Ever since the Concorde was retired, civilian air transportation was left without any means of going past the speed of sound. But even when the Concorde .
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Nasa completes preliminary design review of QueSST aircraft design
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26 June 2017
Nasa has completed the preliminary design review (PDR) of its Quiet Supersonic Transport (QueSST) aircraft design, thereby achieving a major milestone towards developing a supersonic passenger jet that can travel over land.
QueSST is the initial design stage of Nasa s planned Low Boom Flight Demonstration (LBFD) experimental airplane, which is also called as an X-plane.
The QueSST design can help LBFD aircraft to achieve its mission objectives, which include flying at supersonic speeds, but creating a soft thump instead of a disruptive sonic boom that usually supersonic jets create.