Casualties unknown

Aircraft Crashes on San Clemente Island During Fish Spotting Flight (N4789R)

San Clemente, CA, US

On June 5, 1983, a Cessna 172RG (registration N4789R) was involved in an aviation accident near San Clemente, CA. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

A fish-spotting aircraft crashed on San Clemente Island on a dark night. A Navy witness reported zero ceiling and 200-yard visibility about 40 minutes before the crash. The pilot was seriously injured and the aircraft destroyed.

Accident Details

An aircraft engaged in a fish-spotting flight crashed on San Clemente Island on a dark night. Such flights are typically flown at altitudes between 1,000 and 2,000 feet above ground level. The accident site was at an elevation of 1,060 feet mean sea level. The aircraft was destroyed in the accident.

Witness Information

A Navy witness on the island reported that, approximately 40 minutes before the estimated time of the crash, the ceiling was zero and visibility was about 200 yards at the accident site.

Aftermath

The pilot was seriously injured in the crash and was hospitalized until June 11. The pilot does not remember the accident. The aircraft was not found until 1415 hours on June 5.

Frequently asked questions

What happened in the 5 Jun 1983 Cessna 172RG accident near San Clemente, CA?

A fish-spotting aircraft crashed on San Clemente Island on a dark night. A Navy witness reported zero ceiling and 200-yard visibility about 40 minutes before the crash. The pilot was seriously injured and the aircraft destroyed.

What aircraft was involved and where did it happen?

The accident on 5 Jun 1983 involved a Cessna 172RG, registration N4789R, at San Clemente, CA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X43384. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.