293:. The Pegasus demonstrator looks like a simple black arrowhead with no vertical tailplane. It has a leading edge sweep of 55 degrees and a trailing edge sweep of 35 degrees. The demonstrator has retractable tricycle landing gear, with a one-wheel nose gear and dual-wheel main gear, and has six control surfaces, including two elevons and four "inlaids". The inlaids are small flap structures mounted on the top and bottom of the wing forward of the wingtips.
33:
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335:. Other issues related to carrier operations involve adding deck tie-downs without compromising stealth characteristics, and designing access panels so that they would not be blown around or damaged by strong winds blowing across the carrier deck. The J-UCAS program was terminated in February 2006 following the US military's
315:
The X-47A's airframe is built of composite materials, with construction subcontracted out to Burt Rutan's Scaled
Composites company, which had the expertise and tooling to do the job inexpensively. The airframe consists of four main assemblies, split down the middle with two assemblies on top and two
311:
trainer. The engine is mounted on the demonstrator's back, with the inlet on top behind the nose. The inlet duct has a serpentine diffuser to prevent radar reflections off the engine fan. However, to keep costs low, the engine exhaust is a simple cylindrical tailpipe, with no provisions for reducing
276:
Design considerations for a naval UCAV included dealing with the corrosive salt-water environment, deck handling for launch and recovery, integration with command and control systems, and operation in a carrier's high electromagnetic interference environment. The Navy was also interested in using
280:
The Navy went on to give
Northrop Grumman a contract for a naval UCAV demonstrator with the designation of "X-47A Pegasus", in early 2001. The proof-of-concept X-47A vehicle was built under contract by
327:, California. The flight test program did not involve weapons delivery, but Pegasus does have two weapons bays, one on each side of the engine, that may be each loaded with a single 500
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331:(225 kg) dummy bomb to simulate operational flight loads. The Pegasus was also used to evaluate technologies for carrier deck landings, though the demonstrator did not have a
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and US Navy proceeded with their own UAV programs. The Navy selected
Northrop Grumman's X-47B as its Unmanned Combat Air System Demonstrator (UCAS-D) program.
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369:: Proposed larger version with a payload of 10,000 lb (4,500 kg) and a wingspan of 172 ft (52.4 m).
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their UCAVs for reconnaissance missions, penetrating protected airspace to identify targets for the attack waves.
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The X-47A was rolled out on 30 July 2001 and performed its first flight on 23 February 2003 at the
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249:, initial Pegasus development was company-funded. The original vehicle carries the designation
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307:(14.2 kN) thrust. This engine is currently in use with operational aircraft such as the
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533:"Northrop Grumman's X-47A Pegasus Unmanned Vehicle Successfully Completes First Taxi Test"
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535:(Press release). Northrop Grumman Capitol Source. 19 July 2002. Archived from
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57: in this article. Unsourced material may be challenged and removed.
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557:. United States Department of Defense. 30 June 2000. Archived from
245:
program to create a carrier-based unmanned aircraft. Unlike the
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573:"X-47 Pegasus Naval Unmanned Combat Air Vehicle (UCAV-N), USA"
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Aircraft of comparable role, configuration, and era
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253:, while the follow-on naval version is designated
3973:Unmanned military aircraft of the United States
637:X-47 Pegasus UCAV-N Factsheet on air-attack.com
551:"DARPA And Navy Select Naval UCAV Contractors"
3039:
2482:
657:
453:1,700 mi (2,800 km, 1,500 nmi)
303:small high-bypass turbofan engine with 3,190
8:
3890:(vice president/general manager, test pilot)
3055:Rutan Aircraft Factory and Scaled Composites
273:for a 15-month concept-exploration program.
3902:(director of flight operations, test pilot)
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3968:2000s United States experimental aircraft
117:Learn how and when to remove this message
524:
438:, 3,190 lbf (14.2 kN) thrust
407:387.29 sq ft (35.980 m)
7:
55:adding citations to reliable sources
609:from the original on 12 August 2011
433:Pratt & Whitney Canada JT15D-5C
25:
401:6 ft 1 in (1.85 m)
296:The X-47A is powered by a single
237:program, and is now part of the
137:
66:"Northrop Grumman X-47A Pegasus"
31:
42:needs additional citations for
3233:Rocketcraft (as subcontractor)
597:Sweetman, Bill (26 May 2008).
