Boom Supersonic sans Sonic boom

Boom Supersonic's XB-1 jet breaks sound barrier 3 times on final test flight (video, photos)
Boom Supersonic's XB-1 pathfinder vehicle went out in style on Monday (Feb. 10), breaking the sound barrier three times on its 13th and final test flight.
Boom Supersonic XB-1 jet breaks sound barrier on historic test flight (video)
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Boom Supersonic: Our Flights Can Break Sound Barrier Without a Sonic Boom
During the second supersonic flight of the XB-1 technology demonstrator today, the jet exceeded Mach 1 three times without a boom being detected by microphones on the desert floor below.
XB-1 supersonic aircraft smashes sound barrier without explosive boom
If you've been keeping tabs on aviation news as of late, you saw that Boom Supersonic just recently broke the sound barrier with its XB-1 demonstrator aircraft. Oddly enough, no one on the ground heard a thing during its "boomless" cruise.
Boomless Cruise: How Boom Supersonic’s XB-1 breaks the sound barrier quietly
Hot on the heels of its milestone supersonic flight with its demonstrator aircraft, XB-1, Boom Supersonic has another surprise up its sleeve. During the demonstration flight on January 28, 2025, the XB-1 broke the sound barrier three times,
Boom Supersonic XB-1 breaks sound barrier during test flight
The Boom Supersonic aircraft exceeded Mach 1 after taking off from the Mojave Air and Space Port in California for its highly anticipated 12th test flight.
Experimental jet achieves supersonic flight, minus the boom
Boom Supersonic passed a major milestone last month when its XB-1 prototype became the first civil aircraft to break the sound barrier over the continental US. Less than a month later, Chief Test Pilot Tristan “Geppetto” Brandenburg has once again surpassed Mach 1 in the experimental plane while flying as high as 36,
Supersonic XB-1 Jet Completes Final Test Flight, Paving the Way for the Overture
The XB-1 supersonic jet from Boom Supersonic completed its 13th and final test flight on February 10, 2025, breaking the sound barrier for the last time.
Boom’s supersonic test plane breaks the sound barrier for the first time
On its 12th test flight, the Boom XB-1 prototype broke the sound barrier three times and achieved a top speed of Mach 1.1.
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Boom Supersonic announces breakthrough in travel at the speed of sound
Boom Supersonic plans to build the world’s fastest airliner, Overture, and this week announced a breakthrough in the ...
Boom Supersonic XB-1 breaks sound barrier over Mojave Desert
About 35,000 feet (10,670 meters) over the Mojave Desert, northwest of Los Angeles, Boom Supersonic's XB-1 became the first ...
USA Today18d
Watch Boom supersonic jet break sound barrier on path to speed up commercial flights
Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian supersonic jet to break the sound barrier. The independently funded XB-1 reached a speed of Mach 1.122, or about 750 ...
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Boom Supersonic breaks sound barrier in test flight reaching Mach 1.122
Boom Supersonic's XB-1 aircraft broke the sound barrier during a test flight in California. The company conducted its 12th test flight of the demonstrator aircraft, pushing the limits as it was ...
Boom Supersonic breaks sound barrier for the first time
Boom Supersonic passed a major milestone Tuesday on its path to reintroduce supersonic commercial flights. After years of testing and refinement, a pilot flying the aerospace company’s XB-1 scale ...