According to Rocky Jedick, spatial disorientation is “the inability to determine one’s position, location, and motion relative to their environment.” A common example of spatial disorientation is the graveyard spiral. The graveyard spiral is essentially you going into a twenty second or more turn then retrieving the feeling that you’re not turning anymore when in fact, you still are. All of this is caused by the endolymph fluid in your semicircular canals starting to move with friction eventually catching up to it with the walls of the rotating canal. As this happens, hairs that act as motion sensors stand in an upright position giving the illusion to the brain that the turn has stopped when it hasn’t.
So how can spatial disorientation be linked to the accident of Flight 604? During the time of takeoff, the pilots no visuals as it was a moonless night, plus with them flying over