P-1 | Curtiss P-1 Hawk |  (by Wikimedia, Author, Rights refer to here)
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| Curtiss P-1A Hawk, Curtiss P-1B Hawk |
P-2 | Curtiss P-2 Hawk |  (by Wikimedia, Author, Rights refer to here)
| Variant of the Curtiss P-1 |
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| Curtiss P-2 Hawk |
P-3 | Curtiss P-3 Hawk |  (by Wikimedia, Author, Rights refer to here)
| Variant of the Curtiss P-1 |
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XP-4 | Boeing XP-4 |  (by Wikimedia, Author, Rights refer to here)
| Also the Hawk series included an XP-4 |
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P-5 | Curtiss P-5 Superhawk |  (by Wikimedia, Author, Rights refer to here)
| Variant of the Curtiss P-1 |
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P-6 | Curtiss P-6 Hawk |  (by Wikimedia, Author, Rights refer to here)
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| P6E Hawk, P6E Hawk |
XP-7 | Boeing XP-7 |  (by Wikimedia, Author, Rights refer to here)
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XP-8 | Boeing XP-8 |  (by Wikimedia, Author, Rights refer to here)
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XP-9 | Boeing XP-9 |  (by Wikimedia, Author, Rights refer to here)
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XP-10 | Curtiss XP-10 |  (by Wikimedia, Author, Rights refer to here)
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P-11 | Curtiss P-11 | | | |
P-12 | Boeing P-12 |  (by Wikimedia, Author, Rights refer to here)
| see also the Navy version F4B |
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| Boeing P-12 E |
XP-13 | Thomas-Morse XP-13 Viper |  (by Wikimedia, Author, Rights refer to here)
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XP-14 | Thomas-Morse XP-14 | | | |
XP-15 | Boeing XP-15 |  (by Wikimedia, Author, Rights refer to here)
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P-16 | Berliner-Joyce P-16 |  (by Wikimedia, Author, Rights refer to here)
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XP-17 | Curtiss XP-17 Hawk |  (by Wikimedia, Author, Rights refer to here)
| Variant of the Curtiss P-1 |
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XP-18 | Curtiss XP-18 | | | |
XP-19 | Curtiss XP-19 | | | |
YP-20 | Curtiss YP-20 |  (by Wikimedia, Author, Rights refer to here)
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XP-21 | Curtiss XP-21 Hawk | Variant of the Curtiss P-1 | | |
XP-22 | Curtiss XP-22 |  (by Wikimedia, Author, Rights refer to here)
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XP-23 | Curtiss XP-23 |  (by Wikimedia, Author, Rights refer to here)
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YP-24 | Detroit-Lockheed YP-24 |  (by Wikimedia, Author, Rights refer to here)
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Y1P-25 | Consolidated Y1P-25 |  (by Wikimedia, Author, Rights refer to here)
| Variant of the Consolidated P-30 |
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P-26 | Boeing P-26 |  (by Wikimedia, Author, Rights refer to here)
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| P26 Peashooter, P26 Peashooter, P26 Peashooter, P26 Peashooter, P26 Peashooter, P26 Peashooter |
YP-27 | Consolidated YP-27 | Variant of the Consolidated P-30 | | |
Y1P-28 | Consolidated Y1P-28 | Variant of the Consolidated P-30 | | |
P-29 | Boeing P-29 |  (by Wikimedia, Author, Rights refer to here)
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P-30 | Consolidated P-30 | _in_flight_060907-F-1234P-007.jpg/160px-Consolidated_P-30_(PB-2)_in_flight_060907-F-1234P-007.jpg) (by Wikimedia, Author, Rights refer to here)
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XP-31 | Curtiss XP-31 |  (by Wikimedia, Author, Rights refer to here)
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| | XP31 Swift |
XP-32 | Boeing XP-32 | | | |
XP-33 | Consolidated XP-33 | Variant of the Consolidated P-30 | | |
XP-34 | Wedell-Williams XP-34 | | | |
P-35 | Seversky P-35 |  (by Wikimedia, Author, Rights refer to here)
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| P35A, P35 |
P-36 | Curtiss P-36 Hawk |  (by Wikimedia, Author, Rights refer to here)
| Curtiss Hawk 75 |
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| Curtiss Hawk 75, Curtiss Hawk 75, Curtiss Hawk 75 M/N/O, Curtiss Hawk 75 P36A, Curtiss Hawk 75A, Curtiss Hawk 75 Free French |
YP-37 | Curtiss YP-37 |  (by Wikimedia, Author, Rights refer to here)
| Variant of the Curtiss P-36 |
| | XP37 |
P-38 | Lockheed P-38 Lightning |  (by Wikimedia, Author, Rights refer to here)
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| P38, Lightning P-322 I, P38J Droop Snoot, P-38 M/J Lightning |
P-39 | Bell P-39 Airacobra |  (by Wikimedia, Author, Rights refer to here)
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| Base type P39 P-39 Cobra II Racer, P-39Q Airacobra |
P-40 | Curtiss P-40 | Warhawk, Tomahawk, Kittyhawk |
| Base type P40 P40B Tomahawk Flying Tiger, P40B Tomahawk, P40 Kittyhawk, P40 Tomahawk Soviet Navy, P40 Warhawk Skull, P40E Warhawk Aleutian Tigers, P40E Warhawk Aleutian Tigers, P40E Kittyhawk, P40EA Klimov, P40E Warhawk, P40M Warhawk, P40N Warhawk Roosters, P40N Warhawk |
XP-41 | Seversky XP-41 |  (by Wikimedia, Author, Rights refer to here)
