Boom Supersonic's XB-1 breaks sound barrier 6 times

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.
Supersonic airliner breaks sound barrier in second test flight with quiet sonic boom
Aerospace startup Boom says they've proven quiet supersonic flight is possible with their passenger airplanes after a successful second test flight.
How the XB-1 aircraft went supersonic without a sonic boom
When the experimental XB-1 aircraft achieved supersonic speeds on a test flight, it did not create a disruptive sonic boom – thanks to a physics phenomenon called the Mach cutoff
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 prototype finally broke the sound barrier during a livestream event—not once, not twice, but three times.
Boom Supersonic to break sound barrier during historic test flight today: Watch live
Boom Supersonic plans to break the sound barrier during a test flight this morning (Jan. 28). This would mark the first time the company achieves the feat, and you can watch the historic action live.
Boom Supersonic XB-1 jet breaks sound barrier on historic test flight (video)
Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for the first time. Boom Supersonic's chief test pilot Tristan "Geppetto" Brandenburg took off in the company's XB-1 jet from the storied Mojave Air & Space Port in California this morning under mostly clear skies.
Watch Boom supersonic jet break sound barrier on path to speed up commercial flights
Boom's Supersonic XB-1 jet became the “world’s first independently developed supersonic jet” to break the sound barrier Tuesday.
Boom! A fast and loud breakthrough: A supersonic jet breaks the sound barrier
Boom Supersonic’s XB-1 has broken the sound barrier, paving the way for faster commercial flights if future tests succeed.
Boom Supersonic says XB-1 aircraft flew over Mach 1 with no audible sonic boom on the ground below
Boom Supersonic says its XB-1 aircraft achieved supersonic flight without an audible sonic boom on the ground below. CEO Blake Scholl hopes supersonic passenger flight will eventually be allowed in the U.
Boom Supersonic to livestream next supersonic flight test on Monday
The second series of supersonic flight tests are scheduled for 1:30 p.m. Monday as part of Boom “scaling up the technology on XB-1 for the Overture supersonic airliner,” said Blake Scboll, Boom’s co-founder and chief executive.
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 ...
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.