2 fatalities

Aircraft Wreckage Discovered Two Years After Disappearance (N66039)

Lakeport, CA, US

On November 23, 1986, a Cessna 180K (registration N66039) operated by Dashiell, Richard A. was involved in an aviation accident near Lakeport, CA. 2 people were killed. 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 pilot and his daughter went missing after departing a private airstrip in November 1986. Their wreckage was found by hunters in August 1988 about 10 miles north. No mechanical failure was found.

Accident Details

On November 22 or 23, 1986, a pilot and his daughter departed from his private airstrip. They were reported missing on November 24, 1986, prompting a search. The aircraft was not located until August 19, 1988, when hunters discovered the wreckage approximately 10 miles north of the airstrip.

The accident site was situated on hilly, mountainous terrain at an elevation of about 1,800 feet. Examination revealed that the aircraft was traveling on a northwesterly heading when it struck a tree near the top of a ridge. It then crashed to the ground and came to rest against a tree on the ridge. The aircraft was destroyed by impact and fire.

Investigation Findings

Investigators examined the badly burned wreckage and found no evidence of preimpact mechanical malfunction or failure. The weather around the approximate date of the accident was generally VFR. Approximately 9 miles west, at Ukiah, California, there was early morning fog with ceilings of 2,000 to 3,000 feet on November 22, which changed to scattered clouds in the afternoon. On November 23, no cloud layers were reported below 20,000 feet.

Background

The pilot was reported to be despondent over separation from his wife, which occurred two weeks before the accident.

Frequently asked questions

What happened in the 23 Nov 1986 Cessna 180K accident near Lakeport, CA?

A pilot and his daughter went missing after departing a private airstrip in November 1986. Their wreckage was found by hunters in August 1988 about 10 miles north. No mechanical failure was found.

Were there any fatalities in the 23 Nov 1986 Cessna 180K accident?

The accident was fatal, resulting in 2 fatalities.

What aircraft was involved and where did it happen?

The accident on 23 Nov 1986 involved a Cessna 180K, registration N66039, operated by Dashiell, Richard A., at Lakeport, CA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X35209. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.