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XP-42 | Curtiss XP-42 |  (by Wikimedia, Author, Rights refer to here)
| Variant of the Curtiss P-36 |
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| XP42 |
P-43 | Republic P-43 Lancer |  (by Wikimedia, Author, Rights refer to here)
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| | P43 Lancer |
P-44 | Republic P-44 Rocket | Proposed development of P-43; not built | | |
P-45 | Bell P-45 | Renamed Bell P-39C | | |
XP-46 | Curtiss XP-46 |  (by Wikimedia, Author, Rights refer to here)
| Variant of the Curtiss P-40 |
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P-47 | Republic P-47 / F-47 Thunderbolt | |
| Base type P47 P47, P47D, P47D, P47D, P47D, P47D-30 Senta à Púa, P47D-30, P47M |
XP-48 | Douglas XP-48 |  (by Wikimedia, Author, Rights refer to here)
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XP-49 | Lockheed XP-49 |  (by Wikimedia, Author, Rights refer to here)
| Variant of the P-38 |
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XP-50 | Grumman XF5F Skyrocket |  (by Wikimedia, Author, Rights refer to here)
| Variant of the Grumman XF5F |
| | XF5F-1 Skyrocket |
P-51 | North American P-51 / F-51 Mustang | |
| Base type P51 |
XP-52 | Bell XP-52 | | | |
XP-53 | Curtiss XP-53 | Variant of the Curtiss P-46 | | |
XP-54 | Vultee XP-54 Swoose Goose |  (by Wikimedia, Author, Rights refer to here)
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| | XP54 Swoose Goose |
XP-55 | Curtiss-Wright XP-55 |  (by Wikimedia, Author, Rights refer to here)
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XP-56 | Northrop XP-56 Black Bullet |  (by Wikimedia, Author, Rights refer to here)
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| | XP56 Black Bullet II |
XP-57 | Tucker XP-57 | | | |
XP-58 | Lockheed XP-58 Chain Lightning |  (by Wikimedia, Author, Rights refer to here)
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P-59 | Bell P-59 |  (by Wikimedia, Author, Rights refer to here)
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| | YP59 Airacomet |
YP-60 | Curtiss X/YP-60 | _061024-F-1234P-013.jpg/160px-Curtiss_XP-60_in_flight_(from_XP-53_design)_061024-F-1234P-013.jpg) (by Wikimedia, Author, Rights refer to here)
| Modelle 90 und 95, modifizierte Entwürfe der P-40D, nur Prototypen |
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P-61 | Northrop P-61 Black Widow | | | P61B Black Widow |
XP-62 | Curtiss XP-62 |  (by Wikimedia, Author, Rights refer to here)
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P-63 | Bell P-63 Kingcobra | | | P63 Kingcobra |
P-64 | North American P-64 Torito | | | |
XP-65 | Grumman XP-65 | Variant of the XP-50, none built | | |
P-66 | Vultee P-66 Vanguard |  (by Wikimedia, Author, Rights refer to here)
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| Vultee Vanguard V48, P66 Vanguard |
XP-67 | McDonnell XP-67 Moonbat | | | XP67 Moonbat |
XP-68 | Vultee XP-68 | | | |
XP-69 | Republic XP-69 |  (by Wikimedia, Author, Rights refer to here)
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P-70 | Douglas P-70 |  (by Wikimedia, Author, Rights refer to here)
| Variant of the Douglas A-20 |
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| P70 |
XP-71 | Curtiss XP-71 |  (by Wikimedia, Author, Rights refer to here)
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XP-72 | Republic XP-72 |  (by Wikimedia, Author, Rights refer to here)
| Variante der P-47 mit R-4360 Motor. Inoffizieller Name Ultra Bolt. Die finale Version sollte die Flächen der P-47N haben. (1000) |
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XP-73 | Hughes XP-73 | | | |
P-75 | Fisher P-75 Eagle | _061024-F-1234P-043.jpg/160px-Fisher_XP-75-GM_In_flight_(SN_43-46950,_1st_aircraft_built)_061024-F-1234P-043.jpg) (by Wikimedia, Author, Rights refer to here)
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| P75A Eagle, XP-75 Eagle |
XP-76 | Bell XP-76 | Temporary name of the P-39E before named P-63 | | |
XP-77 | Bell XP-77 |  (by Wikimedia, Author, Rights refer to here)
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| | XP77 |
XP-78 | North American XP-78 | | | |
XP-79 | Northrop XP-79 |  (by Wikimedia, Author, Rights refer to here)
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| | XP79 |
P-80 | Lockheed P-80 / F-80 | |
| Base type P80 |
XP-81 | Convair XP-81 |  (by Wikimedia, Author, Rights refer to here)
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| | XP-81 |
P-82 | North American P-82 / F-82 Twin Mustang | .jpg/160px-F-82_and_P-51_in_formation_(060728-F-1234S-017).jpg) (by Wikimedia, Author, Rights refer to here)
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| | F82 Twin Mustang |
XP-83 | Bell XP-83 | .jpg/160px-Bell_XP-83_S-N_44-84990_(060728-F-1234S-025).jpg) (by Wikimedia, Author, Rights refer to here)
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XP-84 | Republic F-84 | |
| Base type F84 F84F Thunderstreak, F84G Thunderbirds |
XF-85 | McDonnell XF-85 Goblin |  (by Wikimedia, Author, Rights refer to here)
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| | XF85 Goblin |
F-86 | North American F-86 Sabre | Die F-86 wurde auf Basis der FJ Fury mit vereinfachten Anforderungen ab Frühjahr 1945 entwickelt. Den Durchbruch besserer Leistung alls Fury/P-80/P-84 erreichte der Entwurf aber erst durch Verwendung des Flügelprofils der Me 262 HG II. |

