Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...
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 ... it reached an altitude of 35,000ft before accelerating ...
SON of Concorde' XB-1 jet is "on track" to break ... 32,417ft in a test flight on 19 December, a new speed and altitude record at the time. The most recent test flight on 10 January saw XB-1 ...
Tuesday’s XB-1 flight marks the first human-piloted civil supersonic flight since Concorde’s retirement ... scale demonstrator aircraft reached an altitude of 35,290 feet before accelerating ...
A private company aiming to build the first supersonic airliner since the Concorde retired more than ... or 750 mph, at an altitude of about 35,000 feet. Brandenburg brought the plane to a ...
Boom's Supersonic XB-1 demonstrator is the first civil aircraft to break the sound barrier since the Concorde, reaching a speed of Mach ... 12 minutes into the test flight at around 35,000 feet ...