Private jets soar at higher altitudes than commercial airliners for many reasons that you may have never considered. Here are ...

Cruising altitude is the height above sea level that the aircraft flies for the majority of its time in the air. Most commercial jets ... aircraft can fly at high altitudes, but their performance ...

Boom Supersonic's XB-1 prototype has completed its eighth test flight, during which the aircraft achieved its highest speed and altitude to ... capabilities of most commercial aircraft.

But while the successful test flight of XB-1 shows that supersonic flight without sonic booms is technically feasible, the next phase is making it economically feasible. Right now, both subsonic and ...

It just completed its longest and highest test flight. Descending autonomously from a release altitude of 3500 m, with an additional radiosonde payload, it landed within 5 m of the launch point.