Typical of nice cars, especially a Cobra Jet Mach 1, people would walk up to the car, nod appreciatively, and ask, “How much?” ...

The car is an original Q-code Mach 1 428 Cobra Jet Non-Ram Air, but the engine is missing in action, replaced by a mongrel of a 427 block, 428 heads, and intake ...

XB-1 breaks the sound barrier The test flight saw the XB-1 reach Mach 1.1, approximately 844 mph, making it the jet’s fastest flight.

Boom's Supersonic XB-1 jet became the “world’s first independently developed supersonic jet” to break the sound barrier Tuesday.

A restored example with a 428 CJ and a four-speed from the debut year of the Mach 1 model with 26k miles (true mileage unknown) is offered at $90k ...

Scott Skalitzky 1971 Mustang Cobra Jet Mach 1 restoration was delayed for almost three decades.

Boom Supersonic's XB-1 aircraft set a new speed record during its latest test flight on Nov. 5, marking a major milestone toward flying at supersonic speeds.

Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for the first time on a test flight over the American desert.

NASA said it’s working on producing a passenger jet prototype that can fly “from New York City to London up to four times faster than what’s currently possible.” ...

Boom Supersonic has reached a significant milestone by obtaining approval from the Federal Aviation Administration (FAA) to fly faster than Mach 1.

XB-1 supersonic jet authorized for flights exceeding Mach 1 FAA issues special flight authorization (SFA) for Boom Supersonic test flights, planned for later this year in the Black Mountain Supersonic ...