So, although these flights were traveling faster than the speed of sound on paper, the plane never broke the sound barrier. Speed of sound is referenced by airspeed, not ground speed – which is ...

The current subsonic speed record stands at ... Since these flights were moving with the wind rather than accelerating independently, their true airspeed remained within normal cruising limits.

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde after acing its 11th test and reaching 0.95 Mach at low altitudes.

The first, called the Cockpit Voice Recorder, records radio transmissions ... The second is called a Flight Data Recorder, which monitors parameters such as altitude, airspeed, and heading.

Storm Eowyn has resulted in jet stream winds in excess of 260mph over the east coast of the US, meaning records could be broken over the coming days. Transatlantic passengers flying between the US and ...

“The subsonic speed record currently ... While their airspeed remains the same, their groundspeed – relative to the ground – can rapidly increase. It is the reason why the flight time ...