This is an old revision of this page, as edited by Maury Markowitz (talk | contribs) at 20:05, 22 January 2003. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
Revision as of 20:05, 22 January 2003 by Maury Markowitz (talk | contribs)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)Any speed over the speed of sound is said to be supersonic. Many modern fighter aircraft are supersonic. The Concorde is a supersonic passenger aircraft, currently the only one flying. Speeds greater than 5 times the speed of sound are sometimes referred to as hypersonic.
See also: