The test flight for the Boom Supersonic XB-1, a prototype aircraft that many tout as the Concorde’s successor, will be livestreamed at 6:45 a.m. PST on Tuesday, Jan. 28, 2025, from Mojave north ...

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, 2025.

The latest test was a 44-minute flight that reached an altitude of 29,481 ft (8,986 m). The company's Chief Test Pilot Tristan “Geppetto” Brandenburg flew the XB-1 demonstrator aircraft, reaching ...