2172:
1973:
2348:
2570:
333:
1642:
1574:
1209:
473:
1592:
1762:
236:
2411:
1846:
2228:
902:
5093:
5082:
5071:
5060:
5049:
5038:
5027:
5016:
1471:
941:
618:
1388:
870:
366:
1678:
742:
2256:
1506:
1320:
978:
1609:
407:
1878:
1042:
442:
585:
305:
2285:
806:
2056:
1290:
1204:
774:
2540:
1941:
1452:
3985:
2114:
2025:
1139:
1734:
1352:
2445:
1074:
705:
1813:
838:
550:
277:
40:
517:
1257:
1541:
1170:
1012:
1909:
1108:
63:
2808:
138:
New X-planes appeared fairly regularly for many years until the flow temporarily stopped in the early 1970s. A series of experimental hypersonic projects, including an advanced version of the
70:
5512:
3748:
73:
before 1962, while others have been known only by manufacturers' designations, non-'X'-series designations, or classified codenames. This list only includes the designated X-planes.
5597:
5567:
5432:
4986:
5467:
5587:
4027:
3675:
3989:
3995:
5627:
5592:
5472:
5632:
5542:
5442:
2615:
2818:
94:
5711:
5617:
5577:
5552:
5657:
5437:
5427:
5298:
4981:
4584:
82:
5582:
5502:
5482:
5452:
5447:
5457:
175:
used to test new types of engines, and some other vehicles were unoccupied or UAVs (some were remotely flown, some were partially or fully autonomous).
5622:
5572:
5562:
5547:
5527:
5517:
102:
5532:
3960:
5612:
5522:
5507:
5353:
4311:
5602:
5462:
4020:
489:
3740:
3585:
1402:
3700:
5672:
5652:
5497:
5487:
5477:
5405:
4900:
3797:
5607:
5557:
5492:
5422:
4414:
2171:
3623:
5701:
5662:
5537:
5417:
4013:
3915:
3896:
2730:
191:
3836:. Monographs in Aerospace History. Vol. 31 (Centennial of Flight ed.). Washington, DC: NASA History Office. SP-2003-4531
2569:
5667:
5390:
5385:
4925:
4804:
3850:
2472:
2385:
3560:
1972:
332:
5303:
4577:
4005:
3828:
164:
in level flight. Later X-planes supported important research in a multitude of aerodynamic and technical fields, but only the
156:
Some of the X-planes have been well publicized, while others, such as the X-16, have been developed in secrecy. The first, the
2347:
5375:
5308:
5020:
4885:
4795:
4361:
1219:
4000:
1641:
5198:
2610:
2492:
3649:
5053:
2177:
1563:
1441:
1300:
726:
376:
187:
5224:
4910:
4615:
4459:
4444:
2468:
2353:
1960:
1928:
1897:
497:
5149:
5086:
5064:
4860:
4570:
4344:
4339:
2162:
5128:
5097:
5075:
5042:
5031:
4870:
3715:
1656:
715:
831:
Major Pete Knight flew the X-15A-2 to a Mach 6.70, making it the fastest piloted flight of the X-plane program.
5380:
4715:
4710:
4685:
4660:
4655:
4645:
4640:
4630:
4625:
4321:
1801:
1767:
3598:
2471:(for the MATV program). Designated the X-62A during a major research system upgrade in 2021. Assigned to the
171:
of the early 1960s achieved comparable fame to that of the X-1. X-planes 8, 9, 11, 12, and 17 were actually
5395:
5368:
5363:
5358:
5165:
4991:
4895:
4808:
4680:
4650:
4635:
4383:
4326:
4251:
2433:
2061:
1493:
1280:
858:
628:
507:
98:
62:, used to test and evaluate new technologies and aerodynamic concepts. They have an X designator within the
5706:
4998:
4827:
4799:
4620:
4534:
4464:
4454:
4371:
4366:
4296:
4246:
2550:
2482:
2416:
2002:
1978:
1614:
1362:
1031:
472:
125:
4469:
5193:
5144:
4930:
4905:
4529:
4449:
4404:
4388:
4286:
4198:
4037:
2605:
2380:
2338:
2089:
1511:
1373:
1144:
1113:
131:
X-planes have since accomplished many aviation "firsts" including breaking speed and altitude barriers,
3701:
Giancarlo Casem (30 Jul 2021) NF-16D VISTA becomes X-62A, paves way for
Skyborg autonomous flight tests
1591:
1208:
2769:
2726:
2685:
1573:
5261:
4951:
4946:
4875:
4785:
4780:
4775:
4770:
4765:
4760:
4755:
4750:
4745:
4740:
4735:
4730:
4725:
4720:
4705:
4700:
4695:
4690:
4675:
4670:
4665:
4429:
4424:
4291:
4281:
4218:
4113:
4068:
3943:
2368:
2261:
2233:
2216:
2205:
1546:
1476:
1413:
1079:
527:
417:
179:
139:
121:
116:
rocket plane, was placed in 1945, and the first operational flight of an X-plane took place when the
4193:
4173:
4148:
4138:
4118:
4073:
3504:
3033:
2663:
2395:
2077:
1761:
1700:
1096:
946:
890:
811:
779:
623:
555:
461:
165:
132:
31:
2410:
1845:
5219:
4956:
4163:
2311:
1823:
1341:
90:
2227:
901:
2310:
Part of NASA's
Scalable Convergent Electric Propulsion Technology Operations Research project (
5335:
5170:
4920:
4474:
4434:
4271:
4213:
3926:
3911:
3892:
2545:
2487:
2290:
2103:
2066:
2044:
1688:
1631:
1619:
1393:
1246:
431:
235:
4593:
2528:
2501:
1516:
1470:
1410:
1262:
940:
617:
397:
388:
1387:
4880:
4790:
4419:
4256:
4143:
3771:
2200:
1555:
1481:
1433:
1295:
1238:
1180:
1084:
912:
869:
764:
575:
365:
106:
81:
The X-planes concept officially came into being in 1944, as a joint programme between the
1677:
741:
202:
In the list, the date is that of the first flight, or of cancellation if it never flew.
4524:
4519:
4509:
4504:
4223:
2814:
2635:
983:
951:
178:
Most X-planes are not expected to go into full-scale production; one exception was the
146:
3854:
2255:
1585:
First in family to use VTOL. Also used unconventional mode of lift engine (lift fan).
5695:
4266:
4203:
4183:
3586:
The Air Force
Valkyrie Drone, a Sidekick for Human-Piloted Planes, Will Fly This Year
1946:
1357:
1017:
875:
710:
608:
538:
267:
246:
161:
93:(USAAF), in order to pursue research into high-speed aircraft. NACA later became the
52:
1505:
1319:
977:
5256:
5175:
4261:
4158:
4153:
4133:
1608:
1325:
1214:
1159:
1128:
678:
651:
639:
522:
503:
371:
168:
150:
142:
2278:
Part of the high-altitude, long-endurance (HALE) reconnaissance aircraft program.
510:
modified to carry (but not powered by) a nuclear reactor, flew from 1955 to 1957.
406:
17:
3676:"Dynetics X-61A Gremlins makes first flight, but destroyed after parachute fails"
2507:
The RS1 launch vehicle first flew on Jan 10, 2023. The launch ended in failure.
135:
in flight, implementing exotic alloys and propulsion innovations, and many more.
69:
Not all US experimental aircraft have been designated as X-planes; some received
4890:
4479:
4378:
4356:
4351:
4316:
4301:
4276:
4188:
4128:
3871:
3483:
2575:
2119:
2030:
1914:
1883:
1877:
1739:
1647:
1457:
1424:
1041:
907:
693:
666:
478:
356:
183:
584:
441:
5266:
4865:
4514:
4230:
2651:
2450:
2399:
2284:
1851:
1666:
1528:
1376:
1242:
1175:
1062:
1000:
962:
825:
805:
793:
732:
590:
412:
304:
5231:
4499:
4331:
4306:
4208:
4178:
4168:
2647:
2055:
1818:
1683:
1289:
1203:
1047:
965:
843:
773:
747:
428:
160:, became well known in 1947 after it became the first aircraft to break the
113:
3851:"Active Aeroelastic Wing flight research vehicle receives X-53 designation"
3624:"U.S. Air Force Designates GO1 Hypersonic Flight Research Vehicle as X-60A"
2539:
1940:
1451:
3984:
2113:
2024:
1138:
5123:
4915:
4123:
4108:
4103:
4078:
4063:
4058:
2421:
2134:
1835:
1192:
931:
447:
393:
338:
310:
282:
241:
157:
117:
55:
30:
This article is about the US Experimental planes. For the simulator, see
1733:
1671:
Drop test performed in 2006. Seven flights to space since 22 April 2010
1351:
1256:
5113:
2444:
1330:
1228:
863:"X-16" designation used to hide true purpose. Canceled and never flew.
560:
483:
172:
86:
1812:
1073:
837:
704:
549:
276:
5118:
3798:"Next Generation Experimental Aircraft Becomes NASA's Newest X-Plane"
2580:
2296:
988:
924:
799:
First crewed hypersonic aircraft; capable of suborbital spaceflight.
270:
in level flight. Proved aerodynamic viability of thin wing sections.
