Accident Details
According to the investigation, the aircraft was conducting a takeoff on runway 23 at night. The windshield was partially obscured, and visibility was one mile with fog and falling snow. The wind was from 150 degrees at 11 knots, and the runway surface was covered with about 1/4 inch of snow.
During the takeoff roll, the aircraft drifted to the right of the centerline on a fairly constant arc. It continued until contacting a snow berm at a taxiway intersection. After the aircraft exited the runway, the landing gear collapsed.
Investigation Findings
The investigation revealed that the copilot's duties during the takeoff roll required him to scan inside the cockpit, fine-tune the power settings, and check engine instruments. No pre-accident part failure or malfunction of the aircraft was found.