PPRuNe Forums - View Single Post - Ethiopian airliner down in Africa
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Old 11th Mar 2019, 12:09
  #335 (permalink)  
Join Date: Jan 2005
Location: Europe
Posts: 229
Originally Posted by Azgalor View Post
Oh, this different. I was just a bit confused. So you still see that trim is wrong, trim wheels running etc. But the trick is that it comes back again. I though you do not know that it is trim problem.
Erroneous MCAS intervention does not look like runaway trim, it looks like speed trim. Which intervenes so frequently with automatic trimming during routine climbs that a slowly turning trim wheel in that flight phase may very well get unnoticed, especially in a very high workload situation (continuous stickshaker and unreliable airspeed).
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