Incident Details
While en route to a Forest Service airstrip, the airplane collided with open rolling terrain. The area was reported to be covered with low fog, and visibility was limited throughout the morning.
Witness Report
A witness reported that the area was covered with low fog, and visibility was limited the entire morning. When the fog did lift, visibility was approximately one and a half miles. The witness also noted that the mountains to the south, where the destination airstrip was located, were completely obscured by clouds and fog.
Investigation
During the investigation, no evidence was found to indicate a mechanical failure or malfunction. The aircraft's systems and structure were examined, but no pre-impact anomalies were identified.