No fatalities

Aircraft Ditched Near Farallon Islands After Technical Problems (62-4173)

Farallon Islands, United States of AmericaFlight

On December 19, 1971, a De Havilland DHC-4 Caribou (registration 62-4173) operated by United States Air Force - USAF (since 1947) was involved in an aviation accident near Farallon Islands, United States of America in flight. No fatalities were reported. Investigators recorded the probable cause as: Unknown technical problems. 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 crew of three ditched an aircraft near the Farallon Islands after encountering unknown technical problems en route to McClellan AFB. All crew members were rescued before the aircraft sank.

Incident Overview During a flight en route to McClellan Air Force Base near Sacramento, the crew reported encountering unknown technical problems. The captain made the decision to ditch the aircraft in the waters near the Farallon Islands, located approximately 30 miles west of San Francisco. All three crew members were successfully rescued while the aircraft was sinking. The aircraft was subsequently lost. ## Official Findings The official investigation identified unknown technical problems as the probable cause of the incident. No specific aircraft type, registration, operator, or exact date was provided in the source material.

Frequently asked questions

What happened in the 19 Dec 1971 De Havilland DHC-4 Caribou accident near Farallon Islands, United States of America?

A crew of three ditched an aircraft near the Farallon Islands after encountering unknown technical problems en route to McClellan AFB. All crew members were rescued before the aircraft sank.

Were there any fatalities in the 19 Dec 1971 De Havilland DHC-4 Caribou accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 19 Dec 1971 involved a De Havilland DHC-4 Caribou, registration 62-4173, operated by United States Air Force - USAF (since 1947), at Farallon Islands, United States of America.

What was the probable cause of the accident?

Unknown technical problems