P-3Curtiss P-3 Hawk
Variant of the Curtiss P-1
XP-4Boeing XP-4 Model 15 Also the Hawk series included an XP-4
P-5Curtiss P-5 Superhawk
Variant of the Curtiss P-1
XP-7Boeing XP-7
XP-8Boeing XP-8
XP-9Boeing XP-9
XP-10Curtiss XP-10
P-11
Curtiss P-11
XP-13Thomas-Morse XP-13 Viper
XP-14
Thomas-Morse XP-14
XP-15Boeing XP-15
P-16Berliner-Joyce P-16
XP-17Curtiss XP-17 Hawk
Variant of the Curtiss P-1
XP-18
Curtiss XP-18
XP-19
Curtiss XP-19
YP-20Curtiss YP-20
XP-21Curtiss XP-21 Hawk
Variant of the Curtiss P-1
XP-22Curtiss XP-22
XP-23Curtiss XP-23
YP-24Detroit-Lockheed YP-24
Y1P-25Consolidated Y1P-25
Variant of the Consolidated P-30
P-26Boeing P-26
Base type
P26 YP-27
Consolidated YP-27
Variant of the Consolidated P-30
Y1P-28
Consolidated Y1P-28
Variant of the Consolidated P-30
P-29Boeing P-29
P-30Consolidated P-30
_in_flight_060907-F-1234P-007.jpg)
XP-32
Boeing XP-32
XP-33
Consolidated XP-33
Variant of the Consolidated P-30
XP-34
Wedell-Williams XP-34
YP-37Curtiss YP-37
Variant of the Curtiss P-36
XP37 P-39Bell P-39 Airacobra
Base type
P39 P-40Curtiss P-40 Warhawk, Tomahawk, Kittyhawk
Base type
P-40 / Tomahawk Mk I USA, GB
P-40B / Tomahawk Mk IIA USA, GB, China, SU
P-40C / Tomahawk Mk IIB USA, GB, SU
P-40D / Kittyhawk Mk I USA, GB, Türkei
P-40E / Kittyhawk Mk IA USA, GB, Australien, Neuseeland, Südafrika, Türkei, China, SU, Japan
P-40F / Kittyhawk Mk II USA, GB, Frankreich
P-40L / Kittyhawk Mk IIA USA, GB, SU
P-40K / Kittyhawk Mk III USA, GB, Australien, Südafrika, SU
P-40M / Kittyhawk Mk IIIA USA, GB, Australien, Neuseeland
P-40N / Kittyhawk Mk IV USA, GB, Australien, Neuseeland, Chile, SU, NL
Version ? Peru, Brasilien, Ägypten, Iran, Indien, Finnland XP-41Seversky XP-41
XP-42Curtiss XP-42
Variant of the Curtiss P-36
XP42 P-44
Republic P-44 Rocket Proposed development of P-43; not built
P-45
Bell P-45 Renamed Bell P-39C
XP-46Curtiss XP-46
Variant of the Curtiss P-40
P-47Republic P-47 / F-47 Thunderbolt
Base type
P47 XP-48Douglas XP-48
XP-49Lockheed XP-49
Variant of the P-38
P-51North 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-57
Tucker XP-57
XP-58Lockheed XP-58 Chain Lightning
YP-60Curtiss X/YP-60 Modelle 90 und 95, modifizierte Entwürfe der P-40D, nur Prototypen
_061024-F-1234P-013.jpg)
XP-62Curtiss XP-62
XP-65
Grumman XP-65
Variant of the XP-50, none built
XP-68
Vultee XP-68
XP-69Republic XP-69
P-70Douglas P-70
Variant of the Douglas A-20
P70 XP-71Curtiss XP-71
XP-72Republic XP-72
Variante der P-47 mit R-4360 Motor. Inoffizieller Name Ultra Bolt. Die finale Version sollte die Flächen der P-47N haben.
