Boom Supersonic sans Sonic boom

'Baby Boom' – the jet that could bring back supersonic travel
The scaled-down prototype, nicknamed the "Baby Boom", broke the sound barrier for the first time during a test flight over the Mojave Desert in California in late January. The small jet, officially called XB-1, reached an altitude of 35,000 feet before accelerating to Mach 1.1 (844mph) – "10% faster than the speed of sound", said Sky News.
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,
Boom Supersonic's XB-1 jet breaks sound barrier 3 times on final test flight (video, photos)
The XB-1 broke the sound barrier three times during its 13th and final test flight, which lifted off Monday from the Mojave Air & Space Port in southeastern California at about 1:50 p.m. EST (1850 GMT; 10:50 a.m. local time in California).
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 Supersonic sans the sonic boom: The XB-1's quiet Mach 1 flight
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.
Supersonic jets are making a comeback – but despite the hype, don’t expect to book yet
American company Boom Supersonic just broke the sound barrier with a civilian plane. What exactly is supersonic travel, and ...
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How Did The XB-1 Jet Break The Sound Barrier Without Producing An Audible Sonic Boom?
B oom Supersonic, the company aiming to create commercial planes that can travel faster than the speed of sound, have successfully tested their XB-1 jet. According to the company, the jet was able to ...