459:40,000 ft (12,000 m)
227:unmanned combat aerial vehicle
158:Unmanned combat aerial vehicle
1:
513:List of experimental aircraft
425:5,903 lb (2,678 kg)
419:4,877 lb (2,212 kg)
413:3,836 lb (1,740 kg)
312:radar or infrared signature.
3963:Tailless delta-wing aircraft
3928:Aircraft first flown in 2003
3908:(SpaceShipOne sole investor)
229:. The X-47 began as part of
3953:Single-engined jet aircraft
3151:Virgin Atlantic GlobalFlyer
3129:Aircraft (as subcontractor)
3989:
3011:Assigned to multiple types
337:Quadrennial Defense Review
298:Pratt & Whitney Canada
3958:Unmanned stealth aircraft
3943:Northrop Grumman aircraft
3404:Mojave Aerospace Ventures
3394:
3004:
2505:) designations since 1941
395:27.8 ft (8.5 m)
389:27.9 ft (8.5 m)
136:
3175:Technology demonstrators
321:Naval Air Warfare Center
162:Technology demonstration
3317:Spirit of Steve Fossett
3063:Aircraft (main designs)
3057:aircraft and spacecraft
2511:Supersonic/special test
577:Airforce-Technology.com
380:General characteristics
3938:Edwards Air Force Base
3240:McDonnell Douglas DC-X
484:Northrop Grumman X-47B
374:Specifications (X-47A)
261:Design and development
211:Northrop Grumman X-47C
207:Northrop Grumman X-47B
3896:(manager, test pilot)
3399:The Spaceship Company
2499:experimental aircraft
2497:USAF / Joint Service
220:Northrop Grumman X-47
51:improve this article
3254:Spaceflight program
2132:Apollo Lunar Module
478:Related development
423:Max takeoff weight:
149:General information
3878:(former president)
2551:"X" (1948–present)
2013:Utility/Transports
239:United States Navy
184:United States Navy
3948:Scaled Composites
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3156:Williams V-Jet II
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632:DARPA J-UCAS page
287:Scaled Composites
216:
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127:
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119:
101:
16:(Redirected from
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3335:Stratolaunch Roc
3302:White Knight Two
3273:White Knight One
3261:Programs / Ships
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457:Service ceiling:
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291:Mojave Spaceport
271:Northrop Grumman
198:23 February 2003
174:Northrop Grumman
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3882:Michael Alsbury
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2513:"S" (1946–1947)
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2144:
2139:
2134:
2128:
2126:
2122:
2121:
2119:
2118:
2113:
2108:
2103:
2098:
2093:
2087:
2085:
2084:Civil aircraft
2081:
2080:
2078:
2077:
2072:
2067:
2062:
2057:
2052:
2047:
2042:
2037:
2032:
2027:
2022:
2016:
2014:
2010:
2009:
2007:
2006:
2001:
1996:
1991:
1986:
1981:
1975:
1973:
1969:
1968:
1966:
1965:
1960:
1955:
1950:
1945:
1940:
1934:
1932:
1928:
1927:
1925:
1924:
1919:
1913:
1911:
1907:
1906:
1904:
1903:
1898:
1893:
1888:
1883:
1878:
1873:
1868:
1863:
1862:
1861:
1856:
1848:
1843:
1838:
1833:
1828:
1823:
1818:
1813:
1808:
1803:
1797:
1795:
1788:
1784:
1783:
1781:
1780:
1775:
1770:
1765:
1760:
1755:
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1465:
1460:
1455:
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1445:
1440:
1435:
1430:
1425:
1420:
1415:
1410:
1405:
1400:
1395:
1390:
1385:
1380:
1375:
1370:
1365:
1360:
1355:
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1315:
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1290:
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1275:
1270:
1265:
1260:
1255:
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1190:
1185:
1184:
1183:
1173:
1168:
1163:
1158:
1153:
1148:
1143:
1138:
1133:
1128:
1123:
1118:
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1103:
1098:
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1078:
1073:
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1063:
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1038:
1033:
1028:
1023:
1018:
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1008:
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993:
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983:
978:
973:
968:
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958:
953:
948:
943:
938:
933:
928:
923:
918:
913:
908:
903:
898:
893:
888:
883:
878:
873:
868:
863:
858:
853:
848:
843:
838:
833:
828:
823:
818:
813:
808:
803:
798:
793:
788:
783:
778:
773:
768:
763:
758:
753:
748:
743:
738:
733:
728:
723:
718:
713:
708:
703:
697:
690:
688:
682:
681:
671:
669:
668:
661:
654:
646:
640:
639:
634:
627:
626:External links
624:
621:
620:
589:
564:
561:on 2006-08-26.
