WW2 U.S. X-Plane Aircraft

Military | Aviation History

The United States was seemingly never short of both good and bad aircraft ideas during World War 2.

There are a total of [ 112 ] WW2 U.S. X-Plane Aircraft entries in the Military Factory. Entries are listed below in alphanumeric order (1-to-Z). Flag images indicative of country of origin and not necessarily the primary operator.

1/112

1944

Beechcraft XA-38 Grizzly / Destroyer

Tactical / Heavy Attack Aircraft Prototype

2/112

1946

Bell D-35

Rocket-Powered Bomber-Interceptor Proposal

3/112

1941

Bell Model 22

Single-Seat, Single-Engine Carrierborne Fighter Proposal

4/112

1945

Bell P-59 Airacomet

Jet-Powered Fighter Aircraft

5/112

1940

Bell XFL Airabonita

Carrierborne Interceptor

6/112

1937

Bell XFM Airacuda

Bomber Interceptor / Bomber Destroyer / Heavy Fighter

7/112

1940

Bell XP-52 (Model 16)

Twin-Boom Single-Seat Heavy Fighter Proposal

8/112

1943

Bell XP-59 (Model 20)

Twin-Boom Fighter Proposal

9/112

1944

Bell XP-77

Fighter Prototype Aircraft

10/112

1945

Bell XP-83

Jet-Powered Escort Fighter Aircraft Prototype

11/112

1937

Boeing B-17 Flying Fortress

Four-Engined Heavy Bomber Aircraft

12/112

1933

Boeing Model 247

Passenger Airliner / Utility Aircraft

13/112

1943

Boeing Model 386

Carrierborne Medium-Altitude Fighter Aircraft Proposal

14/112

1943

Boeing Model 387

Carrierborne High-Altitude Fighter Proposal

15/112

1943

Boeing Model 394

Carrierborne Lightweight Fighter Proposal

16/112

1943

Boeing Model 398

Carrierbased Fighter / Fighter-Bomber Aircraft Proposal

17/112

1937

Boeing XB-15 (XBLR-1 / Grandpappy)

Long Range Heavy Bomber Prototype

18/112

1943

Boeing XB-38 Flying Fortress

Strategic Heavy Bomber Aircraft Prototype

19/112

1944

Boeing XB-39 (Spirit of Lincoln)

Heavy Strategic Bomber Prototype Aircraft

20/112

1944

Boeing XF8B

Carrier-Based Long-Range Fighter Prototype

21/112

1943

Boeing YB-40 Flying Fortress

Bomber Escort Prototype Aircraft

22/112

1943

Brewster XA-32

Ground Attack / Dive Bomber Aircraft Prototype

23/112

1940

Consolidated LB-25 (series)

Heavy Bomber Design Study / Proposal

24/112

1940

Consolidated LB-26 (Medium Liberator)

Medium Bomber Proposal

25/112

1942

Consolidated XB-41 Liberator

Bomber Escort Prototype Aircraft

26/112

1949

CONVAIR XA-44 (XB-53)

Attack Platform / Medium Bomber Proposal

27/112

1947

CONVAIR XB-46

Jet-Powered Medium Bomber Prototype

28/112

1946

Curtiss P-1032-11

Hybrid Propulsion Fighter Proposal

29/112

1946

Curtiss P-1032-13

Single-Seat Jet-Powered Fighter Proposal

30/112

1946

Curtiss P-1032-7

Single-Seat, Single-Engine Jet Fighter Proposal

31/112

1946

Curtiss P-1032-9

Turbojet-Powered Fighter Proposal

32/112

1945

Curtiss P-304

Single-Seat, Single-Engine Jet-Powered Fighter Proposal

33/112

1943

Curtiss XA-40

Single-Seat, Single-Engine Light Bomber Proposal

34/112

1945

Curtiss XBTC (Model 96)

Carrierborne Torpedo / Dive Bomber Prototype

35/112

1944

Curtiss XF14C

Carrier-Borne Fighter Prototype

36/112

1945

Curtiss XF15C

Mixed-Propulsion Navy Fighter Prototype

37/112

1937

Curtiss XP-37 (Allison Hawk)

