NASA Armstrong Flight Research Center

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NASA’s innovative X-59 QueSST demonstrator cruises high above the Mojave Desert in California during its maiden flight – which lasted 67 minutes and allowed initial in-flight systems and performance checks to be completed – on October 28, 2025. Further flights will continue to expand the flight envelope of the X-59. Image: NASA/Lori Losey

NASA charts new envelope expansion milestones as X-59 returns to flight testing

Edwards AFB

April 2, 2026

NASA's X-59 Quesst [registration N859NA '859'] is seen in-flight over California during the experimental supersonic aircraft's brief second test sortie on 21 March 2026. Image: NASA/Jim Ross

2nd test flight for NASA’s X-59 quiet supersonic aircraft ends early after system warning

Edwards AFB

March 23, 2026

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