2004 / 12 / 6 Update.

Bell Aerosystems	Bell X-22A VTOL Experimental Aircraft Length : 12.06m Wing Span (Front) : 7.0m Wing Span (Rear) : 11.96m Hight : 6.31m Wing Area (Front) : 12.91 Square meter Wing Area (Rear) : 26.57 Square meter All-Up Weight : 8,172Kg Empty Weight : 5,197Kg Engine : General Electric YT58-GE-8D Turbo Shaft (1,050shp) X 4 Max Speed : 410Km/h Max Altitude : 8,500m Range : 720Km Crew : 2
Lockheed-Martin	Lockheed X-26A Length : 8.15m Wing Span : 17.4m Hight : 2.82m Wing Area : 16.72 Square meter Empty Weight : 648.6Kg Engine : unpowered Max Speed : 254Km/h Max Altitude : 5,638m Crew : 2
Lockheed	Lockheed X-26B Length : 9.42m Wing Span : 17.4m Hight : 2.82m Wing Area : 16.72 Square meter All-Up Weight : 990Kg Empty Weight : 715Kg Engine : Continental O-200-A (100hp) X 1 Max Speed : 185Km/h Max Altitude : 3,960m Range : 560Km Crew : 2
	Pereira Osprey II ( The archetype of X-28 Osprey I )
Lockheed-Martin	Pereira X-28 Ospray Length : 5.26m Wing Span : 7.0m Hight : 1.60m Empty Weight : 408Kg Engine : Continental C90-12 X 1 Max Speed : 217Km/h Max Altitude : 5,486m Crew : 1
Boeing	Boeing X-46 UCAV-N Length : 9.75m Wing Span : 12.19m
Northrop-Grumman	Northrop-Grumman X-47A Pegasus UCAV Experimental Aircraft ( The Prototype of UCAV-N ) Length : 8.5m Wing Span : 8.5m Hight : 1.60m Engine : Plat & Whittney JT15D-5C (1,450Kg) X 1
DAPRA	Northrop-Grumman X-47B UCAV Aircraft ( The Prototype of UCAV-N )
Boeing	Boeing X-50 CRW (Canard Rotor Wing) Experimental Aircraft