59:
4562:
516:
39:
3772:"Meet the X-65: DARPA's New Plane Has No External Control Surfaces"
3599:"NASA's Experimental Supersonic Aircraft Now Known as X-59 QueSST"
3559:
Harrington, J.D.; Kamlet, Matt; Barnstorff, Kathy (17 June 2016).
1224:
38:
2775:
2692:
1865:
1711:
255:
251:
5333:
5287:
4842:
4825:
4604:
4566:
4009:
1540:
1169:
1011:
128:. The majority of X-plane testing has since taken place there.
2018:
Proposal for a new-generation strategic bomber. Design only.
1908:
1107:
3561:"NASA Hybrid Electric Research Plane Gets X Number, New Name"
1276:
high-performance research aircraft. High-performance fighter
396:
alloy construction; Underpowered, but provided insights into
149:
advanced UAV led to a crewed X-plane with forward sweep, the
3872:"Advanced Composite Cargo Aircraft gets X-plane designation"
3827:
Jenkins, Dennis R.; Landis, Tony; Miller, Jay (June 2003).
1005:
Intended for military missions. Canceled and never built.
120:
made its first powered flight nearly three years later at
1724:
Future
Aircraft Technology Enhancements (FATE) program.
2561:
2307:
Low emission plane powered entirely by electric motors
2275:
Active flutter suppression and gust load alleviation
112:
The first experimental aircraft specification, for a
1868:-based Multi-Axis No-Tail Aircraft thrust vectoring
5645:
5404:
5346:
5240:
5212:
5186:
5158:
5137:
5106:
5007:
4965:
4939:
4853:
4492:
4397:
4239:
4096:
4087:
4049:
3470:
3449:
3437:
3425:
3413:
3401:
3389:
3377:
3365:
3353:
3341:
3329:
3317:
3305:
3293:
3281:
3269:
3257:
3245:
3233:
3221:
3209:
3197:
3185:
3173:
3161:
3149:
3137:
3125:
3113:
3101:
3073:
3061:
3049:
3021:
3009:
2997:
2985:
2973:
2961:
2949:
2937:
2925:
2913:
2892:
2880:
2868:
2856:
2844:
2832:
2795:
109:(USMC) have also since sponsored X-plane projects.
66:, which denotes the experimental research mission.
3741:"ABL Space Systems' rocket fails on maiden launch"
2703:
2701:
3853:. Wright-Patterson Air Force Base. Archived from
3484:"X-51 Waverider makes historic hypersonic flight"
2080:Vectored Thrust Ducted Propeller (VTDP) testbed.
1753:80% scale Space Maneuver Vehicle X-37 prototype.
2432:Air-launched and air-recoverable reconnaissance
466:First aircraft to fly with variable wing sweep.
3505:"X-51 Scramjet Engine Demonstrator - WaveRider"
145:, were turned down. Eventually issues with the
2616:List of military aircraft of the United States
971:XC-143 designation requested but turned down.
27:Series of experimental US aircraft and rockets
4578:
4021:
3830:American X-Vehicles: An Inventory—X-1 to X-50
3554:
3552:
2810:A history of the Joint Strike Fighter Program
95:National Aeronautics and Space Administration
8:
3910:(third ed.). Motorbooks International.
3716:"AFRL's Rocket Lab Past, Present and Future"
2817:: Martin-Baker, January 2010, archived from
2464:Variable In-flight Simulator Test Aircraft.
2337:Number skipped; slot apparently assigned to
923:Vertical and/or short take-off and landing (
83:National Advisory Committee for Aeronautics
5410:
5343:
5330:
5284:
4850:
4839:
4835:
4822:
4601:
4585:
4571:
4563:
4093:
4028:
4014:
4006:
3990:Experimental aircraft of the United States
3927:""Missing" USAF/DOD Aircraft Designations"
3486:. US Air Force Public Affairs. 26 May 2010
204:
3650:"Earthquake damage delays Gremlins trial"
3088:
3086:
3084:
3082:
2247:Advanced Composite Cargo Aircraft (ACCA)
103:Defence Advanced Research Projects Agency
101:(USAF). Other organizations such as the
3891:(first UK ed.). Midland Counties.
3710:
3708:
2678:
2627:
2161:Number skipped to avoid confusion with
1727:Designation never officially assigned.
1101:Designation never officially assigned.
228:
210:
2504:launch vehicle testbed based on RS1.
7:
5065:Douglas / McDonnell Douglas
3963:. Aviation Week and Space Technology
3961:"USAF Reveals Latest X-Plane: X-56A"
3751:from the original on 11 January 2023
352:High-speed and high-altitude flight
324:High-speed and high-altitude flight
296:High-speed and high-altitude flight
263:High-speed and high-altitude flight
190:, and has entered production as the
5712:United States experimental aircraft
3092:Parsch 2024, "Missing Designations"
604:Guidance and propulsion technology
2314:). Cancelled in 2023, never flew.
1311:Low-cost aerial policing seaplane
64:US system of aircraft designations
25:
3471:Jenkins, Landis & Miller 2003
3450:Jenkins, Landis & Miller 2003
3438:Jenkins, Landis & Miller 2003
3426:Jenkins, Landis & Miller 2003
3414:Jenkins, Landis & Miller 2003
3402:Jenkins, Landis & Miller 2003
3390:Jenkins, Landis & Miller 2003
3378:Jenkins, Landis & Miller 2003
3366:Jenkins, Landis & Miller 2003
3354:Jenkins, Landis & Miller 2003
3342:Jenkins, Landis & Miller 2003
3330:Jenkins, Landis & Miller 2003
3318:Jenkins, Landis & Miller 2003
3306:Jenkins, Landis & Miller 2003
3294:Jenkins, Landis & Miller 2003
3282:Jenkins, Landis & Miller 2003
3270:Jenkins, Landis & Miller 2003
3258:Jenkins, Landis & Miller 2003
3246:Jenkins, Landis & Miller 2003
3234:Jenkins, Landis & Miller 2003
3222:Jenkins, Landis & Miller 2003
3210:Jenkins, Landis & Miller 2003
3198:Jenkins, Landis & Miller 2003
3186:Jenkins, Landis & Miller 2003
3174:Jenkins, Landis & Miller 2003
3162:Jenkins, Landis & Miller 2003
3150:Jenkins, Landis & Miller 2003
3138:Jenkins, Landis & Miller 2003
3126:Jenkins, Landis & Miller 2003
3114:Jenkins, Landis & Miller 2003
3102:Jenkins, Landis & Miller 2003
3074:Jenkins, Landis & Miller 2003
3062:Jenkins, Landis & Miller 2003
3050:Jenkins, Landis & Miller 2003
3022:Jenkins, Landis & Miller 2003
3010:Jenkins, Landis & Miller 2003
2998:Jenkins, Landis & Miller 2003
2986:Jenkins, Landis & Miller 2003
2974:Jenkins, Landis & Miller 2003
2962:Jenkins, Landis & Miller 2003
2950:Jenkins, Landis & Miller 2003
2938:Jenkins, Landis & Miller 2003
2926:Jenkins, Landis & Miller 2003
2914:Jenkins, Landis & Miller 2003
2893:Jenkins, Landis & Miller 2003
2881:Jenkins, Landis & Miller 2003
2869:Jenkins, Landis & Miller 2003
2857:Jenkins, Landis & Miller 2003
2845:Jenkins, Landis & Miller 2003
2833:Jenkins, Landis & Miller 2003
2796:Jenkins, Landis & Miller 2003
2731:Federation of American Scientists
1934:Naval use. Canceled, never flew.
5092:
5091:
5081:
5080:
5070:
5069:
5059:
5058:
5048:
5047:
5037:
5036:
5026:
5025:
5015:
5014:
3983:
2727:"X-Planes Experimental Aircraft"
2568:
2538:
2443:
2409:
2386:Generation Orbit Launch Services
2346:
2283:
2254:
2226:
2170:
2112:
2054:
2023:
1971:
1939:
1907:
1876:
1844:
1811:
1760:
1732:
1676:
1640:
1607:
1590:
1572:
1539:
1504:
1469:
1450:
1386:
1350:
1318:
1288:
1255:
1207:
1202:
1168:
1137:
1106:
1072:
1040:
1010:
976:
939:
900:
868:
836:
804:
772:
740:
703:
616:
583:
548:
515:
471:
440:
405:
364:
331:
303:
275:
234:
97:(NASA) and the USAAF became the
3796:O’Shea, Claire (12 June 2023).
3776:Air & Space Forces Magazine
767:configuration for VTOL flight.
1780:Maneuvering re-entry vehicle.
1:
3959:Norris, Guy (February 2012).
2611:List of experimental aircraft
182:, which competed against the
51:are a series of experimental
4901:Flying boats and floatplanes
3770:Hadley, Greg (16 May 2023).
3461:Parsch 2024, "DOD 4120.15-L"
2591:Transonic Truss-Braced Wing
727:Vertical takeoff and landing
266:First aircraft to break the
188:Joint Strike Fighter Program
3597:Jim, Banke (27 June 2018).
1961:Unmanned combat air vehicle
1929:Unmanned combat air vehicle
1898:Unmanned combat air vehicle
1499:Prototype never completed.
1283:. Canceled and never flew.