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XP-73
Hughes XP-73 Hughes Model D-2 (XP-73 / XA-37)
XP-76
Bell XP-76 Temporary name of the P-39E before named P-63
XP-77Bell XP-77
XP77 XP-78
North American XP-78
XP-79Northrop XP-79
XP79 P-80Lockheed P-80 / F-80
Base type
P80 XP-83Bell XP-83
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XP-84 / F-84Republic F-84
Base type
F84 F-86North 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 XF-88McDonnell XF-88
_in_flight_060728-F-1234S-037.jpg)
XF-90Lockheed XF-90
XF90 XF-91Republic XF-91
YF-93North American F-93
Variant of the North American F-86
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-99Bomarc Bomarc CIM-10 AA Missile
Kit candidate: CIM-10A BOMARC by SOVA-M
XF-103Republic XF-103
F-107North American F-107
F107 XF-108North American XF-108
XF-109Bell XF-109 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.
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F-110
McDonnell F-110 Phantom First designation of the McDonnell F-4
XFA
General Aviation XFA
F2ABrewster F2A Buffalo
Base type
Buffalo F3AChance Vought F3A F4U produced at Brewster
Base type
F4U FBBoeing FB
Variant of the Boeing Modell 15. FB, FB-2…FB-5
F2BBoeing F2B
XF5B
Boeing XF5B
Variant of the Boeing XP-15
XF6B
Boeing XF6B
XF7B
Boeing XF7B
Variant of the Boeing P-29
FC
Curtiss FC
F2C
Curtiss F2C
F3C
Curtiss F3C
Variant of the Curtiss R3C-2
F4C
Curtiss F4C
F5C
Curtiss F5C
F6C
Curtiss F6C
F8C
Curtiss F8C Variante der Curtiss Falcon
F10C
Curtiss F10C
XF12C
Curtiss XF12C
XF13C
Curtiss XF13C
XF14C
Curtiss XF14C
XF15C
Curtiss XF15C
XFD
Douglas XFD
F5D
Douglas F5D
FFGrumman FF
Varianten FF (als FF-1) Trägerjäger, FF-2 Trainer, SF-1 Aufklärer auf Lexington VS-3B, G-23 Export
Grumman FF-1 F2F
Grumman F2F
F3FGrumman F3F One modified as an acrobatic plane as G-22 Gulfhawk II
F3F-1,
F3F,
F3F-3 F4FGrumman F4F Wildcat
Base type
F4F XF5F
Grumman XF5F
F9FGrumman F9F Panther, Cougar
Base type
F9F XF10F
Grumman XF10F Tiger
XF12F
Grumman XF12F
XFG
Eberhart XFG
XF2G
Eberhart XF2G
XFH
Hall XFH
F4H
McDonnell F4H see McDonnell F-4
FJ-4North American FJ-4
Variant of the F-86
FJ4B Fury XFJ
Berliner-Joyce XFJ
XF2J
Berliner-Joyce XF2J
Variant of the Berliner-Joyce P-16
XF3J
Berliner-Joyce XF3J
XFL
Loening XFL
F2L
Bell F2L
Variant of the Bell P-63
XF3L
Bell XF3L
Variant of the Bell XF-109
FMGrumman FM
Variant of the Grumman F4F
Base type
F4F F2MGrumman F2M
Variant of the Grumman F4F
Base type
F4F Similar type
F3MGrumman F3M
Variant of the Grumman F8F
Similar type
F8F Bearcat FN
Seversky FN
Variant of the Seversky P-35
FO
Lockheed FO
Variant of the Lockheed P-38
XFT
Northrop XFT
F2T
Northrop F2T
Variant of the Northrop P-61
FU
Vought FU
XF2U
Vought XF2U
XF3U
Vought XF3U
F4UChance Vought F4U Corsair
Base type
F4U XF5UVought XF5U Flapjack Die V173 Pancake diente zur Technologieuntersuchung. Parallel dazu wurde bereits die XF5U als Jäger-Prototyp untersucht. Diese war etwas grösser und deutlich schwerer, führte aber nur Rollversuche durch. Die Probleme mit den Getrieben sowie das Kriegsende beendeten das Projekt.
