Boom Supersonic plans to break the sound barrier during a test flight ... first supersonic passenger jet since the British-French Concorde, which was retired in 2003. "It will still be a few ...

Almost 22 years after Concorde made its final commercial flights, a prototype passenger jet is attempting to break the sound barrier – and its first supersonic test flight takes off today (28 ...

The XB-1 aircraft accelerated to Mach 1.05 within about 11 minutes of taking off, according to Boom Supersonic and live video ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde ...

A supersonic passenger jet dubbed the ‘New Concorde’ travelled faster than the speed of sound for the first time during a test flight today. Some 34,000ft above California’s Mojave Desert ...

A US company's prototype jet has broken the sound barrier in a demonstration it hopes will pave the way for a successor to the Concorde. Boom Supersonic's XB-1 is the first civilian aircraft to ...

A prototype of a passenger jet meant to succeed Concorde has broken the sound barrier on its first test flight Boom Supersonic tested its XB-1 jet above the Mojave Desert in California The US ...

The single-seat, three-engine jet is the first independently developed plane to exceed Mach 1 in level flight.