt & Whitney R-1830-49 Twin Wasp | 1 | |
| P-43E | Lancer | Republic | 1 Pratt & Whitney R-1830-49 Twin Wasp | 1 | |
| P-44 | Rocket | Republic | 1 Pratt & Whitney R-2180-1 Twin Hornet | 1 | cancelled |
| P-45 | Airacobra | Bell | 1 Allison V-1710-35 | 1 | P-39C |
| XP-46 | Curtiss | 1 Allison V-1710-39 | 1 | ||
| XP-46A | Curtiss | 1 Allison V-1710-39 | 1 | ||
| XP-47 | Thunderbolt | Republic | 1 Allison V-1710-39 | 1 | |
| XP-47A | Thunderbolt | Republic | 1 Allison V-1710-39 | 1 | |
| XP-47B | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-21 Double Wasp | 1 | |
| P-47B | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-21 Double Wasp | 1 | |
| P-47C | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-21/59 Double Wasp | 1 | |
| P-47D | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-21/59/63 Double Wasp | 1 | F-47D |
| XP-47E | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-21 Double Wasp | 1 | |
| XP-47F | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-21 Double Wasp | 1 | |
| P-47G | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-21/59/63 Double Wasp | 1 | |
| TP-47G | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-21/59/63 Double Wasp | 2 | |
| XP-47H | Thunderbolt | Republic | 1 Chrysler XIV-2220-1 | 1 | |
| XP-47J | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-57 Double Wasp | 1 | |
| XP-47K | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-21/59/63 Double Wasp | 1 | |
| XP-47L | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-21/59/63 Double Wasp | 1 | |
| YP-47M | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-57 Double Wasp | 1 | |
| P-47M | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-57 Double Wasp | 1 | |
| XP-47N | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-57 Double Wasp | 1 | |
| P-47N | Thunderbolt | Republic | 1 Pratt & Whitney R-2800-57 Double Wasp | 1 | F-47N |
| XP-48 | Douglas | 1 Ranger SGV-770 | 1 | ||
| XP-49 | Lockheed | 2 Continental XIV-1430-9/11 | 2 | ||
| XP-50 | Skyrocket | Grumman | 2 Wright R-1820-67/69 Cyclone | 1 | XF5F-1 |
| XP-51 | Mustang | North American | 1 Allison V-1710-39 | 1 | |
| P-51 | Mustang | North American | 1 Allison V-1710-39 | 1 | F-6A |
| P-51A | Mustang | North American | 1 Allison V-1710-81 | 1 | F-6B |
| XP-51B | Mustang | North American | 1 Packard Merlin V-1650-3/7 | 1 | XP-78 |
| P-51B | Mustang | North American | 1 Packard Merlin V-1650-3/7 | 1 | F-6C, F-51B |
| P-51C | Mustang | North American | 1 Packard V-1650-3/7 Merlin | 1 | F-6C |
| P-51D | Mustang | North American | 1 Packard V-1650-7 Merlin | 1 | F-6D, F-51D |
| TP-51D | Mustang | North American | 1 Packard V-1650-7 Merlin | 2 | TF-51D |
| XP-51F | Mustang | North American | 1 Packard V-1650-3 Merlin | 1 | |
| XP-51G | Mustang | North American | 1 Rolls Royce Merlin 145M | 1 | |
| P-51H | Mustang | North American | 1 Packard V-1650-9 Merlin | 1 | F-51H |
| XP-51J | Mustang | North American | 1 Allison V-1710-119 | 1 | |
| P-51K | Mustang | North American | 1 Packard V-1650-7 Merlin | 1 | F-51K |
| P-51L | Mustang | North American | 1 Packard V-1650-11 Merlin | 1 | |
| P-51M | Mustang | North American | 1 Packard V-1650-7 Merlin | 1 | |
| XP-52 | Bell | 1 Continental XIV-1430-5 | 1 | cancelled | |
| XP-53 | Curtiss | 1 Continental XIV-1430-3 | 1 | XP-60 | |
| XP-54 | Vultee | 1 Lycoming XH-2470 | 1 | ||
| XP-55 | Ascender | Curtiss | 1 Allison V-1710-95 | 1 | |
