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 ...

A supersonic jet built by US company Boom has broken the sound barrier for the first time since the Concorde during a test flight. Boom's Supersonic XB-1 demonstrator is the first civil aircraft to ...

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 ...

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 ...

The same airspace saw Chuck Yeager become the first person to exceed the speed of sound in 1947. Boom’s test plane is named after Mr Yeager’s iconic aircraft, the Bell X-1. Former Concorde ...

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

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