5 fatalities

Loss of maritime patrol aircraft near Vietnam coast (131513)

South China Sea, WorldFlight

On September 8, 1964, a Lockheed P-2 Neptune (registration 131513) operated by United States Navy - USN was involved in an aviation accident near South China Sea, World in flight. 5 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 2026-06-12Data APIEditorial standards

A maritime patrol flight disappeared over the South China Sea, resulting in five fatalities and eight survivors.

What happened

A maritime patrol mission operating out of Iwakuni ended in a fatal accident during a night flight over the South China Sea. The aircraft was conducting a routine patrol when it went down in the ocean, approximately 120 km east of the Vietnamese coastline. Following the crash, search and rescue efforts managed to locate and recover eight members of the crew. However, the incident resulted in five fatalities.

Findings

The specific reasons for the aircraft's descent into the sea remain undetermined, as the crash occurred under unknown circumstances during the cruise phase of the flight.