124:, California, now known as
5728:
4550:Assigned to multiple types
3944:"DOD 4120.15-L - Addendum"
2467:First flew in 1993 as the
2163:Boeing B-52 Stratofortress
1381:Canceled and never built.
29:
5702:Lists of aircraft by role
5413:
5342:
5329:
5294:
5283:
5129:Four-engined jet aircraft
4849:
4838:
4834:
4821:
4611:
4600:
4543:
4044:) designations since 1941
3946:. designation-Systems.Net
3929:. designation-systems.net
3908:The X-Planes: X-1 to X-45
3889:The X-Planes: X-1 to X-45
3874:. United States Air Force
2798:, p. 14,15,17,18,24.
1562:
1553:
1550:
1440:
1431:
1428:
934:concept for VTOL flight.
355:First aircraft to exceed
3942:Parsch, Andreas (2024).
3925:Parsch, Andreas (2024).
2455:Lockheed Martin/Calspan
2191:Active Aeroelastic Wing
1279:Proposed development of
607:Assisted development of
4809:unmanned aerial vehicle
4050:Supersonic/special test
3870:Kaufman, Derek (2009).
3040:, accessed 11 May 2010.
2695:. Accessed May 8, 2010.
2689:NASA Dryden Fact Sheets
2531:launch vehicle testbed
2473:USAF Test Pilot School.
1494:reusable launch vehicle
1281:Lockheed CL-1200 Lancer
828:, high-altitude flight
796:, high-altitude flight
99:United States Air Force
4982:Maximum takeoff weight
4800:human-powered aircraft
3849:Jordan, Holly (2006).
3510:. Accessed 2010-05-11.
2774:(fact sheet), Dryden:
2716:Miller 1983, pp.15-17.
2551:Aurora Flight Sciences
1871:Canceled, never flew.
1032:Boundary layer control
153:, which flew in 1984.
126:Edwards Air Force Base
44:
5194:Early flying machines
4038:experimental aircraft
4036:USAF / Joint Service
2606:Experimental aircraft
2339:Kratos XQ-58 Valkyrie
1374:Single-stage-to-orbit
574:Later models used as
42:
5262:Light-sport aircraft
3992:at Wikimedia Commons
3906:Miller, Jay (2001).
3887:Miller, Jay (1985).
3680:Flight International
3654:Flight International
2771:First Generation X-1
2434:unmanned air vehicle
2369:supersonic transport
2217:supersonic transport
1804:upper-stage rocket.
1564:Joint Strike Fighter
1442:Joint Strike Fighter
1414:supermaneuverability
1247:observation aircraft
180:Lockheed Martin X-35
140:Martin Marietta X-24
122:Muroc Air Force Base
71:US Navy designations
4001:X-15 Videos by NASA
3747:. 11 January 2023.
3656:. 24 September 2019
3628:generationorbit.com
2821:on 30 December 2010
2759:Miller 2001, p. 209
2664:Northrop Tacit Blue
2078:Compound helicopter
1701:Crew Return Vehicle
1527:Reusable pilotless
1195:for downed pilots.
1097:atmospheric reentry
571:Upper air research
283:X-1A X-1B X-1C X-1D
207:
166:North American X-15
32:X-Plane (simulator)
5658:WWI Central Powers
5150:Regional airliners
4090:"X" (1948–present)
3508:globalsecurity.org
2750:Miller 1983, p.13.
1367:NASA, DARPA, USAF
1342:Forward-swept wing
1335:DARPA, USAF, NASA
498:Nuclear Propulsion
205:
133:varying wing sweep
91:US Army Air Forces
45:
18:X-plane (aircraft)
5689:
5688:
5685:
5684:
5681:
5680:
5673:World War II jets
5641:
5640:
5336:Military aircraft
5325:
5324:
5321:
5320:
5317:
5316:
5299:By date and usage
5279:
5278:
5275:
5274:
5171:Regional airliner
4871:Electric aircraft
4844:By characteristic
4817:
4816:
4594:Lists of aircraft
4560:
4559:
4488:
4487:
3988:Media related to
3682:. 17 January 2020
2707:Miller 1983, p.9.
2662:For example, the
2646:For example, the
2634:For example, the
2597:
2596:
2488:ABL Space Systems
2104:Canard Rotor/Wing
2045:Blended Wing Body
2007:Northrop Grumman
1983:Northrop Grumman
1951:Northrop Grumman
1802:liquid propellant
1689:Scaled Composites
1665:Reusable orbital
1620:McDonnell Douglas
1554:USAF, USN, USMC,
1432:USAF, USN, USMC,
1243:yaw-roll coupling
1191:Commercial light
889:High Mach number
696:missile testbed.
669:missile testbed.
642:missile testbed.
462:variable geometry
432:tailless aircraft
206:List of X-planes
192:F-35 Lightning II
16:(Redirected from
5719:
5411:
5344:
5331:
5285:
5095:
5094:
5084:
5083:
5073:
5072:
5062:
5061:
5051:
5050:
5040:
5039:
5029:
5028:
5018:
5017:
4851:
4840:
4836:
4823:
4602:
4587:
4580:
4573:
4564:
4441:
4411:
4094:
4030:
4023:
4016:
4007:
3987:
3972:
3970:
3968:
3955:
3953:
3951:
3938:
3936:
3934:
3921:
3902:
3883:
3881:
3879:
3866:
3864:
3862:
3845:
3843:
3841:
3835:
3813:
3812:
3810:
3808:
3793:
3787:
3786:
3784:
3782:
3767:
3761:
3760:
3758:
3756:
3737:
3731:
3730:
3728:
3726:
3712:
3703:
3698:
3692:
3691:
3689:
3687:
3672:
3666:
3665:
3663:
3661:
3646:
3640:
3639:
3637:
3635:
3630:. 4 October 2018
3620:
3614:
3613:
3611:
3609:
3594:
3588:
3583:
3577:
3576:
3574:
3572:
3556:
3547:
3544:
3538:
3535:
3529:
3526:
3520:
3517:
3511:
3502:
3496:
3495:
3493:
3491:
3480:
3474:
3468:
3462:
3459:
3453:
3447:
3441:
3435:
3429:
3423:
3417:
3411:
3405:
3399:
3393:
3387:
3381:
3375:
3369:
3363:
3357:
3351:
3345:
3339:
3333:
3327:
3321:
3315:
3309:
3303:
3297:
3296:, p. 44–45.
3291:
3285:
3279:
3273:
3267:
3261:
3260:, p. 40–41.
3255:
3249:
3243:
3237:
3231:
3225:
3219:
3213:
3207:
3201:
3195:
3189:
3183:
3177:
3171:
3165:
3159:
3153:
3147:
3141:
3135:
3129:
3123:
3117:
3111:
3105:
3099:
3093:
3090:
3077:
3071:
3065:
3059:
3053:
3047:
3041:
3031:
3025:
3019:
3013:
3012:, p. 21–22.
3007:
3001:
2995:
2989:
2983:
2977:
2971:
2965:
2959:
2953:
2947:
2941:
2935:
2929:
2923:
2917:
2911:
2905:
2902:
2896:
2890:
2884:
2878:
2872:
2866:
2860:
2854:
2848:
2842:
2836:
2830:
2824:
2822:
2805:
2799:
2793:
2787:
2785:
2784:
2782:
2766:
2760:
2757:
2751:
2748:
2742:
2741:
2739:
2737:
2723:
2717:
2714:
2708:
2705:
2696:
2683:
2666:
2660:
2654:
2644:
2638:
2632:
2572:
2542:
2529:aerospike engine
2502:aerospike engine
2447:
2413:
2402:flight research
2367:Prototype quiet
2358:Lockheed Martin
2350:
2287:
2266:Lockheed Martin
2258:
2238:Lockheed Martin
2230:
2219:in development.
