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Truss Braced Wing test in the 11-by 11-foot test section.
A man looks at white ice built up on a section of scale-model transonic truss-braced wing. The model wing stands vertically in NASA Glenn’s Icing Research Tunnel.
A white model of an airplane mounted on top of a long silver pole, in the background there are orange lights illuminating the area. The model is surrounded by grey panels, with fluorescent lights on the top.

Subsonic Flight Demonstrator Project

The purpose of the Subsonic Flight Demonstrator (SFD) project is to engage with industry and other government organizations to identify, select, and mature key airframe technologies—such as new wing designs—that have a high probability of transition to the next‑generation single‑aisle-seat class airliner.

Learn More About the SFD Project about Subsonic Flight Demonstrator Project

project manager (PM)

Sarah Waechter

Deputy PM

Rich DeLoof

chief engineer

Dr. Renee Horton

chief technologist

Tony Washburn

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