Boeing X-66A Mods Begin to Create the Truss-Braced Wing Aircraft

The strutted airplane will be designed to reduce carbon emissions.

Friday, August 18, 2023 at 11:52 AM ET

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Boeing will modify this MD-90 to test the Transonic Truss-Braced Wing configuration as part of NASA’s Sustainable Flight Demonstrator project. [Courtesy: NASA]

Key Takeaways:

Boeing and NASA are collaborating on the Sustainable Flight Demonstrator project to develop a more fuel-efficient aircraft.
An MD-90 will be extensively modified into the X-66A to test the Transonic Truss-Braced Wing (TTBW) configuration.
The project aims to reduce fuel consumption and emissions by 30% and contribute to NASA's goal of net-zero aviation greenhouse gas emissions by 2050.
Ground and flight testing for the X-66A, featuring ultra-thin, strut-braced wings, is expected to begin in 2028.

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In short order Boeing (NYSE:BA) will begin modifications to a McDonnell Douglas MD-90 to test the Transonic Truss-Braced Wing (TTBW) configuration as part of NASA’s Sustainable Flight Demonstrator project.

The MD-90 was flown from Victorville to Palmdale, California, where it will undergo “extensive modification” to test TTBW) as part of NASA’s undertaking. The aircraft is designated the X-66A.