I may take that bet of your after all, sounds like spatial disorientation , otherwise known as the death spiral, to me. If I remember what I learned about that long ago, when a pilot listens to his inner ear instead of watching the instruments (is he has them, and knows how), he usually veers to the left, and continues down until the wings fall off, or he makes a smoking hole. Happened to a guy I worked with years ago, he entered fog, lost it, ended up killing both himself and his wife...