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8 fatalities

Maritime Patrol Aircraft Lost in Pacific Ocean (4662)

Iwo Jima, JapanFlight

On April 27, 1973, a Lockheed P-2 Neptune (registration 4662) operated by Japan Maritime Self-Defense Force - Kaijō Jieitai was involved in an aviation accident near Iwo Jima, Japan in flight. 8 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)Source recordUpdated 2026-09-03Data APIEditorial standards

A maritime patrol aircraft crashed into the Pacific Ocean off Iwo Jima Island under unknown circumstances. No distress call was sent, and search operations were abandoned after several days with no trace of the aircraft or its eight crew members.

Incident Overview During a maritime patrol flight, an aircraft crashed into the Pacific Ocean near Iwo Jima Island. The circumstances surrounding the crash remain unknown. The crew was unable to transmit a distress call before the aircraft was lost. Search and rescue operations were conducted for several days but were ultimately abandoned when no trace of the aircraft or its eight crew members could be found. The incident resulted in the loss of the aircraft and all eight crew members on board. No further details regarding the aircraft type, registration, operator, or specific cause of the accident were provided in the source material.

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Frequently asked questions

What happened in the 27 Apr 1973 Lockheed P-2 Neptune accident near Iwo Jima, Japan?

A maritime patrol aircraft crashed into the Pacific Ocean off Iwo Jima Island under unknown circumstances. No distress call was sent, and search operations were abandoned after several days with no trace of the aircraft or its eight crew members.

Were there any fatalities in the 27 Apr 1973 Lockheed P-2 Neptune accident?

The accident was fatal, resulting in 8 fatalities.

What aircraft was involved and where did it happen?

The accident on 27 Apr 1973 involved a Lockheed P-2 Neptune, registration 4662, operated by Japan Maritime Self-Defense Force - Kaijō Jieitai, at Iwo Jima, Japan.

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