Back when I first joined Boeing (1977), this accident was well known and discussed among the engineering ranks with us newbies.
Reportedly, knowing they were going to crash, the four survivors moved to the tail of the aircraft since that would be the safest place to be when they hit the ground. It does however beg the question why they had four people still in the flight deck - while the aircraft was certainly very difficult to control, I don't see how those not in the pilot's seats could have helped much.