542:
539:on 2003-06-22.
523:
522:
520:
517:
516:
515:
504:
503:
498:
487:
486:
474:
471:
470:
469:
460:
454:
440:
439:
426:
420:
414:
408:
402:
396:
390:
375:
372:
371:
370:
362:
355:
348:
345:
262:
259:
214:
213:
204:
203:Developed into
200:
199:
196:
192:
191:
187:
186:
181:
177:
176:
171:
165:
164:
155:
151:
150:
146:
145:
143:X-47A roll out
142:
134:
133:
125:
124:
39:
37:
30:
24:
14:
13:
10:
9:
6:
4:
3:
2:
3985:
3974:
3971:
3969:
3966:
3964:
3961:
3959:
3956:
3954:
3951:
3949:
3946:
3944:
3941:
3939:
3936:
3934:
3931:
3929:
3926:
3925:
3923:
3907:
3904:
3901:
3900:Peter Siebold
3898:
3895:
3892:
3889:
3886:
3883:
3880:
3877:
3874:
3871:
3868:
3867:
3865:
3861:
3855:
3852:
3850:
3847:
3845:
3842:
3840:
3837:
3835:
3832:
3830:
3827:
3825:
3822:
3820:
3817:
3815:
3812:
3810:
3807:
3805:
3802:
3800:
3797:
3795:
3792:
3790:
3787:
3785:
3782:
3780:
3777:
3775:
3772:
3770:
3767:
3765:
3762:
3760:
3757:
3755:
3752:
3750:
3747:
3745:
3742:
3740:
3737:
3735:
3732:
3730:
3727:
3725:
3722:
3720:
3717:
3715:
3712:
3710:
3707:
3705:
3702:
3700:
3697:
3695:
3692:
3690:
3687:
3685:
3682:
3680:
3677:
3675:
3672:
3670:
3667:
3665:
3662:
3660:
3657:
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3650:
3647:
3645:
3642:
3640:
3637:
3635:
3632:
3630:
3627:
3625:
3622:
3620:
3617:
3615:
3612:
3610:
3607:
3605:
3602:
3600:
3597:
3595:
3592:
3590:
3587:
3585:
3582:
3580:
3577:
3575:
3572:
3570:
3567:
3565:
3562:
3560:
3557:
3555:
3552:
3550:
3547:
3545:
3542:
3540:
3537:
3535:
3532:
3530:
3527:
3525:
3522:
3520:
3517:
3515:
3512:
3510:
3507:
3505:
3502:
3500:
3497:
3495:
3492:
3490:
3487:
3485:
3482:
3480:
3477:
3475:
3472:
3470:
3467:
3465:
3462:
3460:
3457:
3455:
3452:
3450:
3447:
3445:
3442:
3440:
3437:
3435:
3432:
3430:
3427:
3425:
3422:
3421:
3419:
3417:Model numbers
3415:
3405:
3402:
3400:
3397:
3396:
3393:
3385:
3382:
3380:
3377:
3375:
3372:
3370:
3367:
3365:
3362:
3360:
3357:
3356:
3355:
3352:
3351:
3349:
3346:
3342:
3336:
3333:
3331:
3328:
3326:
3323:
3319:
3318:
3313:
3311:
3310:
3305:
3304:
3303:
3300:
3296:
3295:
3290:
3287:
3286:
3281:
3280:
3279:
3276:
3274:
3271:
3269:
3266:
3265:
3263:
3259:
3256:
3252:
3246:
3245:Rotary Rocket
3243:
3241:
3238:
3237:
3235:
3231:
3225:
3222:
3219:
3216:
3213:
3210:
3208:
3205:
3203:
3200:
3198:
3195:
3193:
3190:
3188:
3185:
3183:
3180:
3179:
3177:
3173:
3167:
3166:X-47A Pegasus
3164:
3162:
3159:
3157:
3154:
3152:
3149:
3147:
3144:
3142:
3139:
3137:
3134:
3133:
3131:
3127:
3121:
3118:
3116:
3113:
3111:
3108:
3106:
3103:
3101:
3098:
3096:
3093:
3091:
3088:
3086:
3083:
3081:
3078:
3076:
3073:
3071:
3068:
3067:
3065:
3061:
3056:
3049:
3044:
3042:
3037:
3035:
3030:
3029:
3026:
3013:
3010:
3007:
3006:
