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

Transonic truss-braced wing project is on hold after Boeing proposes to investigate a simpler, thin-wing design.

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

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

Learn more about Boeing's proposal to redirect the focus of NASA’s Sustainable Flight Demonstrator project to long, 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 will pause work on the X-66 Sustainable Flight Demonstrator, an experimental plane design featuring long, ...

Boeing (BA) will pause development of its X-66 Sustainable Flight Demonstrator and redeploy some of the engineers on the program to the 777X ...

For the task at hand NASA partnered not long ago with aerospace giant Boeing to build a demonstrator aircraft that's known as the X-66. The plane will not be built from the ground up, but will ...

A Boeing-built X-66 full-span model underwent testing in the 11-Foot Transonic Unitary Plan Facility at NASA's Ames Research Center in ...

NASA designed temporary floorboards for the MD-90 aircraft to use while it is transformed into the X-66 experimental ...