Chance Vought V173 Pancake XFV
Lockheed XFV-1
WP-1
Wright Pursuit, Dornier H Falke
XB-1Huff-Daland XB-1
(209) B-2
Curtiss B-2 Condor
B-3
Keystone B-3
B-4
Keystone B-4
B-5
Keystone B-5
B-6
Keystone B-6
XB-7
Douglas XB-7
XB-8
Fokker XB-8
YB-9
Boeing YB-9
YB-11
Douglas YOA-5
Variant of the Douglas YOA-5
B-12Martin B-10
Variant of the Martin B-10
Similar type
B10B XB-13Martin B-10
Variant of the Martin B-10
Similar type
B10B XB-14Martin B-10
Variant of the Martin B-10
Similar type
B10B XB-15
Boeing XB-15
XB-16
Martin XB-16
B-18Douglas B-18 Bolo
Base type
B-18 Y1B-20
Boeing Y1B-20 Havoc
XB-21
North American XB-21
XB-22
Douglas XB-22
B-23
Douglas B-23 Dragon
XB-27
Martin XB-27
XB-28
North American XB-28 Dragon
XB-30
Lockheed XB-30
XB-31
Douglas XB-31
B-32
Consolidated B-32 Dominator
XB-33
Martin XB-33 Super Marauder
XB-38
Boeing XB-38 Flying Fortress
Variante der B-17
XB-39
Boeing XB-39 Superfortress
YB-40
Boeing YB-40 Flying Fortress Escort bomber variant of the B-17
XB-41
Consolidated XB-41 Liberator Escort bomber variant of the B-24
XB-44
Boeing XB-44 Superfortress
B-45
North American B-45 Tornado
XB-46
Convair XB-46
XB-48
Martin XB-48
B-50
Boeing B-50 Superfortress
XB-51
Martin XB-51
XB-53
Convair XA-44
Variant of the Convair XA-44
B-54
Boeing B-54
XB-55
Boeing XB-55
B-56
Boeing B-56
XB-59
Boeing XB-59
YB-60
Convair YB-60
B-62
SM-62 Snark
Variant of the SM-62 Snark
B-63
GAM-63 RASCAL
Variant of the GAM-63 RASCAL
B-64
SM-64 Navaho
Variant of the SM-64 Navaho
B-65
Atlas (Rakete)
Variant of the Atlas (Rakete)
XB-67
GAM-67 Crossbow
Variant of the GAM-67 Crossbow
XB-68
Martin XB-68 Titan
RB-69
Lockheed B-69 Neptune
Variant of the Lockheed P-2
SR-71 / B-71Lockheed SR-71 Blackbird The bomber version B-71 of the A-12 never materialized
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SR71 B-72
McDonnell ADM-20
Variant of the McDonnell ADM-20
B-73
XSM-73 Goose
Variant of the XSM-73 Goose
B-75
Thor (Rakete)
Variant of the Thor (Rakete)
B-76
Martin Mace
Variant of the Martin Mace
B-77
AGM-28 Hound Dog
Variant of the AGM-28 Hound Dog
B-78
PGM-19 Jupiter
Variant of the PGM-19 Jupiter
A-1
nicht zugeordnet Not assigned to avoid confusion with the Cox-Klemin XA-1
XA-2
Douglas XA-2
A-3
Curtiss Falcon
Variant of the Curtiss Falcon
A-4
Curtiss Falcon
Variant of the Curtiss Falcon
A-5
Curtiss Falcon
Variant of the Curtiss Falcon
A-6
Curtiss Falcon
Variant of the Curtiss Falcon
XA-7
Fokker XA-7
XA-9
Lockheed YP-24
Variant of the Lockheed YP-24
YA-10
Curtiss YA-10 Shrike
A-11
Consolidated A-11
XA-14
Curtiss XA-14
XA-15Martin B-10
Variant of the Martin B-10
Similar type
B10B XA-16
Northrop YA-13
Variant of the Northrop YA-13
A-18
Curtiss A-18 Shrike
XA-21
Stearman XA-21
A-27North American A-27 Attack version of the BC-1 (T-6)
Base type
T6 Similar type
A-28Lockheed A-28 Hudson
Variant of the Lockheed Hudson
Hudson 1/700 A-29Lockheed A-29 Hudson
Variant of the Lockheed Hudson
Hudson XA-32
Brewster XA-32
A-36North American A-36 Apache/Invader
Variant of the P-51 Mustang
A-36A Apache XA-37
Hughes D-2
Variant of the Hughes D-2
XA-38
Beechcraft XA-38 Grizzly
XA-39
Kaiser-Fleetwings XA-39
XA-40
Curtiss XA-40
XA-41
Vultee XA-41
XA-42
Douglas A-42 Mixmaster
Variant of the Douglas XB-42
XA-43
Curtiss-Wright XA-43 Blackhawk developped to XP/XF-87
XA-44
Convair XA-44
XA-45
Martin XB-51
Variant of the Martin XB-51
X-1Bell X-1 Manufacturer/Agency: Bell Aircraft. USAF, NACA Maiden flight January 19, 1946; High-speed and high-altitude testing.. First aircraft to break the sound barrier. Proved aerodynamic viability of thin wing sections.
