My quote was a rhetorical comment to James's posting. You are of course correct and reflects the reality of the Ariane 4/5 software. The best range tracking software in the world would not have fixed a problem that was specified out of range. w.. Wouter van Ooijen wrote: > > It > > turned out that the cause of the failure was a software error > > in the inertial reference system. > > NO NO NO > > Not everything that goes wrong and has software involved is a software > error. > > Within its design limitations the software functioned exactly as > specified, hence it was NOT a software error. The execption handling was > turned off deliberately and this was fully documented. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist