Path: utzoo!attcan!uunet!portal!cup.portal.com!PLS From: PLS@cup.portal.com (Paul L Schauble) Newsgroups: sci.space Subject: Re: SST landing rights in US Message-ID: <13838@cup.portal.com> Date: 22 Jan 89 08:18:26 GMT References: <601326396.amon@H.GP.CS.CMU.EDU> Organization: The Portal System (TM) Lines: 6 One question about SST flights over land. Is it possible to have supersonic flight at a high enough altitude that the shock wave doesn't reach the ground? It it still possible to use reasonably standard wings, engines, etc, at that altitude? ++PLS