NEW : Official FAA investigators have spoken with two of the pilots . It does not appear that any of Sean 's injuries require surgery . NEW : The aircraft was involved in an accident in 1997 . Autopsies show those killed in plane crash suffered blunt force trauma . The condition of the former crew members has been upgraded from critical to serious .
NEW : Official FAA investigators have spoken with two of the pilots . NEW : The aircraft was involved in an accident in 1997 . Autopsies show those killed in plane crash suffered blunt force trauma . The condition of the former crew members has been upgraded from critical to serious .