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Airplane arrived at Boeing site for X-66A modification

Milestone for experimental aircraft project -VIDEO

Boeing has ferried an MD-90 airplane to the site where it will be modified to test the Transonic Truss-Braced Wing (TTBW) configuration as part of NASA's Sustainable Flight Demonstrator project. 

As Boeing, NASA and community leaders gathered at the company's facility in the last days to recognize the milestone in development of the experimental X-66A aircraft.

The X-66A is NASA's first experimental plane focused on helping the US achieve its goal of net-zero aviation greenhouse gas emissions. Modification will begin soon and ground and flight testing is expected to begin in 2028.

With ultrathin wings braced by struts with larger spans and higher-aspect ratios, the TTBW design and other expected technological advances could lead to reductions in fuel use and emissions by up to 30%. Boeing and NASA have collaborated for more than a decade on the concept through the Subsonic Ultra Green Aircraft Research (SUGAR) Program.

Below, the video about the MD-90:

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AVIONEWS - World Aeronautical Press Agency