4 fatalities

Night maritime patrol aircraft crashes into North Sea (N5225)

North Sea, WorldFlight

On June 13, 1940, an Avro 652 Anson (registration N5225) operated by Royal Air Force - RAF was involved in an aviation accident near North Sea, World in flight. 4 people were killed. 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 departed RAF Detling for a night patrol and crashed into the North Sea, resulting in the deaths of all four crew members on board.

What happened

The incident involved a twin-engine military aircraft that had taken off from RAF Detling. The flight was designated as a maritime patrol mission conducted during nighttime hours. While maintaining cruise altitude over water, the aircraft lost contact and subsequently impacted the surface of the North Sea. The crash resulted in the immediate loss of life for everyone on board. There were four individuals in the crew at the time of the accident, and all perished in the event.

Findings

The specific circumstances leading to the impact with the sea remain unknown based on the available records. No further technical details or contributing factors have been established in the source material regarding why the aircraft crashed during this routine patrol operation.