3003:
2997:
2994:
2992:
2989:
2987:
2984:
2982:
2979:
2977:
2974:
2972:
2969:
2967:
2964:
2962:
2959:
2958:
2956:
2952:
2942:
2939:
2937:
2934:
2932:
2929:
2927:
2924:
2922:
2919:
2917:
2914:
2912:
2909:
2907:
2904:
2899:
2897:
2894:
2892:
2889:
2887:
2884:
2882:
2879:
2877:
2874:
2869:
2867:
2864:
2863:
2861:
2857:
2851:
2848:
2846:
2843:
2841:
2838:
2834:
2831:
2829:
2826:
2825:
2824:
2821:
2819:
2816:
2814:
2811:
2807:
2804:
2802:
2799:
2798:
2796:
2794:
2791:
2789:
2786:
2784:
2781:
2779:
2776:
2774:
2771:
2769:
2766:
2764:
2761:
2759:
2756:
2754:
2751:
2749:
2746:
2744:
2741:
2739:
2736:
2734:
2731:
2729:
2726:
2724:
2721:
2719:
2716:
2714:
2711:
2709:
2706:
2705:
2703:
2699:
2693:
2690:
2686:
2683:
2682:
2681:
2678:
2676:
2673:
2671:
2668:
2666:
2663:
2661:
2658:
2656:
2653:
2651:
2648:
2646:
2643:
2641:
2638:
2636:
2633:
2631:
2628:
2626:
2623:
2621:
2618:
2616:
2613:
2611:
2608:
2606:
2603:
2601:
2598:
2596:
2593:
2591:
2588:
2586:
2583:
2581:
2578:
2576:
2573:
2571:
2568:
2566:
2563:
2562:
2560:
2556:
2553:
2547:
2541:
2538:
2536:
2533:
2531:
2528:
2526:
2523:
2521:
2518:
2517:
2515:
2509:
2504:
2500:
2492:
2487:
2485:
2480:
2478:
2473:
2472:
2469:
2457:
2454:
2452:
2451:Leroy Grumman
2449:
2448:
2446:
2442:
2436:
2433:
2431:
2428:
2426:
2423:
2421:
2418:
2416:
2413:
2411:
2408:
2406:
2403:
2401:
2398:
2396:
2393:
2391:
2388:
2386:
2383:
2381:
2378:
2376:
2373:
2371:
2368:
2366:
2363:
2361:
2358:
2356:
2353:
2351:
2348:
2346:
2343:
2341:
2338:
2336:
2333:
2331:
2328:
2326:
2323:
2321:
2318:
2316:
2313:
2311:
2308:
2306:
2305:Gulfstream II
2303:
2301:
2298:
2296:
2293:
2291:
2288:
2286:
2283:
2281:
2278:
2276:
2273:
2271:
2268:
2266:
2263:
2261:
2258:
2256:
2253:
2251:
2248:
2246:
2243:
2241:
2238:
2236:
2233:
2231:
2228:
2226:
2223:
2222:
2220:
2216:
2206:
2203:
2201:
2198:
2196:
2193:
2191:
2188:
2186:
2183:
2181:
2178:
2176:
2173:
2171:
2168:
2166:
2162:
2159:
2157:
2153:
2150:
2148:
2145:
2143:
2140:
2138:
2135:
2133:
2130:
2129:
2127:
2123:
2117:
2116:Gulfstream II
2114:
2112:
2109:
2107:
2104:
2102:
2099:
2097:
2094:
2092:
2089:
2088:
2086:
2082:
2076:
2073:
2071:
2068:
2066:
2063:
2061:
2058:
2056:
2053:
2051:
2048:
2046:
2043:
2041:
2038:
2036:
2033:
2031:
2028:
2026:
2023:
2021:
2018:
2017:
2015:
2011:
2005:
2002:
2000:
1997:
1995:
1992:
1990:
1987:
1985:
1982:
1980:
1977:
1976:
1974:
1970:
1964:
1961:
1959:
1956:
1954:
1951:
1949:
1946:
1944:
1941:
1939:
1936:
1935:
1933:
1931:Attack/Patrol
1929:
1923:
1920:
1918:
1915:
1914:
1912:
1908:
1902:
1899:
1897:
1894:
1892:
1889:
1887:
1884:
1882:
1879:
1877:
1874:
1872:
1869:
1867:
1864:
1860:
1857:
1855:
1852:
1851:
1849:
1847:
1844:
1842:
1839:
1837:
1834:
1832:
1829:
1827:
