Originally Posted by
CVividasku
I don't understand how airbus allowed the PHR to trim itself up to full up. ...
This single feature caused at least to accidents and hundreds of deaths.
I disagree. The aircraft trimmed full nose up in response to the co-pilot's continuous back stick demand for more nose up.
One of the holes in the cheese could have been closed with
so that the other pilot may have recognised the gross handling error of constantly pulling back.