Fatal aviation accident: PIPER PA-28-161 near OGDEN (1992-02-06)
Probable cause: THE IMPROPER DECISION BY THE INSTRUCTOR PILOT TO PERFORM MAINTENANCE IN FLIGHT AND HIS FAILURE TO MAINTAIN TERRAIN CLEARANCE. FACTORS RELATING TO THE ACCIDENT WERE THE DARK NIGHT LIGHT CONDITIONS, MOUNTAINOUS TERRAIN IN THE AREA, AND THE INSTRUCTOR DIVERTING HIS ATTENTION FROM FLIGHT DUTIES.