Supersonic speed is the speed of an object that exceeds the speed of sound (Mach 1). For objects traveling in dry air of a temperature of 20 °C (68 °F) at sea level , this speed is approximately 343.2 m/s (1,126 ft/s; 768 mph; 667.1 kn; 1,236 km/h).

1 day ago · Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for its first time with a test flight in Mojave, California, on Tuesday.

1 day ago · Supersonic test is a boon for company aiming to build faster airliners Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...

19 hours ago · An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during a test flight Tuesday in the same Mojave Desert airspace in California where Charles “Chuck” Yeager was the first person to break the sound barrier in 1947. ...

2 days ago · Boom Supersonic is now the first independent company to break the sound barrier with an aircraft intended for civilian use. (The Concorde was created in agreement with the U.K. and French ...

19 hours ago · An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during a ...

1 day ago · Planned specifications for this supersonic airliner include a cruising speed of Mach 1.7 and a maximum speed of Mach 2.2. It is intended to have a maximum range of 4,500 miles (7,200 km) and carry ...

19 hours ago · The Boom Supersonic's XB-1 aircraft breaks the sound barrier, Mach 1, during a test flight Tuesday, Jan. 28, 2025, over the Mohave Desert, Calif. (Boom Supersonic via AP) (Uncredited)

1 day ago · A prototype of a passenger jet designed to succeed the supersonic Concorde broke the sound barrier for the first time on Tuesday above the Mojave Desert in California.. Why it matters: Exceeding Mach 1 speed — 770 miles per hour — is an important milestone in the quest by Boom Supersonic, a Denver-based startup, to resurrect high-speed air travel 22 years after …

2 days ago · Supersonic commercial flight over land was prohibited by the Federal Aviation Administration (FAA) in 1973, in part due to the disruptive crack of sonic booms that faster-than-sound flight ...