Casualties unknown

Aircraft Crashes Into Hilly Terrain During Low-Level Flight (N93086)

Union City, CA, US

On January 11, 1984, a Cessna 185 (registration N93086) was involved in an aviation accident near Union City, 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 2026-06-23Data APIEditorial standards

An aircraft crashed into hilly terrain while flying at low altitude beneath cloud bases, according to witness reports of the plane heading southbound before impact.

What happened

The aircraft impacted hilly terrain during a high-speed power-on descent characterized by an almost vertical flight path. A witness located approximately 64 miles north of the accident site observed an aircraft matching the description of the involved plane. The observer noted that the aircraft appeared to be "scud running," which involves flying beneath low cloud bases at altitudes between 500 and 600 feet above ground level. At the time of observation, the aircraft was heading southbound toward the area where the accident ultimately occurred.

The investigation

Investigation details regarding mechanical examination or specific flight data recorder analysis were not provided in the source material.

Findings

The primary finding relates to the visual observations made prior to the crash. The witness confirmed seeing an aircraft consistent with the description of the accident plane operating at very low altitudes beneath cloud cover. The flight path was directed south toward the final impact site.

Frequently asked questions

What happened in the 11 Jan 1984 Cessna 185 accident near Union City, CA?

An aircraft crashed into hilly terrain while flying at low altitude beneath cloud bases, according to witness reports of the plane heading southbound before impact.

What aircraft was involved and where did it happen?

The accident on 11 Jan 1984 involved a Cessna 185, registration N93086, at Union City, CA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X38589. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.