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From: "Ken Garlington" <Ken.Garlington@computer.org>
Subject: Re: software failure question
Date: Sat, 07 Apr 2001 21:55:21 GMT
Date: 2001-04-07T21:55:21+00:00	[thread overview]
Message-ID: <d1Mz6.1875$491.520213560@newssvr16.news.prodigy.com> (raw)
In-Reply-To: 3ACF132F.95DD191A@home.com


"Mark Biggar" <mark.a.biggar@home.com> wrote in message
news:3ACF132F.95DD191A@home.com...
: tmoran@acm.org wrote:
: >
: > Anyone know where this came from?
: > "In one infamous software error, a misplaced minus sign resulted in a
: > fighter jet's control system flipping the aircraft on its back whenever
: > it crossed the equator. "
:
: It was the fly-by-wire software for the F-16.

Actually, this isn't correct. It was an error in the simulation system, not
the "fly-by-wire" embedded software.

: Fortunately,
: this error was caught in simulation and no planes were actually
: flipped.  For more info, you might want to look in the risks-digest
: report database "http://catless.ncl.ac.uk/Risks".  The bug in question
: can be found easly by searching on "equator".
:
: --
: Mark Biggar
: mark.a.biggar@home.com





  parent reply	other threads:[~2001-04-07 21:55 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-04-07  5:44 software failure question tmoran
2001-04-07 10:22 ` chris.danx
2001-04-07 10:28   ` chris.danx
2001-04-09 15:24     ` Smark
2001-04-10 13:31       ` Marin David Condic
2001-04-10 16:01         ` Smark
2001-04-07 13:16 ` Mark Biggar
2001-04-07 13:41   ` Larry Hazel
2001-04-07 21:55   ` Ken Garlington [this message]
2001-04-09 13:54   ` Marin David Condic
2001-04-07 13:52 ` Ken Garlington
2001-04-09 18:13 ` Phaedrus
2001-04-09 20:57   ` Ted Dennison
2001-04-10  1:38     ` Phaedrus
2001-04-10 15:39     ` Ted Dennison
2001-04-11 12:12       ` Colin Paul Gloster
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