2174:
2116:
2058:
2027:
1975:
1943:
1911:
1880:
1856:Lockheed Martin
1848:
1815:
1764:
1736:
1680:
1644:
1632:tailless fighter
1611:
1594:
1576:
1551:Lockheed Martin
1543:
1517:Orbital Sciences
1508:
1473:
1454:
1411:Thrust vectoring
1390:
1354:
1322:
1296:X-28 Sea Skimmer
1292:
1259:
1211:
1206:
1172:
1149:Martin Marietta
1141:
1118:Martin Marietta
1110:
1076:
1065:tiltrotor STOVL
1044:
1014:
980:
943:
904:
872:
840:
808:
776:
744:
707:
620:
587:
576:sounding rockets
565:NACA, USAF, USN
552:
519:
475:
444:
409:
398:inertia coupling
389:trapezoidal wing
368:
335:
307:
279:
238:
208:
105:(DARPA) and the
21:
5727:
5726:
5722:
5721:
5720:
5718:
5717:
5716:
5692:
5691:
5690:
5677:
5637:
5400:
5391:Submarine-borne
5386:Maritime patrol
5338:
5313:
5290:
5271:
5250:
5236:
5208:
5182:
5154:
5133:
5102:
5003:
4992:very light jets
4975:
4961:
4935:
4845:
4830:
4813:
4607:
4596:
4591:
4561:
4556:
4539:
4484:
4439:
4409:
4393:
4235:
4089:
4083:
4052:"S" (1946–1947)
4051:
4045:
4034:
3980:
3975:
3966:
3964:
3958:
3949:
3947:
3941:
3932:
3930:
3924:
3918:
3905:
3899:
3886:
3877:
3875:
3869:
3860:
3858:
3848:
3839:
3837:
3833:
3826:
3822:
3817:
3816:
3806:
3804:
3795:
3794:
3790:
3780:
3778:
3769:
3768:
3764:
3754:
3752:
3739:
3738:
3734:
3724:
3722:
3714:
3713:
3706:
3699:
3695:
3685:
3683:
3674:
3673:
3669:
3659:
3657:
3648:
3647:
3643:
3633:
3631:
3622:
3621:
3617:
3607:
3605:
3596:
3595:
3591:
3584:
3580:
3570:
3568:
3558:
3557:
3550:
3545:
3541:
3536:
3532:
3527:
3523:
3518:
3514:
3503:
3499:
3489:
3487:
3482:
3481:
3477:
3469:
3465:
3460:
3456:
3448:
3444:
3436:
3432:
3424:
3420:
3412:
3408:
3400:
3396:
3388:
3384:
3376:
3372:
3364:
3360:
3352:
3348:
3340:
3336:
3328:
3324:
3316:
3312:
3304:
3300:
3292:
3288:
3280:
3276:
3268:
3264:
3256:
3252:
3244:
3240:
3232:
3228:
3220:
3216:
3208:
3204:
3196:
3192:
3184:
3180:
3172:
3168:
3160:
3156:
3148:
3144:
3136:
3132:
3124:
3120:
3112:
3108:
3100:
3096:
3091:
3080:
3072:
3068:
3060:
3056:
3048:
3044:
3038:Global security
3032:
3028:
3020:
3016:
3008:
3004:
2996:
2992:
2984:
2980:
2972:
2968:
2960:
2956:
2948:
2944:
2936:
2932:
2924:
2920:
2912:
2908:
2903:
2899:
2891:
2887:
2879:
2875:
2867:
2863:
2855:
2851:
2843:
2839:
2831:
2827:
2807:
2806:
2802:
2794:
2790:
2780:
2778:
2768:
2767:
2763:
2758:
2754:
2749:
2745:
2735:
2733:
2725:
2724:
2720:
2715:
2711:
2706:
2699:
2684:
2680:
2675:
2670:
2669:
2661:
2657:
2645:
2641:
2633:
2629:
2624:
2602:
1482:Lockheed Martin
1085:Martin Marietta
816:North American
784:North American
765:Vectored thrust
532:USAF, USA, USN
502:Not built. The
200:
107:US Marine Corps
79:
35:
28:
23:
22:
15:
12:
11:
5:
5725:
5723:
5715:
5714:
5709:
5704:
5694:
5693:
5687:
5686:
5683:
5682:
5679:
5678:
5676:
5675:
5670:
5665:
5660:
5655:
5649:
5647:
5643:
5642:
5639:
5638:
5636:
5635:
5630:
5628:United Kingdom
5625:
5620:
5615:
5610:
5605:
5600:
5595:
5590:
5585:
5580:
5575:
5570:
5565:
5560:
5555:
5550:
5545:
5540:
5535:
5530:
5525:
5520:
5515:
5510:
5505:
5500:
5495:
5490:
5485:
5480:
5475:
5473:Czech Republic
5470:
5465:
5460:
5455:
5450:
5445:
5440:
5435:
5430:
5425:
5420:
5414:
5408:
5402:
5401:
5399:
5398:
5393:
5388:
5383:
5378:
5373:
5372:
5371:
5361:
5356:
5350:
5348:
5340:
5339:
5334:
5327:
5326:
5323:
5322:
5319:
5318:
5315:
5314:
5312:
5311:
5306:
5304:By tail number
5301:
5295:
5292:
5291:
5288:
5281:
5280:
5277:
5276:
5273:
5272:
5270:
5269:
5264:
5259:
5253:
5251:
5249:
5248:
5245:
5241:
5238:
5237:
5235:
5234:
5229:
5228:
5227:
5216:
5214:
5210:
5209:
5207:
5206:
5201:
5196:
5190:
5188:
5184:
5183:
5181:
5180:
5179:
5178:
5168:
5162:
5160:
5156:
5155:
5153:
5152:
5147:
5141:
5139:
5135:
5134:
5132:
5131:
5126:
5121:
5116:
5110:
5108:
5104:
5103:
5101:
5100:
5089:
5078:
5067:
5056:
5045:
5034:
5023:
5011:
5009:
5005:
5004:
5002:
5001:
4999:Large aircraft
4996:
4995:
4994:
4987:Light aircraft
4984:
4978:
4976:
4974:
4973:
4970:
4966:
4963:
4962:
4960:
4959:
4954:
4949:
4943:
4941:
4937:
4936:
4934:
4933:
4928:
4923:
4918:
4913:
4908:
4903:
4898:
4896:Rocket-powered
4893:
4888:
4883:
4878:
4873:
4868:
4863:
4857:
4855:
4847:
4846:
4843:
4832:
4831:
4828:Civil aircraft
4826:
4819:
4818:
4815:
4814:
4812:
4811:
4802:
4793:
4788:
4783:
4778:
4773:
4768:
4763:
4758:
4753:
4748:
4743:
4738:
4733:
4728:
4723:
4718:
4713:
4708:
4703:
4698:
4693:
4688:
4683:
4678:
4673:
4668:
4663:
4658:
4653:
4648:
4643:
4638:
4633:
4628:
4623:
4618:
4612:
4609:
4608:
4605:
4598:
4597:
4592:
4590:
4589:
4582:
4575:
4567:
4558:
4557:
4555:
4554:
4551:
4548:
4544:
4541:
4540:
4538:
4537:
4532:
4527:
4522:
4517:
4512:
4507:
4502:
4496:
4494:
4490:
4489:
4486:
4485:
4483:
4482:
4477:
4472:
4467:
4462:
4457:
4452:
4447:
4442:
4437:
4432:
4427:
4422:
4417:
4412:
4407:
4401:
4399:
4395:
4394:
4392:
4391:
4386:
4381:
4376:
4375:
4374:
4369:
4359:
4354:
4349:
4348:
4347:
4342:
4334:
4329:
4324:
4319:
4314:
4309:
4304:
4299:
4294:
4289:
4284:
4279:
4274:
4269:
4264:
4259:
4254:
4249:
4243:
4241:
4237:
4236:
4234:
4233:
4228:
4227:
4226:
4216:
4211:
4206:
4201:
4196:
4191:
4186:
4181:
4176:
4171:
4166:
4161:
4156:
4151:
4146:
4141:
4136:
4131:
4126:
4121:
4116:
4111:
4106:
4100:
4098:
4091:
4085:
4084:
4082:
4081:
4076:
4071:
4066:
4061:
4055:
4053:
4047:
4046:
4035:
4033:
4032:
4025:
4018:
4010:
4004:
4003:
3998:
3996:Early X-planes
3993:
3979:
3978:External links
3976:
3974:
3973:
3956:
3939:
3922:
3916:
3903:
3897:
3884:
3867:
3857:on 5 June 2011
3846:
3823:
3821:
3818:
3815:
3814:
3788:
3762:
3732:
3704:
3693:
3667:
3641:
3615:
3589:
3578:
3548:
3539:
3530:
3521:
3512:
3497:
3475:
3463:
3454:
3442:
3430:
3418:
3406:
3394:
3382:
3370:
3358:
3346:
3334:
3322:
3310:
3298:
3286:
3274:
3262:
3250:
3238:
3226:
3214:
3202:
3190:
3178:
3166:
3154:
3142:
3130:
3118:
3106:
3094:
3078:
3066:
3054:
3042:
3026:
3014:
3002:
2990:
2978:
2966:
2954:
2942:
2930:
2918:
2906:
2897:
2885:
2873:
2861:
2849:
2837:
2835:, p. 5–7.
