Incident Overview
On the evening of the incident, a non-rated pilot employed as an aircraft cleaner gained access to the ignition keys of several aircraft, including N6950J. Earlier in the evening, the pilot was seen consuming beer. At approximately 0024 Pacific Daylight Time, he took off from runway 18 without authorization.
Collision and Conditions
About one minute after departure, the aircraft collided with trees and crashed roughly half a mile southeast of the airport. At the time, low ceilings and reduced visibility due to fog were reported.
Investigation Findings
Examination of the wreckage revealed no evidence of a preimpact mechanical problem. A toxicological test of the pilot's blood indicated an alcohol level of 0.104 percent. The pilot had no authorization to operate the aircraft.