1824:
1822:
1819:
1817:
1814:
1812:
1809:
1807:
1804:
1802:
1799:
1798:
1796:
1792:
1789:
1785:
1779:
1776:
1774:
1771:
1769:
1766:
1764:
1761:
1759:
1756:
1754:
1751:
1749:
1746:
1744:
1741:
1739:
1736:
1734:
1731:
1729:
1726:
1724:
1721:
1719:
1716:
1714:
1711:
1707:
1704:
1702:
1699:
1698:
1696:
1694:
1691:
1689:
1686:
1684:
1681:
1679:
1676:
1674:
1671:
1669:
1666:
1664:
1661:
1659:
1656:
1654:
1651:
1649:
1646:
1644:
1641:
1639:
1636:
1634:
1631:
1629:
1626:
1624:
1621:
1619:
1616:
1614:
1611:
1609:
1606:
1604:
1601:
1599:
1596:
1594:
1591:
1589:
1586:
1584:
1581:
1579:
1576:
1574:
1571:
1569:
1566:
1564:
1561:
1559:
1556:
1554:
1551:
1549:
1546:
1544:
1541:
1539:
1536:
1534:
1531:
1529:
1526:
1524:
1521:
1519:
1516:
1514:
1511:
1509:
1506:
1504:
1501:
1499:
1496:
1494:
1491:
1489:
1486:
1484:
1481:
1479:
1476:
1474:
1471:
1469:
1466:
1464:
1461:
1459:
1456:
1454:
1451:
1449:
1446:
1444:
1441:
1439:
1436:
1434:
1431:
1429:
1426:
1424:
1421:
1419:
1416:
1414:
1411:
1409:
1406:
1404:
1401:
1399:
1396:
1394:
1391:
1389:
1386:
1384:
1381:
1379:
1376:
1374:
1371:
1369:
1366:
1364:
1361:
1359:
1356:
1354:
1351:
1349:
1346:
1344:
1341:
1339:
1336:
1334:
1331:
1329:
1326:
1324:
1321:
1319:
1316:
1314:
1311:
1309:
1306:
1304:
1301:
1299:
1296:
1294:
1291:
1289:
1286:
1284:
1281:
1279:
1276:
1274:
1271:
1269:
1266:
1264:
1261:
1259:
1256:
1254:
1251:
1249:
1246:
1244:
1241:
1239:
1236:
1234:
1231:
1229:
1226:
1224:
1221:
1219:
1216:
1214:
1211:
1209:
1206:
1204:
1201:
1199:
1196:
1194:
1191:
1189:
1186:
1182:
1179:
1178:
1177:
1174:
1172:
1169:
1167:
1164:
1162:
1159:
1157:
1154:
1152:
1149:
1147:
1144:
1142:
1139:
1137:
1134:
1132:
1129:
1127:
1124:
1122:
1119:
1117:
1114:
1112:
1109:
1107:
1104:
1102:
1099:
1097:
1094:
1092:
1089:
1087:
1084:
1082:
1079:
1077:
1074:
1072:
1069:
1067:
1064:
1062:
1059:
1057:
1054:
1052:
1049:
1047:
1044:
1042:
1039:
1037:
1034:
1032:
1029:
1027:
1024:
1022:
1019:
1017:
1014:
1012:
1009:
1007:
1004:
1002:
999:
997:
994:
992:
989:
987:
984:
982:
979:
977:
974:
972:
969:
967:
964:
962:
959:
957:
954:
952:
949:
947:
944:
942:
939:
937:
934:
932:
929:
927:
924:
922:
919:
917:
914:
912:
909:
907:
904:
902:
899:
897:
894:
892:
889:
887:
884:
882:
879:
877:
874:
872:
869:
867:
864:
862:
859:
857:
854:
852:
849:
847:
844:
842:
839:
837:
834:
832:
829:
827:
824:
822:
819:
817:
814:
812:
809:
807:
804:
802:
799:
797:
794:
792:
789:
787:
784:
782:
779:
777:
774:
772:
769:
767:
764:
762:
759:
757:
754:
752:
749:
747:
744:
742:
739:
737:
734:
732:
729:
727:
724:
722:
719:
717:
714:
712:
709:
707:
704:
702:(floats only)
701:
698:
696:(floats only)
695:
692:
691:
689:
683:
678:
674:
667:
662:
660:
655:
653:
648:
647:
