Aircrafttotal Encyclopedia

Prototypes & demonstrators

Quiet Bird, Have Blue, Tacit Blue, Bird of Prey, X-36 and other test aircraft that made stealth possible.

Stealth aircraftDesignationManufacturerIn serviceTypeStatus
Boeing Quiet Bird“Model 853”Boeing1962Low-observable test aircraftPrototype
Lockheed Have BlueLockheed Skunk Works1977Stealth technology demonstratorPrototype
Northrop Tacit Blue“Whale”Northrop1982Stealth technology demonstratorMuseum
Boeing Bird of Prey“YF-118G”Boeing Phantom Works1996Stealth technology demonstratorMuseum
McDonnell Douglas X-36McDonnell Douglas / NASA1997Tailless fighter research aircraftMuseum
Sukhoi Su-47 Berkut“Firkin”Sukhoi1997Experimental fighter (forward-swept wings)Prototype
Scaled Composites Model 437 VanguardScaled Composites / Northrop Grumman2024Low-cost combat aircraft demonstratorPrototype
EADS Mako / HEAT“HEAT”EADSAdvanced trainer / light fighter (concept)Concept