Boom XB-1, Supersonic and sound barrier

Boom Supersonic's XB-1 smashes the sound barrier — becoming the 1st civil aircraft to go supersonic in US history
By achieving a top speed of Mach 1.1, Boom Supersonic has broken records and is on course to revive supersonic passenger travel.
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.
First independently developed jet breaks the sound barrier over the California desert
The XB-1 aircraft accelerated to Mach 1.05 within about 11 minutes of taking off, according to Boom Supersonic and live video of the test flight.
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).
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 privately funded airplane to break the sound barrier during a test flight on Tuesday.
Boom Supersonic XB-1 jet breaks sound barrier on historic test flight (video)
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Boom Supersonic to break sound barrier during historic test flight today: Watch live
Boom Supersonic's XB-1 demonstrator craft will break the sound barrier for the first time during a Jan. 28 test flight, and you can watch the action live.
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.
Boom Supersonic’s X-B1 Plane Breaks Sound Barrier, Bringing Supersonic Travel Closer to Reality
The aerospace company put its technology to the test today, breaking the sound barrier and reviving the dream of supersonic commercial flight.
Boom Supersonic breaks sound barrier without 'audible boom'
A Colorado-based company said it broke the sound barrier three times without generating a sonic boom that reached the ground.
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.
A new airplane silently broke the sound barrier. It looks nothing like NASA’s X-59
Thanks to upgraded engines and advanced computers that monitor weather in real time, Boom Supersonic achieved the holy grail ...
USA Today17d
Boom Supersonic aircraft expects to break sound barrier over Mojave Desert
The countdown has begun for the XB-1’s “historic” first supersonic test flight that should break the sound barrier, according to Boom Supersonic. The test flight for the Boom Supersonic XB ...
New Atlas16d
First private-built supersonic plane smashes sound barrier
where Chuck Yeager became the first man to break the sound barrier in level flight, in the X-1 aircraft in 1947. Reaching an altitude of 35,290 ft (19,756 m), the Boom XB-1 became not only ...