Bell X1 X-2Bell X-2 "Starbuster" Manufacturer/Agency: Bell Aircraft. USAF Maiden flight June 27, 1952; Mach 3
Bell X2 X-3Douglas X-3 Stiletto Manufacturer/Agency: Douglas Aircraft. USAF, NACA Maiden flight October 27, 1952; Titanium alloy construction; low aspect ratio wings.. Planned to test long-duration high-speed flight.. Incapable of reaching design speed, but Provided insights into inertia coupling.
X3 Stiletto (Boxscale),
X3 Stiletto X-4Northrop X-4 Bantam Manufacturer/Agency: Northrop. USAF, NACA Maiden flight December 15, 1948; Evaluated handling characteristics of tailless aircraft in the transonic speed region.
Northrop X-4 Bantam X-5Bell X-5 Manufacturer/Agency: Bell Aircraft. USAF, NACA Maiden flight June 20, 1951; variable geometry wings.
Bell X5 X-6Convair X-6 Manufacturer/Agency: AEC Maiden flight Not flown; NB-36H testbed tested reactor.
X-7Lockheed X-7 "Flying Stove Pipe" Manufacturer/Agency: Lockheed. Tri-service Maiden flight 17257; High-speed testbed for ramjet engines.
X-8Aerojet General X-8 Aerobee Manufacturer/Agency: Aerojet, NACA, USAF, USN Maiden flight ; Upper air research vehicle and sounding rocket.
X-9Bell X-9 Shrike Manufacturer/Agency: Bell Aircraft. USAF Maiden flight 16527; Guidance and propulsion technology testbed.. Assisted development of GAM-63 Rascal missile.
X-10North American X-10 Manufacturer/Agency: North American Aviation. USAF Maiden flight October 13, 1953; Testbed for SM-64 Navajo missile.
X-11Convair X-11 Manufacturer/Agency: Convair. USAF Maiden flight June 11, 1957; Testbed for SM-65 Atlas missile.
X-12Convair X-12 Manufacturer/Agency: Convair. USAF Maiden flight July, 1958; Advanced testbed for SM-65 Atlas missile.
X-13Ryan X-13 Vertijet Manufacturer/Agency: Ryan Aeronautical. USAF, USN Maiden flight December 10, 1955; VTOL testbed.. Evaluated tailsitting configuration for VTOL flight.
Ryan X13 Vertijet X-14Bell X-14 Manufacturer/Agency: Bell Aircraft. USAF, NASA Maiden flight February 19, 1957; VTOL testbed.. Examined the vectored thrust configuration for VTOL flight.
X-15North American X-15 Manufacturer/Agency: North American Aviation. USAF, NASA Maiden flight June 8, 1959; Hypersonic (Mach 6), high-altitude testing.First manned hypersonic aircraft; capable of suborbital spaceflight.
