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Topic: Numerical disasters
Replies: 5   Last Post: Sep 23, 2010 11:45 AM

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astanoff

Posts: 216
Registered: 9/14/06
Re: Numerical disasters
Posted: Sep 20, 2010 10:00 AM
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On 20 sep, 12:48, "humberto.bortolo...@gmail.com"
<humberto.bortolo...@gmail.com> wrote:
> Hello!
>
> The probe "Mars Climate Orbiter" (http://en.wikipedia.org/wiki/
> Mars_Climate_Orbiter) fell because it was sending data using the
> metric system, while the team on Earth was interpreting these data in
> US customary units.
>
> The error that caused the disaster of the Varig Flight 254(http://
> en.wikipedia.org/wiki/Varig_Flight_254) was due a notation
> interpretation: 0270 was interpreted as 270 degrees and not as 27.0
> degrees by the pilot.
>
> Anyone know of other examples of numerical disasters?
>
> Thanks in advance, Humberto.


Good day,

French Air Inter Flight 148 crashed on January 20th 1992
because the pilots entered "33" for "3.3° descent angle",
which the autopilot interpreted as descent rate
of 3,300 feet per minute.

http://en.wikipedia.org/wiki/Air_Inter_Flight_148

--
V.Astanoff



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