One of which (Atlas Flight 3591) was Pilot error: > The probable cause of this accident was the inappropriate response by the first officer as the pilot flying

One of which (Atlas Flight 3591) was Pilot error: > The probable cause of this accident was the inappropriate response by the first officer as the pilot flying to an inadvertent activation of the go-around mode, which led to his spatial disorientation and nose-down control inputs that placed the airplane in a steep descent from which the crew did not recover.