X15 X-16
Bell X-16 Manufacturer/Agency: Bell Aircraft. USAF Maiden flight Never flew; High-altitude reconnaissance aircraft project.
X-17Lockheed X-17 Manufacturer/Agency: Lockheed. USAF, USN Maiden flight 19084; reentry
X-18Hiller X-18 Manufacturer/Agency: Hiller Aircraft. USAF, USN Maiden flight November 24, 1959; VTOL/Short take-off and vertical landing (STOVL) testbed. Evaluated the tiltwing concept for VTOL flight.
X-19Curtiss-Wright X-19 Manufacturer/Agency: Curtiss-Wright. Tri-service Maiden flight 21854; Tandem tiltrotor VTOL transport testbed.
X-20Boeing X-20 Dyna-Soar Dyna-Soar Manufacturer/Agency: Boeing. USAF Maiden flight Never built; Reusable spaceplane for military missions.
Kit candidate: Boeing X-20 Dyna-Soar by AMP
X-21Northrop X-21 Manufacturer/Agency: Northrop. USAF Maiden flight April 18, 1963; Boundary layer control testbed.
X-22Bell X-22 Manufacturer/Agency: Bell Aircraft. Tri-service Maiden flight March 17, 1966; Quad ducted fan tiltrotor STOVL testbed.
X-23Martin Marietta X-23>X-23. PRIME Manufacturer/Agency: Martin Marietta. USAF Maiden flight December 21, 1966; Manuvering atmospheric reentry effects testbed.
X-24Martin-Marietta X-24 Manufacturer/Agency: Martin Marietta. USAF, NASA Maiden flight August 1, 1973; Low-speed lifting body handling testbed.. Lifting body aerodynamic shape trials.
X-25Bensen B-8 Manufacturer/Agency: Benson. USAF Maiden flight December 6, 1955; Light autogyro for emergency use by downed pilots.
X-26Schweizer X-26 Frigate Manufacturer/Agency: Schweizer. DARPA, US Army, USN Maiden flight 1967; glider for yaw-roll coupling. Quiet observation aircraft testbed.
X-27Lockheed CL-1200 Manufacturer/Agency: Lockheed Maiden flight Never flew; High performance fighter prototype.
X-28Osprey X-28 Sea Skimmer Manufacturer/Agency: Osprey Aircraft. USN Maiden flight August 12, 1970; Inexpensive aerial policing seaplane testbed.
X-29Grumman X-29 Manufacturer/Agency: Grumman. DARPA, USAF, NASA Maiden flight 1984; Forward-swept wing testbed.
X29A X-30Rockwell X-30 NASP Manufacturer/Agency: Rockwell. NASA, DARPA, USAF Maiden flight Never built; Single stage to orbit spaceplane prototype.
X-31Rockwell-MBB X-31 Manufacturer/Agency: BdV Maiden flight 1990; Thrust vectoring supermaneuverability testbed.ESTOL testbed.
X-32Boeing X-32 Manufacturer/Agency: RAF Maiden flight 35308; Joint Strike Fighter prototype.
X32 JSF X-33Lockheed Martin X-33 Venture Star Manufacturer/Agency: Lockheed Martin. NASA Maiden flight Prototype never completed; Half-scale reusable launch vehicle prototype.
X-34Orbital Sciences X-34 Manufacturer/Agency: Orbital Sciences. NASA Maiden flight Never flew; Reusable unmanned spaceplane testbed.
X-35Lockheed Martin X-35 Manufacturer/Agency: Lockheed Martin. USAF, USN, RAF Maiden flight 2000; Joint Strike Fighter prototype.
X-36McDonnell Douglas X-36 Manufacturer/Agency: McDonnell Douglas/Boeing. NASA Maiden flight May 17, 1997; tailless fighter testbed.
X-37Boeing X-37 Manufacturer/Agency: Boeing. USAF, NASA Maiden flight April 7, 2006 (drop test). April 22, 2010 (orbital flight); Reusable orbital spaceplane.
X-38NASA X-38 Manufacturer/Agency: Scaled Composites. NASA Maiden flight 1999; Lifting body Crew Return Vehicle demonstrator.