2825:
2800:
2788:
2761:
2752:
2743:
2718:
2709:
2697:
2677:
2676:
2674:
2671:
2668:
2667:
2655:
2639:
2636:Piasecki PA-97
2626:
2625:
2623:
2620:
2619:
2618:
2613:
2608:
2601:
2598:
2595:
2594:
2592:
2589:
2586:
2583:
2578:
2573:
2565:
2564:
2562:
2559:
2556:
2553:
2548:
2543:
2535:
2534:
2532:
2525:
2522:
2519:
2516:
2513:
2509:
2508:
2505:
2498:
2495:
2490:
2485:
2480:
2476:
2475:
2465:
2462:
2459:
2456:
2453:
2448:
2440:
2439:
2437:
2430:
2427:
2424:
2419:
2414:
2406:
2405:
2403:
2393:
2391:
2388:
2383:
2378:
2375:
2374:
2372:
2365:
2362:
2359:
2356:
2351:
2343:
2342:
2335:
2332:
2329:
2326:
2323:
2320:
2316:
2315:
2308:
2305:
2302:
2299:
2293:
2288:
2280:
2279:
2276:
2273:
2270:
2267:
2264:
2259:
2251:
2250:
2248:
2245:
2242:
2239:
2236:
2231:
2223:
2222:
2220:
2213:
2211:
2208:
2203:
2198:
2195:
2194:
2192:
2189:
2186:
2183:
2180:
2175:
2167:
2166:
2159:
2156:
2153:
2150:
2147:
2144:
2140:
2139:
2137:
2131:
2128:
2125:
2122:
2120:X-51 Waverider
2117:
2109:
2108:
2106:
2101:
2098:
2095:
2092:
2090:X-50 Dragonfly
2087:
2084:
2083:
2081:
2075:
2072:
2069:
2064:
2062:X-49 SpeedHawk
2059:
2051:
2050:
2048:
2042:
2039:
2036:
2033:
2028:
2020:
2019:
2016:
2015:Manned bomber
2013:
2011:
2008:
2005:
2000:
1997:
1996:
1993:
1990:
1987:
1984:
1981:
1976:
1968:
1967:
1964:
1958:
1955:
1952:
1949:
1944:
1936:
1935:
1932:
1926:
1923:
1920:
1917:
1912:
1904:
1903:
1901:
1895:
1892:
1889:
1886:
1881:
1873:
1872:
1869:
1863:
1860:
1857:
1854:
1849:
1841:
1840:
1838:
1832:
1829:
1826:
1821:
1816:
1808:
1807:
1805:
1798:
1796:
1793:
1790:
1787:
1784:
1783:
1781:
1778:
1776:
1773:
1770:
1765:
1757:
1756:
1754:
1751:
1748:
1745:
1742:
1737:
1729:
1728:
1725:
1722:
1720:
1717:
1714:
1709:
1706:
1705:
1703:
1697:
1694:
1691:
1686:
1681:
1673:
1672:
1669:
1663:
1660:
1653:
1650:
1645:
1637:
1636:
1634:
1628:
1625:
1622:
1617:
1612:
1604:
1603:
1601:
1598:
1595:
1587:
1586:
1583:
1580:
1577:
1569:
1568:
1566:
1561:
1558:
1552:
1549:
1544:
1536:
1535:
1532:
1525:
1522:
1519:
1514:
1509:
1501:
1500:
1497:
1490:
1487:
1484:
1479:
1474:
1466:
1465:
1463:
1460:
1455:
1447:
1446:
1444:
1439:
1436:
1430:
1427:
1422:
1419:
1418:
1416:
1408:
1405:
1399:
1396:
1391:
1383:
1382:
1379:
1371:
1368:
1365:
1360:
1355:
1347:
1346:
1344:
1339:
1336:
1333:
1328:
1323:
1315:
1314:
1312:
1309:
1306:
1303:
1298:
1293:
1285:
1284:
1277:
1274:
1271:
1268:
1265:
1260:
1252:
1251:
1249:
1235:
1232:
1222:
1217:
1212:
1199:
1198:
1196:
1189:
1186:
1183:
1178:
1173:
1165:
1164:
1162:
1156:
1153:
1150:
1147:
1142:
1134:
1133:
1131:
1125:
1122:
1119:
1116:
1111:
1103:
1102:
1099:
1093:
1090:
1087:
1082:
1077:
1069:
1068:
1066:
1059:
1056:
1053:
1050:
1045:
1037:
1036:
1034:
1029:
1026:
1023:
1020:
1015:
1007:
1006:
1003:
997:
994:
991:
986:
984:X-20 Dyna-Soar
981:
973:
972:
969:
960:
957:
954:
952:Curtiss-Wright
949:
944:
936:
935:
930:Evaluated the
928:
921:
918:
915:
910:
905:
897:
896:
894:
887:
884:
881:
878:
873:
865:
864:
861:
859:reconnaissance
857:High-altitude
855:
852:
849:
846:
841:
833:
832:
829:
823:
820:
817:
814:
809:
801:
800:
797:
791:
788:
785:
782:
777:
769:
768:
762:
759:
756:
753:
750:
745:
737:
736:
730:
724:
721:
718:
713:
708:
700:
699:
697:
690:
687:
684:
681:
676:
673:
672:
670:
663:
660:
657:
654:
649:
646:
645:
643:
637:
634:
631:
629:North American
626:
621:
613:
612:
605:
602:
599:
596:
593:
588:
580:
579:
572:
569:
566:
563:
558:
553:
545:
544:
542:
539:Ramjet engines
536:
533:
530:
525:
520:
512:
511:
506:experiment, a
504:Convair NB-36H
500:
495:
492:
486:
481:
476:
468:
467:
464:
459:
456:
453:
450:
445:
437:
436:
434:
426:
423:
420:
415:
410:
402:
401:
391:
387:Highly loaded
385:
382:
379:
374:
369:
361:
360:
353:
350:
347:
344:
341:
336:
328:
327:
325:
322:
319:
316:
313:
308:
300:
299:
297:
294:
291:
288:
285:
280:
272:
271:
264:
261:
258:
249:
244:
239:
231:
230:
227:
224:
221:
218:
215:
212:
199:
196:
147:Rockwell HiMAT
89:(USN) and the
78:
75:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
5724:
5713:
5710:
5708:
5707:NASA aircraft
5705:
5703:
5700:
5699:
5697:
5674:
5671:
5669:
5666:
5664:
5661:
5659:
5656:
5654:
5651:
5650:
5648:
5644:
5634:
5633:United States
5631:
5629:
5626:
5624:
5621:
5619:
5616:
5614:
5611:
5609:
5606:
5604:
5601:
5599:
5596:
5594:
5591:
5589:
5586:
5584:
5581:
5579:
5576:
5574:
5571:
5569:
5566:
5564:
5561:
5559:
5556:
5554:
5551:
5549:
5546:
5544:
5541:
5539:
5536:
5534:
5531:
5529:
5526:
5524:
5521:
5519:
5516:
5514:
5511:
5509:
5506:
5504:
5501:
5499:
5496:
5494:
5491:
5489:
5486:
5484:
5481:
5479:
5476:
5474:
5471:
5469:
5466:
5464:
5461:
5459:
5456:
5454:
5451:
5449:
5446:
5444:
5441:
5439:
5436:
5434:
5431:
5429:
5426:
5424:
5421:
5419:
5416:
5415:
5412:
5409:
5407:
5403:
5397:
5394:
5392:
5389:
5387:
5384:
5382:
5379:
5377:
5376:Carrier-based
5374:
5370:
5367:
5366:
5365:
5362:
5360:
5357:
5355:
5352:
5351:
5349:
5345:
5341:
5337:
5332:
5328:
5310:
5309:Most-produced
5307:
5305:
5302:
5300:
5297:
5296:
5293:
5286:
5282:
5268:
5265:
5263:
5260:
5258:
5257:Business jets
5255:
5254:
5252:
5246:
5243:
5242:
5239:
5233:
5230:
5226:
5223:
5222:
5221:
5218:
5217:
5215:
5213:Rotor-powered
5211:
5205:
5202:
5200:
5197:
5195:
5192:
5191:
5189:
5185:
5177:
5174:
5173:
5172:
5169:
5167:
5164:
5163:
5161:
5157:
5151:
5148:
5146:
5145:Jet airliners
5143:
5142:
5140:
5136:
5130:
5127:
5125:
5122:
5120:
5117:
5115:
5112:
5111:
5109:
5107:Engine number
5105:
5099:
5090:
5088:
5079:
5077:
5068:
5066:
5057:
5055:
5046:
5044:
5035:
5033:
5024:
5022:
5013:
5012:
5010:
5006:
5000:
4997:
4993:
4990:
4989:
4988:
4985:
4983:
4980:
4979:
4977:
4971:
4968:
4967:
4964:
4958:
4955:
4953:
4950:
4948:
4945:
4944:
4942:
4938:
4932:
4929:
4927:
4924:
4922:
4919:
4917:
4914:
4912:
4909:
4907:
4904:
4902:
4899:
4897:
4894:
4892:
4889:
4887:
4886:Human-powered
4884:
4882:
4879:
4877:
4874:
4872:
4869:
4867:
4864:
4862:
4859:
4858:
4856:
4852:
4848:
4841:
4837:
4833:
4829:
4824:
4820:
4810:
4806:
4803:
4801:
4797:
4794:
4792:
4789:
4787:
4784:
4782:
4779:
4777:
4774:
4772:
4769:
4767:
4764:
4762:
4759:
4757:
4754:
4752:
4749:
4747:
4744:
4742:
4739:
4737:
4734:
4732:
4729:
4727:
4724:
4722:
4719:
4717:
4714:
4712:
4709:
4707:
4704:
4702:
4699:
4697:
4694:
4692:
4689:
4687:
4684:
4682:
4679:
4677:
4674:
4672:
4669:
4667:
4664:
4662:
4659:
4657:
4654:
4652:
4649:
4647:
4644:
4642:
4639:
4637:
4634:
4632:
4629:
4627:
4624:
4622:
4619:
4617:
4614:
4613:
4610:
4603:
4599:
4595:
4588:
4583:
4581:
4576:
4574:
4569:
4568:
4565:
4552:
4549:
4546:
4545:
4542:
4536:
4533:
4531:
4528:
4526:
4523:
4521:
4518:
4516:
4513:
4511:
4508:
4506:
4503:
4501:
4498:
4497:
4495:
4491:
4481:
4478:
4476:
4473:
4471:
4468:
4466:
4463:
4461:
4458:
4456:
4453:
4451:
4448:
4446:
4443:
4438:
4436:
4433:
4431:
4428:
4426:
4423:
4421:
4418:
4416:
4413:
4408:
4406:
4403:
4402:
4400:
4396:
4390:
4387:
4385:
4382:
4380:
4377:
4373:
4370:
4368:
4365:
4364:
4363:
4360:
4358:
4355:
4353:
4350:
4346:
4343:
4341:
4338:
4337:
4335:
4333:
4330:
4328:
4325:
4323:
4320:
4318:
4315:
4313:
4310:
4308:
4305:
4303:
4300:
4298:
4295:
4293:
4290:
4288:
4285:
4283:
4280:
4278:
4275:
4273:
4270:
4268:
4265:
4263:
4260:
4258:
4255:
4253:
4250:
4248:
4245:
4244:
4242:
4238:
4232:
4229:
4225:
4222:
4221:
4220:
4217:
4215:
4212:
4210:
4207:
4205:
4202:
4200:
4197:
4195:
4192:
4190:
4187:
4185:
4182:
4180:
4177:
4175:
4172:
4170:
4167:
4165:
4162:
4160:
4157:
4155:
4152:
4150:
4147:
4145:
4142:
4140:
4137:
4135:
4132:
4130:
4127:
4125:
4122:
4120:
4117:
4115:
4112:
4110:
4107:
4105:
4102:
4101:
4099:
4095:
4092:
4086:
4080:
4077:
4075:
4072:
4070:
4067:
4065:
4062:
4060:
4057:
4056:
4054:
4048:
4043:
4039:
4031:
4026:
4024:
4019:
4017:
4012:
4011:
4008:
4002:
3999:
3997:
3994:
3991:
3986:
3982:
3981:
3977:
3962:
3957:
3945:
3940:
3928:
3923:
3919:
3917:1-85780-109-1
3913:
3909:
3904:
3900:
3898:0-904597-46-6
3894:
3890:
3885:
3873:
3868:
3856:
3852:
3847:
3832:
3831:
3825:
3824:
3819:
3803:
3799:
3792:
3789:
3777:
3773:
3766:
3763:
3750:
3746:
3742:
3736:
3733:
3721:
3717:
3711:
3709:
3705:
3702:
3697:
3694:
3681:
3677:
3671:
3668:
3655:
3651:
3645:
3642:
3629:
3625:
3619:
3616:
3604:
3600:
3593:
3590:
3587:
3582:
3579:
3566:
3562:
3555:
3553:
3549:
3543:
3540:
3534:
3531:
3525:
3522:
3516:
3513:
3509:
3506:
3501:
3498:
3485:
3479:
3476:
3473:, p. 60.
