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Re: QF72 story - wow

Subject Re: QF72 story - wow
References <bIXRA.15251$Qg.1926@fx14.iad> <vr6khc5fd8cmc2rbfu6piemt06c3aknt05@4ax.com> <ofeark$170$1@dont-email.me>
Newsgroups comp.arch.embedded
From Clifford Heath <clifford.heath@gmail.com>
Organization Tell him he's dreaming
Message-ID <a6ASA.10753$7j4.3560@fx22.iad> (permalink)
Date 2017-05-16 18:01 +1000

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On 16/05/17 17:51, Dimiter_Popoff wrote:
> On 16.5.2017 г. 00:28, George Neuner wrote:
>> On Sun, 14 May 2017 22:03:19 +1000, Clifford Heath
>> <clifford.heath@gmail.com> wrote:
>>
>>> This story is a doozy.
>>> <http://www.smh.com.au/good-weekend/the-untold-story-of-qf72-what-happens-when-psycho-automation-leaves-pilots-powerless-20170510-gw26ae.html>
>>>
>>
>>
>> Instead of a newspaper, why not read the accident report?
>> https://www.atsb.gov.au/publications/investigation_reports/2008/aair/ao-2008-070.aspx

Thanks,  that was interesting.

> Hmmmm, sounds a little like a whitewash. "Happened just once" in so many
> millions flight hours etc. - we all here know what this means.
> This clearly is a programming error - and not one which is to be caught
> by testing, rather the programmer must be good enough to not allow it
> happen by design, during planning.
>
> On the "automata are better than humans" from other posts - if they are
> better and humans cannot override them why are there any humans at all
> in the cockpit? I know if I were to fly something I would want to be
> in control when I want to be, although of course I would make use of
> all utilities available as long as they work OK.

The accident report suggests that the sensor computer attributed the
right value to the wrong sensor. That seems very likely to not be a
cosmic ray strike... but it could be a static pointer to a data
structure that isn't meant to change, and one bit got flipped.
Such things shouldn't happen in this class of software, of course.

Clifford Heath

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QF72 story - wow Clifford Heath <clifford.heath@gmail.com> - 2017-05-14 22:03 +1000
  Re: QF72 story - wow BM2335 <BM265@DMM.com.au> - 2017-05-15 12:25 +0800
  Re: QF72 story - wow Dimiter_Popoff <dp@tgi-sci.com> - 2017-05-15 16:05 +0300
    Re: QF72 story - wow Reinhardt Behm <rbehm@hushmail.com> - 2017-05-15 21:58 +0800
      Re: QF72 story - wow David Brown <david.brown@hesbynett.no> - 2017-05-15 16:48 +0200
        Re: QF72 story - wow Reinhardt Behm <rbehm@hushmail.com> - 2017-05-15 23:34 +0800
          Re: QF72 story - wow Tom Gardner <spamjunk@blueyonder.co.uk> - 2017-05-15 18:00 +0100
          Re: QF72 story - wow Robert Wessel <robertwessel2@yahoo.com> - 2017-05-15 17:49 -0500
          Re: QF72 story - wow David Brown <david.brown@hesbynett.no> - 2017-05-16 09:06 +0200
            Re: QF72 story - wow upsidedown@downunder.com - 2017-05-16 19:46 +0300
          Re: QF72 story - wow rickman <gnuarm@gmail.com> - 2017-05-16 10:41 -0400
            Re: QF72 story - wow Reinhardt Behm <rbehm@hushmail.com> - 2017-05-17 23:13 +0800
              Re: QF72 story - wow rickman <gnuarm@gmail.com> - 2017-05-17 11:54 -0400
                Re: QF72 story - wow Dimiter_Popoff <dp@tgi-sci.com> - 2017-05-17 21:43 +0300
                Re: QF72 story - wow rickman <gnuarm@gmail.com> - 2017-05-17 16:03 -0400
                Re: QF72 story - wow Dimiter_Popoff <dp@tgi-sci.com> - 2017-05-18 00:27 +0300
                Re: QF72 story - wow rickman <gnuarm@gmail.com> - 2017-05-17 19:56 -0400
          Re: QF72 story - wow upsidedown@downunder.com - 2017-05-16 19:30 +0300
            Re: QF72 story - wow Robert Wessel <robertwessel2@yahoo.com> - 2017-05-16 23:05 -0500
            Re: QF72 story - wow Reinhardt Behm <rbehm@hushmail.com> - 2017-05-17 23:05 +0800
        Re: QF72 story - wow rickman <gnuarm@gmail.com> - 2017-05-16 10:25 -0400
      Re: QF72 story - wow Przemek Klosowski <przemek@tux.dot.org> - 2017-05-18 12:45 +0000
    Re: QF72 story - wow upsidedown@downunder.com - 2017-05-16 19:10 +0300
      Re: QF72 story - wow Dimiter_Popoff <dp@tgi-sci.com> - 2017-05-16 19:48 +0300
      Re: QF72 story - wow lasselangwadtchristensen@gmail.com - 2017-05-19 17:40 -0700
  Re: QF72 story - wow Tim Wescott <seemywebsite@myfooter.really> - 2017-05-15 12:34 -0500
    Re: QF72 story - wow Robert Wessel <robertwessel2@yahoo.com> - 2017-05-15 17:21 -0500
    Re: QF72 story - wow rickman <gnuarm@gmail.com> - 2017-05-16 10:47 -0400
      Re: QF72 story - wow Jan Coombs <jenfhaomndgfwutc@murmic.plus.com> - 2017-05-17 10:31 +0100
        Re: QF72 story - wow Reinhardt Behm <rbehm@hushmail.com> - 2017-05-17 22:20 +0800
          Re: QF72 story - wow rickman <gnuarm@gmail.com> - 2017-05-17 10:36 -0400
  Re: QF72 story - wow George Neuner <gneuner2@comcast.net> - 2017-05-15 17:28 -0400
    Re: QF72 story - wow Robert Wessel <robertwessel2@yahoo.com> - 2017-05-15 17:22 -0500
    Re: QF72 story - wow Dimiter_Popoff <dp@tgi-sci.com> - 2017-05-16 10:51 +0300
      Re: QF72 story - wow Clifford Heath <clifford.heath@gmail.com> - 2017-05-16 18:01 +1000
  Re: QF72 story - wow upsidedown@downunder.com - 2017-05-16 18:54 +0300
    Re: QF72 story - wow Robert Wessel <robertwessel2@yahoo.com> - 2017-05-16 23:23 -0500

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