A supersonic jet built by Boom Technology broke the sound barrier for the first time Tuesday, advancing its bid to resurrect high-speed passenger flights.

A sleek white aircraft has become the first independently developed jet to break the sound barrier. The XB-1 aircraft accelerated to Mach 1.05 within about 11 minutes of taking off Tuesday.

Boom plans to focus next on the Overture airliner, which it says will carry as many as 80 passengers while moving at about twice the speed of today’s subsonic airliners. “XB-1’s flight demonstrates that the technology for passenger supersonic flight has arrived,