| Base type F86 F86 Sabre Richthofen |
XF-87 | Curtiss XP-87 / XF-87 Blackhawk |  (by Wikimedia, Author, Rights refer to here)
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| | XP-87 Blackhawk |
XF-88 | McDonnell XF-88 | _in_flight_060728-F-1234S-037.jpg/160px-McDonnell_XF-88_(SN_46-525)_in_flight_060728-F-1234S-037.jpg) (by Wikimedia, Author, Rights refer to here)
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F-89 | Northrop F-89 | |

| F89 D, F89J |
XF-90 | Lockheed XF-90 |  (by Wikimedia, Author, Rights refer to here)
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| | XF90 |
XF-91 | Republic XF-91 |  (by Wikimedia, Author, Rights refer to here)
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XF-92 | Convair XF-92 |  (by Wikimedia, Author, Rights refer to here)
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| XF92 Dart |
YF-93 | North American F-93 |  (by Wikimedia, Author, Rights refer to here)
| Variant of the North American F-86 |
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F-94 | Lockheed F-94 Starfire | |

| F-94C-1-LO Starfire, F94 B Starfire |
YF-95 | North American YF-95 | Variant of the North American F-86 | | |
YF-96 | Republic YF-96 | Original designation of the F-84F | | |
F-97 | Lockheed F-97 | Variant of the Lockheed F-94 | | |
XF-98 | AIM-26 Falcon | Variant of the AIM-26 Falcon | | |
XF-99 | Bomarc |  (by Wikimedia, Author, Rights refer to here)
| Variant of the Bomarc |
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F-100 | North American F-100 Super Sabre | |

| F100 D Super Sabre, F-100 C Super Sabre, F-100 C Super Sabre (Boxscale) |
F-101 | McDonnell F-101 Voodoo | |

| F101 Voodoo |
F-102 | Convair F-102 Delta Dagger | | | F102 A Delta Dagger |
XF-103 | Republic XF-103 |  (by Wikimedia, Author, Rights refer to here)
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F-104 | Lockheed F-104 Starfighter | |

| F104S, CF104, N104RB, F104 diverse, F104G, F104G |
F-105 | Republic F-105 Thunderchief, Wild Weasel | |

| F105G Wild Weasel, F105 Thunderbirds |
F-106 | Convair F-106 Delta Dart | | | F106 Delta Dart |
F-107 | North American F-107 |  (by Wikimedia, Author, Rights refer to here)
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| | F107 |
XF-108 | North American XF-108 |  (by Wikimedia, Author, Rights refer to here)
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XF-109 | Bell XF-109 |  (by Wikimedia, Author, Rights refer to here)
| Die Bezeichnung F-109 wurde nie offiziell vergeben. Zeitweise wurden die Ryan X-13, McDonnel F-101 und zuletzt die Bell D188A als XF-109 bezeichnet.(1001) |
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F-110 | McDonnell F-110 Phantom | First designation of the McDonnell F-4 | | |
F-111 | General Dynamics F-111 Aardvark | |

| F111, EF-111A Raven, F-111E/F Aardvark |