4 fatalities

RCAF Night Navigation Exercise Crash in Swamp (6341)

Dorchester, CanadaFlight

On November 3, 1942, an Avro 652 Anson (registration 6341) operated by Royal Canadian Air Force - RCAF was involved in an aviation accident near Dorchester, Canada in flight. 4 people were killed. Investigators recorded the probable cause as: The exact cause of the accident could not be determined. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-08-04Data APIEditorial standards

A twin-engine aircraft crashed into a swamp during a night navigation exercise near London Airport, resulting in four fatalities after one survivor died from injuries.

What happened

The incident occurred during a night navigation exercise involving a twin engine airplane. The crew departed from London Airport with three Royal Canadian Air Force personnel and one civilian pilot on board. During the flight, the aircraft struck the ground at a shallow angle while the engines were running at full power. Following the impact, the plane collided with trees and came to rest in a swamp.

Three members of the crew were killed immediately upon impact. A fourth individual sustained serious injuries and was transported for medical attention but succumbed to those wounds four days later. The total fatality count for this accident is four.

Findings

Investigations into the specific circumstances leading to the crash did not yield a definitive conclusion. Official records indicate that the exact cause of the accident could not be determined despite the review of available evidence.