Accident Overview
A Cessna U2061, purchased earlier that day by its occupants, collided with trees on a hillside located 10 miles from Point Reyes, California. The aircraft came to rest in a wooded area. Subsequent examination of the wreckage and an engine teardown revealed no indications of preimpact mechanical failure.
Eyewitness Account
An eyewitness in the Olema Valley observed the aircraft flying into worsening weather conditions. The witness reported that the airplane was at an altitude of 500 feet above ground level (AGL) or lower, operating beneath a thin cloud layer.
Weather Briefing
Prior to the flight, the occupants received a weather briefing during which Visual Flight Rules (VFR) flight was not recommended.
Post-Accident Examination
Investigators examined the wreckage and performed a teardown of the engine. No evidence of preimpact failure was found in either the airframe or engine components.