but a major milestone was achieved on January 28 when Boom Supersonic completed its first supersonic flight. Boom, the American company building what promises to be the world’s fastest airliner ...

Flown by Boom Supersonic’s chief test pilot, Tristan “Geppetto” Brandenburg, the aircraft called XB-1 reached an altitude of 35,290 feet before accelerating to Mach 1.122, or 750 mph, Boom ...

Boom Supersonic’s XB-1 demonstrator plane just went supersonic in the skies over California’s Mojave Desert, making it the first civil aircraft to break the sound barrier. The American startup ...

Boom Supersonic's XB-1 demonstrator plane just went supersonic in the skies over California's Mojave Desert, making it the first civil aircraft to break the sound barrier. The American startup's ...

Last week, American company Boom Supersonic flew faster than the speed of sound with its XB-1 supersonic demonstrator aircraft. It’s now the first piloted ... S-512 Diplomat concept also aims ...

The airspace in which Boom Supersonic complete its test holds historic significance—known as the Bell X-1 Supersonic Corridor, the area is named after the first plane to break the sound barrier ...