Fighter Prototype

38/112

1943

Curtiss XP-40Q (Warhawk)

Single-Seat Monoplane Fighter Prototype Aircraft

39/112

1939

Curtiss XP-42

Prototype Fighter Aircraft

40/112

1941

Curtiss XP-46

Fighter Aircraft Prototype

41/112

1940

Curtiss XP-53 (Model 88)

Lightweight Monoplane Fighter Proposal

42/112

1941

Curtiss XP-60

Single-Seat, Single-Engine Prototype Fighter Aircraft

43/112

1943

Curtiss XP-62

Single-Seat, Single-Engine Fighter Aircraft Prototype

44/112

1939

Curtiss-Wright P-241

Attack Aircraft / Light Bomber Proposal

45/112

1943

Curtiss-Wright XP-55 Ascender

Single-Seat, Single-Engine Pursuit Fighter Prototype

46/112

1943

Curtiss-Wright XP-71

Twin-Engine Heavy Fighter / Bomber Escort Aircraft

47/112

1944

Douglas Model 423

Heavy Bomber Design Proposal

48/112

1939

Douglas VTB (SD-114-6)

Carrierborne Attack Aircraft Proposal

49/112

1941

Douglas XB-19 (XBLR-2)

Heavy Bomber Aircraft Prototype

50/112

1944

Douglas XB-31 (Raidmaster) (Model 332)

Super-Heavy Bomber Aircraft Design Proposal

51/112

1944

Douglas XB-42 Mixmaster

Experimental Pusher Bomber Aircraft

52/112

1940

Douglas XP-48

Lightweight Single-Seat Point Defense Fighter Aircraft Proposal

53/112

1945

Douglas XTB2D Skypirate

Prototype Heavy Torpedo Bomber Aircraft

54/112

1943

Fisher XP-75 / P-75 Eagle

Single-Seat, Single-Engine Interceptor Prototype

55/112

1945

Goodyear F2G Super Corsair

Carrier-based Low-Altitude, High-Performance Fighter Prototype

56/112

1940

Grumman XF5F Skyrocket

Shipborne Navy Fighter Prototype

57/112

1941

Grumman XP-50 (Skyrocket)

Twin-Engine Fighter Prototype Aircraft

58/112

1945

Grumman XTB2F-1 (G-55)

Twin-Engine Carrierborne Navy Bomber Aircraft

59/112

1945

Grumman XTSF-1 (G-66)

Twin-Seat, Twin-Engine Carrierborne Torpedo Bomber Proposal

60/112

1945

Hughes H-4 Hercules (Spruce Goose)

Heavy-Lift Transport / Flying Boat Prototype

61/112

1943

Hughes Model D-2 (XP-73 / XA-37)

Heavy Fighter / Fighter-Bomber / Fast Reconnaissance Prototype

62/112

1946

Hughes XR-11 / XF-11

Long-Range Photographic Reconnaissance Aircraft Prototype

63/112

1942

Interstate Aircraft TDR

Unmanned Assault Drone

64/112

1943

Kaiser-Fleetwings BQ-2

Expendable Unmanned Assault Drone / Flying Bomb Prototype

65/112

1944

Kaiser-Fleetwings Model 47 (Squirt)

Carrierborne Mixed-Propulsion Attack Aircraft Proposal

66/112

1942

Kaiser-Fleetwings XA-39

Ground Attack Aircraft Proposal

67/112

1945

Kaiser-Fleetwings XBTK

Prototype Dive Bomber / Torpedo Bomber

68/112

1942

Lockheed L-133 Starjet

Single-Seat, Jet-Powered Fighter Proposal

69/112

1938

Lockheed L-137 (Model 8)

Strategic Long-Range Heavy Bomber Proposal

70/112

1943

Lockheed XB-30 (Model L-249)

