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Old 26th Feb 2019, 14:01
  #1620 (permalink)  
safetypee
 
Join Date: Dec 2002
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Winnerhofer,
The debate is little more than A vs B separate from the root cause of the accident.

The simultaneous malfunction of three identical sensors confused a triple cross monitoring system resulting in an extensive and complicated disruption to normal flight deck displays. The type of sensor has been changed.

With a similar high-level systems view, the recent 737 accident appears to involve a single sensor failure and a weakness in the implementation of a dual cross monitoring system. The result was similarly confusing, with conflicting indications.

Thus these accidents - root cause systems malfunction, are conceptually very similar, if not identical, both unfortunately with the same outcome.

Outcomes, accidents, fatal or otherwise, should not be use to judge the relative merits amongst similar or dissimilar aircraft types.
If comparison is warranted, there would be greater benefit in assessing normal operations, the systems which aid safety or clarify situations, and protect pilots from ‘themselves’.

We should also recognise the problems in adapting ‘facts’ to fit a particular argument.


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