Concorde, which is now retired, was the only commercial airliner that flew faster than the speed of sound.
the Concord
the Concord
Concorde
The speed of sound does not travel. In the event that an airplane's airspeed is below Mach-1, the speed of sound is faster than the speed of the airplane. On the occasion and at the moment when the true indicated airspeed of an airship or an airplane is in excess of Mach-1, the airplane is at that time traveling faster than the speed of sound.
It is going faster than the speed of sound.
Sonic boom
yes. that is below the speed of sound, and there are passenger planes that are supersonic (faster than the speed of sound)
Only if it's traveling at less than the speed of sound
the Concord
the Concord
the Concord
In current use - no one. But the Concorde and its Russian counterpart were faster than the speed of sound.