Airline accidents almost always have multiple causes. Only when all the swiss cheese slices line up holes can the accident slip through.

Mentour Pilot four years ago on superstall (deep stall): https://www.youtube.com/watch?v=Kg6jV5mkf-8&t=0s

T-tail aircraft (like this one!) are at risk. ATR-72 specifically mentioned.

Thats why I specifically said with potential pilot error (I was going to say mechanical failure, but that is highly less likely given the age of the aircraft.)

>"Right, it was that bolded "400'" climb that clearly is what hes pointing at - as the ice caused the drop, then the pilot sharply climbed, then ice-stall, causes plane to yaw pilot corrects the wrong direction causing spin - all in the course of what seems like ~30 seconds?"

Is what my thoughts are.