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Old 24th May 2020, 14:20
  #420 (permalink)  
Teddy Robinson
 
Join Date: May 2004
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Originally Posted by EFHF
That's accurate if the main event is considered to have been the EFCS pitch control failure. If with main event you mean the wheels in transit ground contact, then the report makes it quite clear that the EFCS failure led to the crew failing to control pitch proparly for 36 seconds as they didn't understand at all that pitch was in manual reversion through the THS control with the trim wheel. The report also speculates (altough doesn not test that hypothesis) that ground contact would still have been avoided without the unexplained selection of idle thrust for 4 seconds before the ground contact.

None of that probably has anything to do with the thread accident, but it's important to note that a “technical issue” was not even close to the only cause of the Tallinn accident you linked.
To be fair, I have used the term "main event" perhaps incorrectly in context with the set of circumstances we are discussing at the moment. I fully concur, the ELAC failures and loss subsequent loss of pitch control in the Smartlynx accident have no direct relation to this accident, however, the runway contact itself to the point of dual engine failure does seem worthy of further discussion.


TR
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