Douglas’ late 1989 launch of the MD-90 series twinjets literally rung in the death knell for the Unducted Fan (UDF) and indicated clearly that airlines, large and small, are not yet ready to ...

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

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

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 ...

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

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

NASA and Boeing have decided to halt the development of the X-66, an experimental aircraft with ultrathin wings and a lattice ...

A Royal Thai Police Viking DHC-6-400 Twin Otter plane crashed into the Gulf of Thailand near Hua Hin Airport on Friday.

The X-66 program heavily modified a McDonnell Douglas MD-90 aircraft to demonstrate a truss-braced version of the thin wing. The experimental aircraft was at the forefront of NASA’s plans to ...