Originally Posted by
Eesh
I have a stupid question, may be better to get it discounted early.
When MCAS is active, could there be any difference in the control of electric trim from the trim switches at the Captains side and the FO side?
The Lion air Captain was winding back the trim wheel for seconds. The FO who was watching this all the time suddenly decided to use only blips, looks strange.
-Sanish
My guess is that the Captain may have told the FO that he was 'cancelling' the nose down trim inputs with the trim switch. To a low hours FO brought up on playstations and mobile 'phones, the use of a button to cancel is just a simple momentary press. If The Captain had said 'until the ND trim is removed' he might have understood the need to sustain it.