| XP-56 | Northrop | 1 Pratt & Whitney R-2800-29 Double Wasp | 1 | ||
| XP-57 | Tucker | 1 Miller L-510 Double | 1 | cancelled | |
| XP-58 | Chain Lightning | Lockheed | 2 Allison V-3420-11/13 | 2 | |
| XP-59 | Bell | 1 Pratt & Whitney R-2800-52 Double Wasp | 1 | ||
| XP-59A | Airacomet | Bell | 2 General Electric I-A | 1 | |
| YP-59A | Airacomet | Bell | 2 General Electric J31 | 1 | YF2L-1 |
| P-59A | Airacomet | Bell | 2 General Electric J31-GE-3/5 | 1 | |
| XP-59B | Airacomet | Bell | 1 General Electric J31 | 1 | |
| P-59B | Airacomet | Bell | 2 General Electric J31-GE-5 | 1 | |
| XP-60 | Curtiss | 1 packard V-1650 Merlin | 1 | XP-53 | |
| XP-60A | Curtiss | 1 Allison V-1710-75 | 1 | ||
| XP-60B | Curtiss | 1 Allison V-1710-75 | 1 | ||
| XP-60C | Curtiss | 1 Chrysler XIV-2220 or 1 Pratt & Whitney R-2800-53 Double Wasp | 1 | ||
| XP-60D | Curtiss | 1 Packard V-1650-3 Merlin | 1 | ||
| YP-60E | Curtiss | 1 Pratt & Whitney R-2800-10 Double Wasp | 1 | ||
| XP-61 | Black Widow | Northrop | 2 Pratt & Whitney R-2800-10 Double Wasp | 3 | |
| YP-61 | Black Widow | Northrop | 2 Pratt & Whitney R-2800-10 Double Wasp | 3 | |
| P-61A | Black Widow | Northrop | 2 Pratt & Whitney R-2800-10/65 Double Wasp | 3 | F2T-1 |
| P-61B | Black Widow | Northrop | 2 Pratt & Whitney R-2800-65 Double Wasp | 3 | |
| P-61C | Black Widow | Northrop | 2 Pratt & Whitney R-2800-73 Double Wasp | 3 | F-61C |
| XP-61D | Black Widow | Northrop | 2 Pratt & Whitney R-2800-14W/77 Double Wasp | 3 | |
| XP-61E | Black Widow | Northrop | 2 Pratt & Whitney R-2800-65 Double Wasp | 3 | XF-15 Reporter |
| XP-61F | Black Widow | Northrop | 2 Pratt & Whitney R-2800-73 Double Wasp | ||
| P-61G | Black Widow | Northrop | 2 Pratt & Whitney R-2800-65/73 Double Wasp | ||
| XP-62 | Curtiss | 1 Wright R-3350-17 Cyclone | 1 | ||
| XP-63 | Kingcobra | Bell | 1 Allison V-1710-47 | 1 | |
| XP-63A | Kingcobra | Bell | 1 Allison V-1710-93 | 1 | |
| P-63A | Kingcobra | Bell | 1 Allison V-1710-93 | 1 | QF-63A |
| TP-63A | Kingcobra | Bell | 1 Allison V-1710-93 | 2 | |
| P-63B | Kingcobra | Bell | 1 Packard V-1650-5 Merlin | 1 | |
| P-63C | Kingcobra | Bell | 1 Allison V-1710-117 | 1 | QF-63C |
| TP-63C | Kingcobra | Bell | 1 Allison V-1710-117 | 2 | |
| P-63D | Kingcobra | Bell | 1 Allison V-1710-109 | 1 | |
| P-63E | Kingcobra | Bell | 1 Allison V-1710-109 | 1 | |
| P-63F | Kingcobra | Bell | 1 Allison V-1710-135 | 1 | |
| RP-63G | Kingcobra | Bell | 1 Allison V-1710-135 | 1 | QF-63G |
| P-64 | North American | 1 Wright R-1820-77 Cyclone | 1 | ||
| XP-65 | Grumman | 2 Wright R-2600 Cyclone | 1 | XF7F-1 Tigercat, cancelled | |
| P-66 | Vanguard | Vultee | 1 Pratt & Whitney R-1830-33 Twin Wasp | 1 | |
| XP-67 | Bat | McDonnell | 2 Continental XIV-1430-17/19 | 1 | |
| XP-68 | Tornado | Vultee | 1 Wright R-2160 Tornado | 1 | cancelled |
| XP-69 | Republic | 1 Wright R-2160 Tornado | 1 | cancelled | |
| XP-70 | Havoc | Douglas | 2 Wright R-2600-11 Cyclone | 2 | |
| P-70 | Havoc | Douglas | 2 Wright R-2600-11 Cyclone | 2 | |
| P-70A | Havoc | Douglas | 2 Wright R-2600-23 Cyclone | 2 | |
| P-70B | Havoc | Douglas | 2 Wright R-2600-23 Cyclone | 2 | |
| XP-71 | Curtiss | 2 Pratt & Whitney R-4360-13 Wasp Major | 2 | cancelled | |
| P-72 | Republic | 1 Pratt & Whitney R-4360-13 Wasp Major | 1 | ||
| XP-73 | Hughes | 2 Pratt & Whitney R-2800-49 Double Wasp | 2 | ||
| XP-75 | Eagle | Fisher | 1 Allison V-3420-23 | 1 | |
| XP-75A | Eagle | Fisher | 1 Allison V-3420-23 | 1 | |
