No fatalities

Swedish Air Defense Force aircraft shot down near Väddö (SE-AHR)

Väddö, SwedenFlight

On September 5, 1941, a Percival P.10 Vega Gull (registration SE-AHR) operated by Björkvallsflyg was involved in an aviation accident near Väddö, Sweden in flight. No fatalities were reported. Investigators recorded the probable cause as: The aircraft was mistakenly shot down by a German ship. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 3 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 Swedish Air Defense Force aircraft was mistakenly targeted and destroyed by a German naval vessel, crashing in the waters of Väddö with the fate of the occupants currently unknown.

What happened

The incident involved an aircraft operating on behalf of the Swedish Air Defense Force. During its mission, the plane was erroneously identified as a hostile target by a German ship. As a result of this misidentification, the naval vessel engaged the aircraft, causing it to be shot down. The wreckage subsequently crashed in the area of Väddö.

Findings

Official investigations confirmed that the loss of the aircraft was directly caused by friendly fire from the German naval unit. At this time, there is no confirmed information regarding the survival status of those on board, and the fate of the occupants remains unknown.

Probable cause

The aircraft was mistakenly shot down by a German ship.