What happened
During a nighttime cargo transport mission traveling from La Crosse to Minneapolis, the aircraft entered an uncontrolled descent. While operating at cruising altitude, the pilot lost command of the airplane, which subsequently struck the ground in a field.
There was one fatality resulting from the impact, as the pilot was the only person on board the aircraft at the time of the accident.
Findings
Investigations into the crash identified that the aircraft underwent an uncontrolled descent. A significant contributing factor noted by the chief pilot was physical impairment, specifically involving the pilot falling asleep while operating the flight.