644:
638:
635:
633:
630:
629:
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107:December 2008
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62:Find sources:
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40:This article
38:
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18:X-47A Pegasus
3894:Brian Binnie
3888:Mike Melvill
3884:(test pilot)
3758:
3316:
3308:
3293:
3284:
3278:SpaceShipTwo
3268:SpaceShipOne
3165:
3146:Toyota TAA-1
3008:Not assigned
2822:
2549:Experimental
2456:Jake Swirbul
2354:
2300:Gulfstream I
2295:Gulfhawk III
2179:
2111:Gulfstream I
2065:U-16/JR2F/UF
1972:Recon/Scouts
687:designations
685:Manufacturer
611:. Retrieved
602:
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580:. Retrieved
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559:the original
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195:First flight
180:Primary user
169:Manufacturer
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49:Please help
44:verification
41:
2701:26–50
2385:Switchblade
2380:Super Tiger
2330:Joint STARS
2275:Global Hawk
2205:Switchblade
555:DefenseLink
496:Boeing X-45
444:Performance
429:Powerplant:
316:on bottom.
247:Boeing X-45
3922:Categories
3906:Paul Allen
3876:Doug Shane
3870:Burt Rutan
3285:Enterprise
3220:(uncrewed)
3214:(uncrewed)
3100:Pond Racer
3070:VariViggen
3014:Unofficial
2806:X-44 (UAV)
2801:X-44 MANTA
2558:1–25
2270:Fire Scout
1418:G-215 (II)
519:References
405:Wing area:
325:China Lake
283:Burt Rutan
77:newspapers
3872:(founder)
3218:Model 396
3212:Model 395
3136:Adam A500
3120:Model 401
3105:Boomerang
2859:51–
2370:Skyrocket
2285:Greyhound
2230:Albatross
2060:OA-14/J4F
1876:F11F/F-11
1778:Model 400
1413:G-215 (I)
393:Wingspan:
3354:Tier One
2954:See also
2400:Tigercat
2320:Intruder
2290:Guardian
2265:Firebird
2200:Firebird
1859:-6 to -8
1854:-1 to -5
1794:Fighters
679:aircraft
613:21 April
607:Archived
501:MiG Skat
473:See also
436:turbofan
347:Variants
333:tailhook
301:JT15D-5C
3347:flights
3224:Vantage
3207:Triumph
3202:Grizzly
3197:Catbird
3110:Proteus
3095:Voyager
3090:Long-EZ
3085:Defiant
3080:Quickie
3075:VariEze
2503:X-plane
2435:Widgeon
2430:Wildcat
2415:Tracker
2390:Tadpole
2360:Prowler
2355:Pegasus
2350:Panther
2340:Mallard
2315:Hellcat
2310:Hawkeye
2245:Bearcat
2235:Avenger
2218:By name
2106:Tadpole
2091:Mallard
1910:Bombers
1901:NATF-23
1881:F11F-1F
1787:By role
673:Grumman
582:11 June
399:Height:
387:Length:
339:. The
289:at the
190:History
91:scholar
2444:People
2425:Triton
2420:Trader
2410:Tracer
2405:Tomcat
2375:Spirit
2365:Raider
2345:Mohawk
2335:Kitten
2325:Jaguar
2250:Cougar
2225:Ag Cat
2147:EF-111
2125:Others
2101:Kitten
2096:Ag Cat
2020:UC-103