3472:
3467:
3464:
3458:
3455:
3452:, p. 58.
3451:
3446:
3443:
3440:, p. 57.
3439:
3434:
3431:
3428:, p. 56.
3427:
3422:
3419:
3416:, p. 55.
3415:
3410:
3407:
3404:, p. 54.
3403:
3398:
3395:
3392:, p. 53.
3391:
3386:
3383:
3380:, p. 52.
3379:
3374:
3371:
3368:, p. 51.
3367:
3362:
3359:
3356:, p. 50.
3355:
3350:
3347:
3344:, p. 49.
3343:
3338:
3335:
3332:, p. 48.
3331:
3326:
3323:
3320:, p. 47.
3319:
3314:
3311:
3308:, p. 46.
3307:
3302:
3299:
3295:
3290:
3287:
3284:, p. 43.
3283:
3278:
3275:
3272:, p. 42.
3271:
3266:
3263:
3259:
3254:
3251:
3248:, p. 39.
3247:
3242:
3239:
3236:, p. 38.
3235:
3230:
3227:
3224:, p. 37.
3223:
3218:
3215:
3212:, p. 36.
3211:
3206:
3203:
3200:, p. 35.
3199:
3194:
3191:
3188:, p. 34.
3187:
3182:
3179:
3176:, p. 33.
3175:
3170:
3167:
3164:, p. 32.
3163:
3158:
3155:
3152:, p. 31.
3151:
3146:
3143:
3140:, p. 30.
3139:
3134:
3131:
3128:, p. 29.
3127:
3122:
3119:
3116:, p. 28.
3115:
3110:
3107:
3104:, p. 27.
3103:
3098:
3095:
3089:
3087:
3085:
3083:
3079:
3076:, p. 26.
3075:
3070:
3067:
3064:, p. 25.
3063:
3058:
3055:
3052:, p. 24.
3051:
3046:
3043:
3039:
3035:
3030:
3027:
3024:, p. 23.
3023:
3018:
3015:
3011:
3006:
3003:
3000:, p. 20.
2999:
2994:
2991:
2988:, p. 19.
2987:
2982:
2979:
2976:, p. 18.
2975:
2970:
2967:
2964:, p. 17.
2963:
2958:
2955:
2952:, p. 16.
2951:
2946:
2943:
2940:, p. 15.
2939:
2934:
2931:
2928:, p. 14.
2927:
2922:
2919:
2916:, p. 13.
2915:
2910:
2907:
2901:
2898:
2895:, p. 12.
2894:
2889:
2886:
2883:, p. 11.
2882:
2877:
2874:
2871:, p. 10.
2870:
2865:
2862:
2858:
2853:
2850:
2846:
2841:
2838:
2834:
2829:
2826:
2820:
2816:
2812:
2811:
2804:
2801:
2797:
2792:
2789:
2777:
2773:
2772:
2765:
2762:
2756:
2753:
2747:
2744:
2732:
2728:
2722:
2719:
2713:
2710:
2704:
2702:
2698:
2694:
2690:
2687:
2682:
2679:
2672:
2665:
2659:
2656:
2653:
2649:
2643:
2640:
2637:
2631:
2628:
2621:
2617:
2614:
2612:
2609:
2607:
2604:
2603:
2599:
2593:
2590:
2587:
2584:
2582:
2579:
2577:
2574:
2571:
2567:
2566:
2563:
2560:
2557:
2554:
2552:
2549:
2547:
2544:
2541:
2537:
2536:
2533:
2530:
2526:
2523:
2520:
2518:Invocon Inc.
2517:
2514:
2511:
2510:
2506:
2503:
2499:
2496:
2494:
2491:
2489:
2486:
2484:
2481:
2478:
2477:
2474:
2470:
2466:
2463:
2460:
2457:
2454:
2452:
2449:
2446:
2442:
2441:
2438:
2435:
2431:
2428:
2425:
2423:
2420:
2418:
2417:X-61 Gremlins
2415:
2412:
2408:
2407:
2404:
2401:
2397:
2394:
2392:
2389:
2387:
2384:
2382:
2379:
2377:
2376:
2373:
2370:
2366:
2363:
2360:
2357:
2355:
2352:
2349:
2345:
2344:
2340:
2336:
2333:
2330:
2327:
2324:
2321:
2318:
2317:
2313:
2309:
2306:
2303:
2300:
2298:
2294:
2292:
2289:
2286:
2282:
2281:
2277:
2274:
2271:
2268:
2265:
2263:
2260:
2257:
2253:
2252:
2249:
2246:
2243:
2240:
2237:
2235:
2232:
2229:
2225:
2224:
2221:
2218:
2214:
2212:
2209:
2207:
2204:
2202:
2199:
2197:
2196:
2193:
2190:
2187:
2184:
2181:
2179:
2176:
2173:
2169:
2168:
2164:
2160:
2157:
2154:
2151:
2148:
2145:
2142:
2141:
2138:
2136:
2132:
2129:
2126:
2123:
2121:
2118:
2115:
2111:
2110:
2107:
2105:
2102:
2099:
2096:
2093:
2091:
2088:
2086:
2085:
2082:
2079:
2076:
2073:
2070:
2068:
2065:
2063:
2060:
2057:
2053:
2052:
2049:
2046:
2043:
2040:
2037:
2034:
2032:
2029:
2026:
2022:
2021:
2017:
2014:
2012:
2009:
2006:
2004:
2001:
1999:
1998:
1994:
1991:
1988:
1985:
1982:
1980:
1977:
1974:
1970:
1969:
1965:
1962:
1959:
1956:
1953:
1950:
1948:
1947:X-47A Pegasus
1945:
1942:
1938:
1937:
1933:
1930:
1927:
1924:
1921:
1918:
1916:
1913:
1910:
1906:
1905:
1902:
1899:
1896:
1893:
1890:
1887:
1885:
1882:
1879:
1875:
1874:
1870:
1867:
1864:
1861:
1858:
1855:
1853:
1850:
1847:
1843:
1842:
1839:
1837:
1833:
1830:
1827:
1825:
1822:
1820:
1817:
1814:
1810:
1809:
1806:
1803:
1799:
1797:
1794:
1791:
1788:
1786:
1785:
1782:
1779:
1777:
1774:
1771:
1769:
1766:
1763:
1759:
1758:
1755:
1752:
1749:
1746:
1743:
1741:
1738:
1735:
1731:
1730:
1726:
1723:
1721:
1718:
1715:
1713:
1710:
1708:
1707:
1704:
1702:
1699:Lifting body
1698:
1695:
1692:
1690:
1687:
1685:
1682:
1679:
1675:
1674:
1670:
1668:
1664:
1661:
1658:
1654:
1651:
1649:
1646:
1643:
1639:
1638:
1635:
1633:
1629:
1626:
1623:
1621:
1618:
1616:
1613:
1610:
1606:
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1602:
1599:
1596:
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1589:
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1584:
1581:
1578:
1575:
1571:
1570:
1567:
1565:
1559:
1557:
1548:
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1542:
1538:
1537:
1533:
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1526:
1523:
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1510:
1507:
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1498:
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1467:
1464:
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1453:
1449:
1448:
1445:
1443:
1437:
1435:
1426:
1423:
1421:
1420:
1417:
1415:
1412:
1409:
1406:
1404:
1401:DARPA, USAF,
1400:
1398:Rockwell-MBB
1397:
1395:
1392:
1389:
1385:
1384:
1380:
1378:
1375:
1372:
1369:
1366:
1364:
1361:
1359:
1356:
1353:
1349:
1348:
1345:
1343:
1340:
1337:
1334:
1332:
1329:
1327:
1324:
1321:
1317:
1316:
1313:
1310:
1307:
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1278:
1275:
1272:
1269:
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1264:
1261:
1258:
1254:
1253:
1250:
1248:
1244:
1240:
1236:
1233:
1230:
1226:
1223:
1221:
1218:
1216:
1213:
1210:
1205:
1201:
1200:
1197:
1194:
1190:
1187:
1184:
1182:
1179:
1177:
1174:
1171:
1167:
1166:
1163:
1161:
1157:
1154:
1151:
1148:
1146:
1143:
1140:
1136:
1135:
1132:
1130:
1126:
1123:
1120:
1117:
1115:
1112:
1109:
1105:
1104:
1100:
1098:
1094:
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1088:
1086:
1083:
1081:
1078:
1075:
1071:
1070:
1067:
1064:
1060:
1057:
1054:
1051:
1049:
1046:
