Incident Overview
On a cargo flight, the crew encountered poor weather conditions with limited visibility due to fog. The pilot-in-command decided to reduce altitude to maintain visual contact with the ground. The aircraft subsequently hit the icy surface of a lake located near Manicouagan.
Aircraft and Occupants
The airplane was destroyed in the impact. Among the three occupants, two crew members were killed and the third occupant was injured.
Probable Cause
The official investigation determined that the pilot became lost and descended below the minimum en-route altitude in an attempt to establish his position.