1891:F-111B
1773:G-1159
1768:G-1128
1697:G-680
451:Range:
267:Boeing
243:UCAS-D
235:J-UCAS
93:
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3933:DARPA
3294:Unity
3192:BiPod
2996:XQ-67
2991:XQ-58
2986:M2-F3
2981:M2-F2
2976:M2-F1
2971:HL-10
2966:HiMAT
2833:X-47C
2828:X-47B
2797:X-44
2685:X-24C
2395:Tiger
2280:Goose
2190:X-47C
2185:X-47B
2180:X-47A
2170:Q-180
2055:OA-13
2035:OA-12
1886:G-118
1871:XF10F
1836:XP-65
1826:XP-50
1763:G-870
1758:G-755
1753:G-754
1748:G-744
1743:G-730
1738:G-728
1733:G-723
1728:G-712
1723:G-711
1718:G-704
1713:G-698
1693:G-674
1688:G-636
1683:G-623
1678:G-618
1673:G-613
1668:G-612
1663:G-607
1658:G-550
1653:G-532
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1643:G-516
1638:G-511
1633:G-487
1628:G-486
1623:G-484
1618:G-467
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1608:G-436
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1593:G-426
1588:G-413
1583:G-399
1578:G-391
1573:G-378
1568:G-376
1563:G-371
1558:G-359
1553:G-356
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1218:G-105
1213:G-104
1208:G-103
1203:G-102
1198:G-101
1193:G-100
366:X-47C
359:X-47B
353:X-47A
329:pound
255:X-47B
231:DARPA
222:is a
98:JSTOR
84:books
3315:VMS
3307:VMS
3292:VSS
3283:VSS
3187:ATTT
3182:ARES
3161:X-38
2961:AD-1
2941:X-66
2936:X-65
2931:X-64
2926:X-63
2921:X-62
2916:X-61
2911:X-60
2906:X-59
2901:X-58
2896:X-57
2891:X-56
2886:X-55
2881:X-54
2876:X-53
2871:X-52
2866:X-51
2850:X-50
2845:X-49
2840:X-48
2823:X-47
2818:X-46
2813:X-45
2793:X-43
2788:X-42
2783:X-41
2778:X-40
2773:X-39
2768:X-38
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2640:X-16
2635:X-15
2630:X-14
2625:X-13
2620:X-12
2615:X-11
2610:X-10
2260:Fifi
2255:Duck
2175:X-29
2142:E-10
2050:OA-9
1999:EA-6
1994:OV-1
1984:XSBF
1948:TB2F
1943:XTSF
1922:B-21
1896:F-14
1850:F9F
1821:XF5F
1188:G-99
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675:and
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584:2009
468:0.65
431:1 Ă—
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3309:Eve
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2590:X-6
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2575:X-3
2570:X-2
2565:X-1
2540:S-5
2535:S-4
2530:S-3
2525:S-2
2520:S-1
2240:Bat
2195:Bat
2161:Q-8
2152:Q-4
2137:E-8
2075:C-2
2070:C-1
2045:J3F
2040:JRF
2030:J2F
2004:E-2
1989:E-1
1963:A-6
1958:S-2
1938:TBF
1917:B-2
1866:F-9
1846:F8F
1841:F7F
1831:F6F
1816:F4F
1811:F3F
1806:F2F
736:G-9
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323:at
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2025:JF
1979:SF
1953:AF
1801:FF
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3288:â€
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