1043:
1039:
1038:
1035:
1033:
1030:
1027:
1024:
1021:
1019:
1016:
1013:
1009:
1008:
1004:
1002:
998:
995:
992:
990:
987:
985:
982:
979:
975:
974:
970:
967:
964:
961:
958:
955:
953:
950:
948:
945:
942:
938:
937:
933:
929:
926:
922:
919:
916:
914:
911:
909:
906:
903:
899:
898:
895:
892:
888:
885:
882:
879:
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871:
867:
866:
862:
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856:
853:
850:
847:
845:
842:
839:
835:
834:
830:
827:
824:
821:
818:
815:
813:
810:
807:
803:
802:
798:
795:
792:
789:
786:
783:
781:
778:
775:
771:
770:
766:
763:
760:
757:
754:
751:
749:
746:
743:
739:
738:
735:VTOL flight.
734:
731:
728:
725:
722:
719:
717:
714:
712:
711:X-13 Vertijet
709:
706:
702:
701:
698:
695:
691:
688:
685:
682:
680:
677:
675:
674:
671:
668:
664:
661:
658:
655:
653:
650:
648:
647:
644:
641:
638:
635:
632:
630:
627:
625:
622:
619:
615:
614:
610:
609:GAM-63 Rascal
606:
603:
600:
597:
594:
592:
589:
586:
582:
581:
577:
573:
570:
567:
564:
562:
559:
557:
554:
551:
547:
546:
543:
540:
537:
534:
531:
529:
526:
524:
521:
518:
514:
513:
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505:
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496:
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491:
487:
485:
482:
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460:
457:
454:
451:
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446:
443:
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435:
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430:
427:
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414:
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395:
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386:
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363:
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348:
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342:
340:
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334:
330:
329:
326:
323:
320:
317:
314:
312:
309:
306:
302:
301:
298:
295:
292:
289:
286:
284:
281:
278:
274:
273:
269:
268:sound barrier
265:
262:
259:
257:
253:
250:
248:
245:
243:
240:
237:
233:
232:
225:
222:
219:
217:Manufacturer
216:
213:
209:
203:
197:
195:
193:
189:
185:
181:
176:
174:
170:
167:
163:
162:sound barrier
159:
154:
152:
148:
144:
141:
136:
134:
129:
127:
123:
119:
115:
110:
108:
104:
100:
96:
92:
88:
84:
76:
74:
72:
67:
65:
61:
57:
54:
53:United States
50:
41:
37:
33:
19:
5668:World War II
5593:South Africa
5203:
5199:Experimental
5176:regional jet
5008:Manufacturer
4876:Flying wings
4547:Not assigned
4088:Experimental
4041:
3965:. Retrieved
3948:. Retrieved
3931:. Retrieved
3907:
3888:
3876:. Retrieved
3859:. Retrieved
3855:the original
3838:. Retrieved
3829:
3820:Bibliography
3805:. Retrieved
3801:
3791:
3779:. Retrieved
3775:
3765:
3753:. Retrieved
3744:
3735:
3723:. Retrieved
3719:
3696:
3684:. Retrieved
3679:
3670:
3658:. Retrieved
3653:
3644:
3632:. Retrieved
3627:
3618:
3606:. Retrieved
3602:
3592:
3581:
3569:. Retrieved
3564:
3542:
3537:Kaufman 2009
3533:
3524:
3515:
3507:
3500:
3488:. Retrieved
3478:
3466:
3457:
3445:
3433:
3421:
3409:
3397:
3385:
3373:
3361:
3349:
3337:
3325:
3313:
3301:
3289:
3277:
3265:
3253:
3241:
3229:
3217:
3205:
3193:
3181:
3169:
3157:
3145:
3133:
3121:
3109:
3097:
3069:
3057:
3045:
3037:
3029:
3017:
3005:
2993:
2981:
2969:
2957:
2945:
2933:
2921:
2909:
2904:Miller 1983.
2900:
2888:
2876:
2864:
2859:, p. 9.
2852:
2847:, p. 8.
2840:
2828:
2819:the original
2809:
2803:
2791:
2779:, retrieved
2770:
2764:
2755:
2746:
2734:. Retrieved
2721:
2712:
2688:
2681:
2658:
2642:
2630:
2396:Air-launched
2291:X-57 Maxwell
1891:DARPA, USAF
1819:X-43 Hyper-X
1534:Never flew.
1215:X-26 Frigate
1160:lifting body
1129:lifting body
1095:Maneuvering
1055:Tri-service
956:Tri-service
640:SM-64 Navajo
372:X-3 Stiletto
201:
177:
169:rocket plane
155:
151:Grumman X-29
143:lifting body
137:
130:
111:
85:(NACA), the
80:
68:
48:
46:
36:
5653:WWI Entente
5613:Switzerland
5568:Philippines
5553:New Zealand
5418:Afghanistan
5289:Other lists
4952:Narrow-body
4947:Double-deck
4891:Prone-pilot
4866:Bush planes
4240:26–50
3967:11 February
3686:13 February
3546:Norris 2012
3519:Jordan 2006
2398:rocket for
2354:X-59 Quesst
2185:NASA, USAF
2133:Hypersonic
1995:Naval use.
1986:DARPA, USN
1966:Naval use.
1954:DARPA, USN
1922:DARPA, USN
1859:USAF, NASA
1834:Hypersonic
1824:Micro-Craft
1800:Expendable
1747:USAF, NASA
1496:prototype.
1492:Half-scale
1152:USAF, NASA
1121:USAF, NASA
819:USAF, NASA
787:USAF, NASA
755:USAF, NASA
733:tailsitting
694:SM-65 Atlas
667:SM-65 Atlas
556:X-8 Aerobee
455:USAF, NACA
422:USAF, NACA
381:USAF, NACA
318:USAF, NACA
290:USAF, NACA
186:during the
184:Boeing X-32
5696:Categories
5438:Bangladesh
5267:Flying car
5232:Tiltrotors
5220:Rotorcraft
5054:Bombardier
4911:Supersonic
4553:Unofficial
4345:X-44 (UAV)
4340:X-44 MANTA
4097:1–25
3840:22 January
3755:11 January
3660:28 October
2673:References
2652:Bell XV-15
2546:X-65 CRANE
2451:X-62 VISTA
2400:hypersonic
2269:USAF/NASA
2215:Low-noise
2206:Gulfstream
1852:X-44 MANTA
1667:spaceplane
1630:28% scale
1529:spaceplane
1377:spaceplane
1158:Low-speed
1127:Low-speed
1080:X-23 PRIME
1063:ducted fan
1001:spaceplane
917:USAF, USN
883:USAF, USN
826:Hypersonic
794:Hypersonic
720:USAF, USN
591:X-9 Shrike
413:X-4 Bantam
43:Bell X-1-2
5603:Sri Lanka
5513:Indonesia
5433:Australia
5428:Argentina
5244:Executive
5124:Trimotors
4957:Wide-body
4921:Triplanes
4916:Trimotors
4861:Aerobatic
4398:51–
3725:25 August
3634:4 October
2686:"D-558-I"
2648:NASA AD-1
2371:aircraft
1358:X-30 NASP
1267:Lockheed
1237:Training
1220:Schweizer
1022:Northrop
999:Reusable
966:tiltrotor
880:Lockheed
692:Proposed
665:Proposed
611:missile.