X38 (1/144) X-39
Manufacturer/Agency: Unknown. USAF Maiden flight Unknown; Future Aircraft Technology Enhancements (FATE) program.. ''Note: Designation never officially assigned.''
X-40Boeing X-40 Manufacturer/Agency: Boeing. USAF, NASA Maiden flight August 11, 1998; 80% scale Space Maneuver Vehicle testbed.. X-37 prototype.
X-41
X-41 Common Aero Vehicle Manufacturer/Agency: Unknown. USAF Maiden flight Unknown; Maneuvering re-entry vehicle.
X-42
X-42 Pop-Up Upper Stage Manufacturer/Agency: Unknown. USAF Maiden flight Unknown; liquid propellant upper stage rocket.
X-43NASA X-43 Hyper-X Manufacturer/Agency: Microcraft. NASA Maiden flight June 2, 2001; Scramjet hypersonic testbed.
X-44
Lockheed-Martin X-44 MANTA Manufacturer/Agency: Lockheed Martin. USAF, NASA Maiden flight Cancelled; F-22-based Multi-Axis No-Tail Aircraft thrust vectoring testbed.
X-45Boeing X-45 Manufacturer/Agency: Boeing. DARPA, USAF Maiden flight May 22, 2002; Unmanned combat air vehicle (UCAV) demonstrator.
X-46Boeing X-46 Manufacturer/Agency: Boeing. DARPA, USN Maiden flight Cancelled; Naval UCAV demonstrator.
X-47X-47A Pegasus, Northrop Grumman X-47B Manufacturer/Agency: Northrop Grumman. DARPA, USN Maiden flight February 23, 2003; Naval UCAV demonstrator.
X47B UCAV X-48Boeing X-48 Manufacturer/Agency: Boeing. NASA Maiden flight July 20, 2007; Blended Wing Body (BWB) testbed.
X-49Piasecki X-49 Speedhawk Manufacturer/Agency: Piasecki Aircraft. US Army Maiden flight July 29, 2007; Compound helicopter. Vectored Thrust Ducted Propeller (VTDP) testbed.Parsch 2009, "DOD 4120.15-L"
X-50Boeing X-50 Dragonfly Manufacturer/Agency: Boeing. DARPA Maiden flight 36487; Canard Rotor/Wing testbed.
X-51Boeing X-51 Waverider Manufacturer/Agency: Boeing. USAF Maiden flight ; Hypersonic scramjet demonstrator.http://www.globalsecurity.org/military/systems/aircraft/x-51.htm "X-51 Scramjet Engine Demonstrator - WaveRider"] ''globalsecurity.org''. Accessed 2010-05-11.
X-52
Number skipped to avoid confusion with B-52
X-53Boeing Phantom Works X-53 Active Aeroelastic Wing Manufacturer/Agency: Boeing Phantom WorksNASA, USAF Maiden flight 36099; Active Aeroelastic Wing testbed.
Similar type
F/A-18C Hornet Chippy Ho X-54
Gulfstream X-54 Manufacturer/Agency: Gulfstream Aerospace. NASA Maiden flight Future; Supersonic transport testbed.
X-55Lockheed Martin X-55 Manufacturer/Agency: Lockheed Martin Skunk Works, USAF Maiden flight June 2, 2009; Advanced Composite Cargo Aircraft (ACCA). Molded composite fuselage and empennage testbed.
X-56Lockheed Martin X-56A Manufacturer/Agency: Lockheed Martin Skunk Works, NASA. X-56A will explore active control technology for potential use in future high-altitude, long-endurance (HALE) reconnaissance aircraft
X-57NASA X-57 Maxwell NASA Demonstrator for electric flight
XQ-58Kratos XQ-58 Valkyrie UCAV
X-59Lockheed Martin X-59 QueSST Quiet Supersonic Experimental Plane
X-60GOLauncher 1 Hypersonic Flight Testing
X-61Dynetics X-61 Gremlins UAV
X-62NF-16D VISTA AI Testbed