Four-Engined Heavy Bomber Aircraft Proposal

71/112

1942

Lockheed XP-49

High-Altitude Fighter Prototype

72/112

1944

Lockheed XP-58 Chain Lightning

High-Altitude Interceptor / Close Air Support Aircraft

73/112

1941

Martin Model 174

Light Bomber / Attack Aircraft Proposal

74/112

1939

Martin Model 177

Dedicated Attack Aircraft Proposal

75/112

1939

Martin Model 179

Twin-Engine Medium Bomber Proposal

76/112

1943

Martin Model 194

Four-Engined, Long-Range Heavy Bomber Proposal

77/112

1943

Martin Model 201

Tactical Attack Aircraft Proposal

78/112

1939

Martin XB-27 (Model 182)

High-Altitude Medium Bomber Proposal

79/112

1942

Martin XB-33 Super Marauder (Model 189)

Proposed High-Altitude Medium / Heavy Bomber

80/112

1943

McDonnell XP-67 Bat / Moonbat

Long-Range Interceptor Prototype

81/112

1941

Naval Aircraft Factory Model A

Single-Seat, Single-Engine Naval Fighter Proposal

82/112

1941

Naval Aircraft Factory Model B

Single-Seat, Twin-Boom Naval Fighter Proposal

83/112

1943

North American NA-116

Four-Engined Heavy Bomber Proposal

84/112

1939

North American NA-40

Attack Aircraft / Light Bomber Prototype

85/112

1942

North American XB-28 (Dragon)

High-Altitude, Medium Fast Bomber Prototype

86/112

1941

Northrop N-1M

Flying Wing Research Aircraft

87/112

1942

Northrop N-9M

Flying Wing Prototype Aircraft

88/112

1946

Northrop XB-35 / YB-35

Flying Wing Strategic Bomber Prototype

89/112

1943

Northrop XP-56 Black Bullet

Pursuit Fighter Prototype

90/112

1945

Northrop XP-61E (Black Widow)

Long-Range Bomber Escort / Heavy Day Fighter Aircraft

91/112

1945

Northrop XP-79

Bomber-Rammer / Bomber-Interceptor

92/112

1943

Piasecki PV-2

Helicopter Technology Demonstrator

93/112

1940

Republic P-44 (Rocket)

Single-Seat, Single-Engine Pursuit Fighter / Interceptor Aircraft

94/112

1946

Republic P-47 (Turbobolt)

Jet-Powered Fighter / Interceptor Aircraft Concept

95/112

1946

Republic XF-12 Rainbow

Strategic Reconnaissance Aircraft

96/112

1945

Republic XP-47H Thunderbolt

High-Performance Fighter Prototype Aircraft

97/112

1943

Republic XP-69

High-Speed, High-Altitude Single-Seat Fighter Concept

98/112

1944

Republic XP-72 Ultrabolt

Prototype High-Altitude Fighter / Interceptor

99/112

1939

Seversky XP-41

Single-Seat, Single-Engine Fighter Prototype

100/112

1938

Stearman XA-21

Ground Attack Aircraft Prototype

101/112

1940

Tucker XP-57 (Peashooter)

Bomber Interceptor / Fighter Proposal

102/112

1942

Vought V-173 (Flying Pancake)

Experimental Fighter Aircraft

103/112

1946

Vought V-340

Single-Seat, Jet-Powered Carrierbased Fighter Aircraft Proposal

104/112

1939

Vought VS-302

Twin-Engine Medium Bomber Proposal

105/112

1941

Vought VS-319

Carrierborne Attack Aircraft Proposal

106/112

1943

Vought XF5U (Flying Flapjack)

Experimental Fighter Aircraft

107/112

1941

Vultee P-1015

High-Altitude Interceptor Aircraft Proposal

108/112

1944

Vultee XA-41

Dive Bomber / Low-Level Attack Aircraft

109/112

1943

Vultee XP-54 Swoose Goose

Single-Seat, Twin-Boom Fighter Prototype Aircraft

110/112

1941

Vultee XP-68 Tornado (Swoose Goose)

Single-Seat, Twin-Boom Fighter Aircraft Proposal

111/112

1945

Vultee XP-81

Mixed-Power Fighter Prototype Aircraft

112/112

1941

Wallace-Martin Model A

Carrierborne Heavy Fighter Proposal

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