Originally Posted by
silverstrata
Clearly MCAS is not a runnaway trim condition, otherwise we would be reaching for the cut-out switches every time the speed-trim operated. I think some people here do not realise that the trimmer doing its own thing is operations normal.
Silver
Correctly functioning MCAS is not a runaway trim condition. If you really approach high AoA, MCAS kicks in, AoA drops and (assuming it was just some kind of upset and you have sufficient hight) you should be fine.
However, when an AoA is faulty, it will continously indicate high AoA to MCAS. MCAS kicks in, but still get high AoA input so it kicks again.. and again.. and again....