429:Transonic
114:transonic
5663:Interwar
5618:Thailand
5578:Portugal
5563:Pakistan
5543:Malaysia
5453:Bulgaria
5204:X-planes
5187:Research
5114:Twinjets
5087:Ilyushin
4940:Fuselage
4926:Unmanned
4616:pre-1914
4493:See also
3749:Archived
3565:NASA.gov
3528:412015-L
2600:See also
2527:Modular
2500:Modular
2422:Dynetics
2135:scramjet
2071:US Army
2067:Piasecki
1931:(UCAV).
1836:Scramjet
1792:Unknown
1772:Unknown
1716:Unknown
1363:Rockwell
1193:autogyro
932:tiltwing
683:Convair
656:Convair
528:Lockheed
418:Northrop
394:Titanium
173:missiles
158:Bell X-1
118:Bell X-1
56:aircraft
49:X-planes
5583:Romania
5548:Morocco
5523:Ireland
5498:Germany
5488:Finland
5478:Denmark
5423:Albania
5381:Fighter
5369:Torpedo
5247:Private
5225:utility
5119:Trijets
5098:Tupolev
5076:Embraer
5032:Antonov
4881:Gliders
4791:Gliders
4606:By name
4042:X-plane
3807:13 June
3745:Reuters
3608:28 June
3571:17 June
2312:SCEPTOR
2295:ESAero/
2182:Boeing
2124:Boeing
2094:Boeing
2035:Boeing
1963:(UCAV)
1919:Boeing
1900:(UCAV)
1888:Boeing
1744:Boeing
1659:, NASA
1652:Boeing
1429:Boeing
1331:Grumman
1229:US Army
891:reentry
812:X-15A-2
729:(VTOL)
561:Aerojet
484:Convair
377:Douglas
220:Agency
87:US Navy
77:History
60:rockets
5623:Turkey
5608:Sweden
5588:Russia
5573:Poland
5558:Norway
5528:Israel
5503:Greece
5493:France
5458:Canada
5448:Brazil
5443:Belize
5406:Nation
5396:Tanker
5364:Bomber
5359:Attack
5166:Racers
5096:
5085:
5074:
5063:
5052:
5043:Boeing
5041:
5030:
5021:Airbus
5019:
4969:Weight
3950:11 May
3933:11 May
3914:
3895:
3878:11 May
3861:11 May
3781:29 May
3567:. NASA
3490:27 May
3034:"X-16"
2736:1 June
2581:Boeing
2555:DARPA
2469:NF-16D
2436:(UAV)
2426:DARPA
2297:Tecnam
2097:DARPA
2047:(BWB)
1789:X-42
1655:USAF,
1597:X-35C
1579:X-35B
1301:Osprey
1245:Quiet
1239:glider
1231:, USN
1181:Bensen
989:Boeing
963:Tandem
925:V/STOL
913:Hiller
488:USAF,
357:Mach 3
229:Notes
211:Image
5598:Spain
5538:Japan
5533:Italy
5508:India
5483:Egypt
5468:China
5463:Chile
5138:Range
4716:Li-Lz
4711:La-Lh
4686:Go-Gz
4661:Co-Cz
4656:Cd-Cn
4646:Br-Bz
4641:Bf-Bo
4631:An-Az
4626:Ai-Am
4535:XQ-67
4530:XQ-58
4525:M2-F3
4520:M2-F2
4515:M2-F1
4510:HL-10
4505:HiMAT
4372:X-47C
4367:X-47B
4336:X-44
4224:X-24C
3834:(PDF)
2781:8 May
2622:Notes
2588:2028
2585:NASA
2558:2025
2521:AFRL
2515:X-64
2497:2023
2461:2021
2458:USAF
2429:2020
2390:USAF
2364:2024
2361:NASA
2322:X-58
2304:2023
2301:NASA
2272:2013
2244:2009
2241:USAF
2210:NASA
2188:2002
2146:X-52
2130:2010
2127:USAF
2100:2003
2074:2007
2041:2007
2038:NASA
2010:USAF
2003:X-47C
1992:UCAV
1989:2011
1979:X-47B
1957:2003
1925:2003
1894:2002
1862:2000
1831:2001
1828:NASA
1795:USAF
1775:USAF
1750:1998
1740:X-40A
1719:USAF
1696:1998
1693:NASA
1662:2010
1627:1997
1624:NASA
1582:2001
1560:2000
1547:X-35A
1524:2001
1521:NASA
1489:2001
1486:NASA
1462:2001
1458:X-32B
1438:2000
1425:X-32A
1407:1990
1370:1993
1338:1984
1308:1970
1273:1971
1270:None
1234:1967
1225:DARPA
1188:1955
1185:USAF
1155:1973
1145:X-24B
1124:1969
1114:X-24A
1092:1966
1089:USAF
1061:Quad
1058:1966
1052:Bell
1028:1963
1025:USAF
1018:X-21A
996:1963
993:USAF
968:VTOL
959:1963
920:1959
886:1956
854:1954
851:USAF
848:Bell
822:1964
790:1959
761:VTOL
758:1957
752:Bell
723:1955
689:1953
686:USAF
662:1953
659:USAF
636:1953
633:USAF
601:1949
598:USAF
595:Bell
568:1949
535:1951
494:1957
458:1951
452:Bell
425:1948
384:1952
349:1952
346:USAF
343:Bell
321:1955
315:Bell
293:1951
287:Bell
260:1946
226:Role
223:Date
214:Type
5518:Iran
5347:Role
4972:Size
4931:VTOL
4906:STOL
4854:Type
4805:List
4796:List
4681:G-Gn
4651:C-Ca
4636:B-Be
4621:0-Ah
4500:AD-1
4480:X-66
4475:X-65
4470:X-64
4465:X-63
4460:X-62
4455:X-61
4450:X-60
4445:X-59
4440:X-58
4435:X-57
4430:X-56
4425:X-55
4420:X-54
4415:X-53
4410:X-52
4405:X-51
4389:X-50
4384:X-49
4379:X-48
4362:X-47
4357:X-46
4352:X-45
4332:X-43
4327:X-42
4322:X-41
4317:X-40
4312:X-39
4307:X-38
4302:X-37
4297:X-36
4292:X-35
4287:X-34
4282:X-33
4277:X-32
4272:X-31
4267:X-30
4262:X-29
4257:X-28
4252:X-27
4247:X-26
4231:X-25
4219:X-24
4214:X-23
4209:X-22
4204:X-21
4199:X-20
4194:X-19
4189:X-18
4184:X-17
4179:X-16
4174:X-15
4169:X-14
4164:X-13
4159:X-12
4154:X-11
4149:X-10
3969:2012
3952:2010
3935:2010
3912:ISBN
3893:ISBN
3880:2010
3863:2010
3842:2024
3809:2023
3802:NASA
3783:2023
3757:2023
3727:2024
3720:AFRL
3688:2020
3662:2019
3636:2018
3610:2018
3603:NASA
3573:2016
3492:2010
2783:2010
2776:NASA
2738:2012
2693:NASA
2650:and
2576:X-66
2493:AFRL
2483:X-63
2381:X-60
2262:X-56
2234:X-55
2201:X-54
2178:X-53
2031:X-48
1915:X-46
1884:X-45
1866:F-22
1768:X-41
1712:X-39
1684:X-38
1657:USSF
1648:X-37
1615:X-36
1600:2000
1512:X-34
1477:X-33
1394:X-31
1326:X-29
1305:USN
1263:X-27
1241:for
1176:X-25
1048:X-22
947:X-19
908:X-18
876:X-17
844:X-16
780:X-15
748:X-14
716:Ryan
679:X-12
652:X-11
624:X-10
508:B-36
311:X-1E
256:NACA
252:USAF
247:Bell
198:List
58:and
47:The
5646:Era
5354:AEW
5159:Use
4807:of
4798:of
4144:X-9
4139:X-8
4134:X-7
4129:X-6
4124:X-5
4119:X-4
4114:X-3
4109:X-2
4104:X-1
4079:S-5
4074:S-4
4069:S-3
4064:S-2
4059:S-1
1556:RAF
1434:RAF
1403:BdV
523:X-7
490:AEC
479:X-6
448:X-5
339:X-2
242:X-1
5698::
3800:.
3774:.
3743:.
3718:.
3707:^
3678:.
3652:.
3626:.
3601:.
3563:.
3551:^
3081:^
3036:.
2815:UK
2813:,
2729:.
2700:^
2691:.
2524:—
2512:—
2479:—
2341:.
2334:—
2331:—
2328:—
2325:—
2319:—
2165:.
2158:—
2155:—
2152:—
2149:—
2143:—
1531:.
1227:,
927:)
893:.
578:.
541:.
400:.
359:.
254:,
194:.
4786:Z
4781:Y
4776:X
4771:W
4766:V
4761:U
4756:T
4751:S
4746:R
4741:Q
4736:P
4731:O
4726:N
4721:M
4706:K
4701:J
4696:I
4691:H
4676:F
4671:E
4666:D
4586:e
4579:t
4572:v
4040:(
4029:e
4022:t
4015:v
3971:.
3954:.
3937:.
3920:.
3901:.
3882:.
3865:.
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