girl jet Tracy offers to look after Snuffy for Brenda. Then she discovers it clashes with the Air Carnival. Not wanting to break her promise, she does babysit and has a wonderful time. In Jay Jay ...

A small prototype jet has broken ... the return of supersonic travel, halving some commercial journey times. The era of supersonic commercial flying "came to an abrupt end" in 2003 with the ...

Less than a month later, Chief Test Pilot Tristan “Geppetto” Brandenburg has once again surpassed Mach 1 in the experimental plane ... For Boom Supersonic to realize its end goal of ...

A civilian jet plane broke the sound barrier for the first ... The XB-1 aircraft, manufactured by Boom Supersonic, ascended to 35,290 feet before accelerating to Mach 1.12 or 750mph.

Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for ... of around 35,000 feet (10,668 meters), the test plane exceeded Mach 1, the speed of sound, marking ...

NASA's X-59 supersonic jet looks ready for some serious speed in new photos. Lockheed Martin has been building the X-59 for NASA, as part of a project to develop a "quiet" supersonic aircraft that ...

Lower airfare and a taller cabin Boom's plan to eliminate the high costs associated with the Concorde may bring down supersonic ticket prices — making the jet more affordable for airlines and ...

It marks the first time an independently developed jet has broken the sound barrier, Boom Supersonic said, and the plane is the "first supersonic jet made in America." The sound barrier was broken ...

Boom Supersonic's XB ... and to do the same with the jet's Symphony engines next month, he added. "Our goal is to be making thrust on those engines around the end of this year, start building ...

Boom Supersonic’s XB-1 jet broke the sound barrier for the first ... invigorating the company’s ambition to design a supersonic passenger plane capable of reaching Mach 1.7, or 1,304 mph.

Ten months after its long-delayed first subsonic flight took place last March, Boom Supersonic’s prototype test plane, the XB-1, broke the sound barrier today three times during its 12th flight.