Boom Supersonic's XB-1 is approaching the sound barrier with its 11th test flight in the XB-1 test campaign. The 11th test flight focused on dynamic pressure to ensure that the Boom XB-1 could ...

Boom Supersonic is one step closer to launching the spiritual heir to the Concorde. The US firm’s XB-1 prototype reached a transonic speed of Mach 0.95 during Test Flight 11 on January 10 ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde after acing its 11th test and reaching 0.95 Mach at low altitudes.

Almost 22 years after Concorde made its final commercial flights, a prototype passenger jet has broken the sound barrier during a supersonic test flight. Boom Supersonic founder and CEO Blake ...

SON of Concorde' XB-1 jet is "on track" to break the sound barrier in early 2025, makers of the supersonic plane have announced. In its first major update of the year, bosses at Colorado-based ...

While XB-1’s supersonic flight will last between 30 and 45 minutes, it will only fly at true supersonic speeds for about four minutesCredit: BoomSupersonic The supersonic plane, built by ...