Originally Posted by
ask26
From my knowledge this is an auto-trim aircraft. Aside from movement of the trim wheel is there any other action that could have been done to manually reset the THS. Unlike a 737 for instance where there is a separate trim switch.
It's auto-trim until it's not - that function/law can drop out
automatically (when HAL/George gives up) and it did at Perpignan.
737 has auto-trim too - again, it can drop out
automatically, after putting the trim full up - see Schipol (and at least one other incident).