From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 101deb,885dab3998d28a4 X-Google-Attributes: gid101deb,public X-Google-Thread: 107079,eca28648989efca9 X-Google-Attributes: gid107079,public X-Google-Thread: 103376,885dab3998d28a4 X-Google-Attributes: gid103376,public X-Google-Thread: f74ae,eca28648989efca9 X-Google-Attributes: gidf74ae,public From: Joseph C Williams Subject: Re: Ariane 5 failure Date: 1996/10/04 Message-ID: <32551A66.41C6@gsde.hso.link.com>#1/1 X-Deja-AN: 187876286 distribution: inet references: <52a572$9kk@goanna.cs.rmit.edu.au> <843845039.4461.0@assen.demon.co.uk> <532k32$r4r@goanna.cs.rmit.edu.au> content-type: text/plain; charset=us-ascii organization: NASA/Johnson Space Center mime-version: 1.0 newsgroups: sci.astro,sci.math.num-analysis,comp.lang.pl1,comp.lang.ada x-mailer: Mozilla 3.0 (X11; I; IRIX 5.3 IP19) Date: 1996-10-04T00:00:00+00:00 List-Id: Why didn't they run the code against an Ariane 5 simulator to reverify the Ariane 4 software what was reused? A good real-time engineering simulation would have caught the problem.