Overview
A single-engine airplane crashed into a mountain while en route from Dietrich to Chandalar, resulting in the deaths of all four occupants. The wreckage was located a few hours after the accident.
Sequence of Events
The pilot was flying over mountainous terrain when poor weather conditions with low clouds and fog were encountered. The pilot initiated a turn, and the airplane subsequently struck a mountain and crashed. The wreckage was found several hours later.
Probable Cause
The official probable cause of the accident was controlled flight into terrain following improper in-flight decisions. Contributing factors included continued VFR flight into adverse weather conditions, high obstructions, low ceiling and fog, company dispatch involvement, and an attempt to fly through an obscured mountain pass.