Incident Overview
While cruising at an altitude of 10,250 feet under marginal weather conditions, a twin-engine airplane struck the northeastern slope of Mount Giluwe, which rises to 14,346 feet. At the time of the accident, clouds (cumulonimbus) were present up to 9,000 feet, and visibility was poor.
Circumstances
It was reported that the pilot should have followed an alternative route, but for reasons not determined, the aircraft was off track. The impact occurred on the mountain's northeastern slope.
Investigation
The official investigation concluded that the cause of the accident could not be determined. No further details about the aircraft, occupants, or injuries were provided in the source material.