Accident Overview
A single-engine airplane on an ambulance flight crashed onto the iced surface of Lake Tessier. The aircraft was carrying two pilots and two passengers and was possibly en route to Oskélanéo. During the flight, the pilot lost control, and the airplane impacted the frozen lake.
Recovery
The wreckage was discovered four days after the accident. The body of the pilot, Gilbert Comptois, was recovered at the site. The body of the second pilot, Elzéar Comptois, was found on 6 April 1951. The bodies of the two passengers, Charlie Neepush and J. C. Neepush, were never located.
Probable Cause
The official investigation stated that it is possible the crew lost control of the airplane after being caught by a sudden snow fog.