| P-75A | Eagle | Fisher | 1 Allison V-3420-23 | 1 | |
| XP-76 | Airacobra | Bell | 1 Allison V-1710-47 | 1 | XP-39E |
| XP-77 | Bell | 1 Ranger V-770-6 | 1 | ||
| XP-78 | Mustang | North American | 1 Packard V-1650-3/7 Merlin | 1 | XP-51B |
| XP-79 | Flying Ram | Northrop | 1 Aerojet rocket | 1 | |
| XP-79B | Flying Ram | Northrop | 2 Westinghouse J30 | 1 | |
| XP-80 | Shooting Star | Lockheed | 1 DeHavilland H-1 | 1 | |
| XP-80A | Shooting Star | Lockheed | 1 General Electric I-40 | 1 | |
| YP-80A | Shooting Star | Lockheed | 1 General Electric J33-GE-9/11 | 1 | |
| P-80A | Shooting Star | Lockheed | 1 General Electric J33-GE-11 or 1 Allison J33-A-9/17/25 | 1 | F-80A |
| XFP-80A | Shooting Star | Lockheed | 1 General Electric J33-GE-11 or 1 Allison J33-A-9/17/25 | 1 | XF-14 |
| FP-80A | Shooting Star | Lockheed | 1 General Electric J33-GE-11 or 1 Allison J33-A-9/17/25 | 1 | XF-14, RF-80A |
| XP-80B | Shooting Star | Lockheed | 1 Allison J33-A-23 | 1 | XP-80R |
| P-80B | Shooting Star | Lockheed | 1 Allison J33-A-17 | 1 | F-80B |
| P-80C | Shooting Star | Lockheed | 1 Allison J33-A-23/35 | 1 | F-80C |
| TP-80C | Shooting Star | Lockheed | 1 Allison J33-A-23/35 | 2 | TF-80C, T-33A |
| XP-80R | Shooting Star | Lockheed | 1 Allison J33-A-23 | 1 | XP-80B |
| XP-81 | Convair | 1 General Electric XT31-GE-1 and 1 Allison J33-GE-5 | 1 | ZXF-81 | |
| XP-82 | Twin Mustang | North American | 2 Packard V-1650-23/25 | 2 | |
| XP-82A | Twin Mustang | North American | 2 Allison V-1710-119 | 2 | |
| P-82B | Twin Mustang | North American | 2 Packard V-1560-19/21 Merlin | 2 | F-82B |
| P-82C | Twin Mustang | North American | 2 Packard V-1560-19/21 Merlin | 2 | F-82C |
| P-82D | Twin Mustang | North American | 2 Packard V-1560-19/21 Merlin | 2 | F-82D |
| P-82E | Twin Mustang | North American | 2 Allison V-1710-143/145 | 2 | F-82E |
| P-82F | Twin Mustang | North American | 2 Allison V-1710-143/145 | 2 | F-82F |
| P-82G | Twin Mustang | North American | 2 Allison V-1710-143/145 | 2 | F-82G |
| P-82H | Twin Mustang | North American | 2 Allison V-1710-143/145 | 2 | F-82H |
| XP-83 | Bell | 2 General Electric J33-GE-5 | 2 | ||
| XP-84 | Thunderjet | Republic | 1 General Electric J35-GE-7 | 1 | |
| YP-84 | Thunderjet | Republic | 1 General Electric J35-GE-7 | 1 | cancelled |
| YP-84A | Thunderjet | Republic | 1 Allison J35-A-15 | 1 | YF-84A |
| P-84B | Thunderjet | Republic | 1 Allison J35-A-15C | 1 | F-84B |
| P-84C | Thunderjet | Republic | 1 Allison J35-A-13C | 1 | F-84C |
| P-84D | Thunderjet | Republic | 1 Allison J35-A-17 | 1 | F-84D |
| XP-85 | Goblin | McDonnell | 1 Westinghouse J34 | 1 | XF-85 |
| XP-86 | North American | 1 Chevrolet J35-C-3 or 1 Allison J35-A-5/17 | 1 | XF-86 | |
| P-86A | Sabre | North American | 1 General Electric J47-GE-13 | 1 | F-86A |
| P-86B | Sabre | North American | 1 General Electric J47-GE-13 | 1 | F-86B, cancelled |
| XP-87 | Blackhawk | Curtiss | 4 Westinghouse J34-WE-7 | 2 | XA-43, XF-87 |
| XP-88 | McDonnell | 2 Westinghouse J34-WE-13 | 1 | XF-88 | |
| XP-89 | Scorpion | Northrop | 2 Allison J35-A-9 | 2 | XF-89 |
| XP-90 | Lockheed | 2 Westinghouse J34-WE-15 | 1 | XF-90 | |
| XP-91 | Thunderceptor | Republic | 1 General Electric J47-GE-3 and 1 Reaction Motors LR11-RM-9 | 1 | XF-91 |
| XP-92A | Dart | Convair | 1 Allison J33-A-29 | 1 | XF-92A |
Web Formatting - Copyright 2007 Derek Bridges
Last Updated: June 27, 2007
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