No fatalities

Aircraft crash near Cache Lake during flight from Mistassini (CF-EPZ)

Quebec, CanadaFlight

On September 20, 1973, a Noorduyn Norseman (registration CF-EPZ) operated by Dolbeau Air Service was involved in an aviation accident near Quebec, Canada in flight. No fatalities were reported. Investigators recorded the probable cause as: The aircraft struck trees while en route to Cache Lake, leading to a post-crash fire. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-12Data APIEditorial standards

A small aircraft crashed into a forested region while traveling between Mistassini and Cache Lake, resulting in injuries to everyone on board.

What happened

During a scheduled trip from Mistassini to Cache Lake, an aircraft encountered a fatal impact with trees. The sequence of events led to the plane crashing into a heavily wooded area, where it subsequently caught fire. The impact was severe enough that the aircraft was completely destroyed by the wreckage and subsequent flames.

There were four people on board at the time of the accident. While the crash resulted in significant damage to the airframe, all four occupants survived the event, though they sustained various injuries during the impact and fire.

Findings

No specific technical cause for the collision with the trees has been officially documented in the provided report, but the primary factor was the impact with vegetation during the flight phase.

Probable cause

The aircraft struck trees while en route to Cache Lake, leading to a post-crash fire.