The X-66 program heavily modified a McDonnell Douglas MD-90 aircraft to demonstrate a truss-braced version of the thin wing.

Manufacturer proposes to instead focus its efforts on developing thin-wing technology, which it believes may have broader ...

NASA and Boeing have effectively cancelled the X-66 Transonic Truss-Braced Wing (TTBW) concept demonstrator aircraft.

Boeing Puts NASA X-66 Plan On Ice Amid Future X-Plane Fears is available to both Aviation Week & Space Technology and AWIN subscribers. Subscribe now to read this content, plus receive critical ...

Boeing and NASA will pause work on the X-66 Sustainable Flight Demonstrator, an experimental plane design featuring long, ...

Boeing this summer will stop developing NASA's X-66 truss-braced-wing demonstrator aircraft and shift its focus specifically ...

Boeing and NASA are to pause development of the X-66 flight demonstrator to focus their research on the evolution of long, ...

Based on a heavily modified McDonnell Douglas MD-90, the X-66 was intended to demonstrate a truss-braced version of the thin wing at full scale. The experimental aircraft formed the flagship of NASA’s ...

Learn more about Boeing's proposal to redirect the focus of NASA’s Sustainable Flight Demonstrator project to long, thin-wing technology research.

We're still a long way from seeing the TTBW X-66 take to the sky with its weird wings, as NASA only began ... crowded segment in commercial aviation. That is, of course, if aircraft makers decide ...

Boeing and NASA announced on Thursday the pause of work on the X-66A Sustainable Flight Demonstrator project. Boe ...

Boeing and NASA will pause work on a new, experimental aircraft design meant to deliver more sustainable options for the future of aviation.