12 fatalities

Loss of P-3C Orion near Tsushima Island (151365)

Tsushima, JapanFlight

On April 28, 1967, a Lockheed P-3 Orion (registration 151365) operated by United States Navy - USN was involved in an aviation accident near Tsushima, Japan in flight. 12 people were killed. Investigators recorded the probable cause as: The cause of the accident remains unknown. 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 2026-06-12Data APIEditorial standards

A maritime patrol flight involving a four-engine aircraft ended in a fatal crash into the sea near Tsushima Island, resulting in no survivors.

What happened

A maritime patrol mission originating from Iwakuni Airbase resulted in a fatal aviation accident. During the course of the flight, the four-engine aircraft entered the waters near Tsushima Island. The impact occurred while the aircraft was operating in the vicinity of the island, leading to a crash into the sea.

There were no survivors of the accident. The total number of fatalities was 12 crew members, all of whom were on board at the time of the impact.

Findings

The specific circumstances that led to the aircraft entering the water remain undetermined. At this time, there is no information available regarding the exact cause of the crash or the flight phase immediately preceding the loss of the aircraft.

Probable cause

The cause of the accident remains unknown.