Fatal aviation accident: PIPER PA-32-260 near KELLOGG (1994-04-24)
Probable cause: FAILURE OF THE PILOT TO MAINTAIN AIRCRAFT CONTROL, DUE TO SPATIAL DISORIENTATION, WHILE FLYING WITH PARTIAL PANEL, AND THE DESIGN STRESS LIMITS OF THE AIRCRAFT BEING EXCEEDED. FACTORS RELATED TO THE ACCIDENT WERE: FAILURE OF THE VACUUM SYSTEM, WHICH RESULTED IN AN INOPERATIVE ATTITUDE INDICATOR, AND THE ADVERSE WEATHER CONDITIONS.