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NASA

NASA’s X-59 clears key test marks for quiet supersonic flights

NASA says the X-59 reached Mach 1.4 and 55,000 feet in a critical recent test.
The aircraft is designed to create a quieter sonic thump instead of a traditional sonic boom.
Community overflights are planned later in the Quesst mission after acoustic validation.

DE

DT Editorial Team·Jun 15, 2026·via engadget.com

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NASA’s X-59 quiet supersonic research aircraft flies through the blue sky. The plane has a distinctive long, sharp nose. There are mountains visible at the bottom of the photo.

NASA's X-59 Breaks Sound Barrier, Paving Way for Quiet Supersonic Flight

NASA's X-59 flew supersonic for the first time on June 5, 2026.
The aircraft reached Mach 1.1 (713 mph) during an 81-minute flight.
Test pilot Jim 'Clue' Less evaluated flying qualities at subsonic and supersonic speeds.
The X-59 is central to NASA's Quesst mission for quiet supersonic flight.

DE

DT Editorial Team·Jun 8, 2026·via nasa.gov

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NASA’s X 59 eXternal Vision System digital display shows green flight data overlaid on the forward scenery as the aircraft flies supersonic. Numerical indicators, horizon references, and a Mach number readout are visible on the screen.

NASA’s X-59 breaks the sound barrier for the first time

The X-59 reached about Mach 1.1 and 43,400 feet in an 81-minute flight on June 5, 2026.
NASA says the aircraft is designed to create a quiet thump instead of a loud sonic boom.
A higher-speed “mission conditions” flight to Mach 1.4 is expected next.

DE

DT Editorial Team·Jun 6, 2026·via nasa.gov

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NASA’s X-59 quiet supersonic research aircraft flying above Rogers Dry Lake in California with its landing gear extended during a test flight on May 12, 2026. The aircraft’s long, nose and white fuselage are visible against the light tan desert surface below.

NASA’s X-59 nears a pivotal first supersonic flight

NASA expects the X-59 to make its first supersonic flight in early June.
A later test aims for Mach 1.4 at about 55,000 feet.
Current flights focus on performance and shock-wave data, not quiet-boom demonstrations.

DE

DT Editorial Team·May 29, 2026·via nasa.gov

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NASA’s X-59 adds a Freedom 250 insignia as the Quesst mission moves toward its public-facing phase

NASA added a Freedom 250 logo to the X-59’s livery.
The X-59 is the central aircraft in NASA’s Quesst mission.
NASA says the mission is intended to demonstrate supersonic flight without loud sonic booms.
The update links the aircraft to the United States’ 250th anniversary in 2026.

DE

DT Editorial Team·Apr 28, 2026·via nasa.gov

DE

DT Editorial Team·Mar 22, 2026·via nasa.gov

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X-59 in flight during it's second flight.

NASA's X-59 Quiet Supersonic Aircraft Completes Second Flight

NASA's X-59 completed its second test flight, beginning an intensive campaign toward demonstrating low-boom supersonic flight
X-59's elongated fuselage design spreads shock waves to produce a ~75 dB thump rather than a disruptive sonic boom
Community overflight tests will collect data regulators need to potentially revise the 50-year ban on overland supersonic commercial flight
Commercial programs like Boom Supersonic's Overture would directly benefit from regulatory changes enabled by X-59 success

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