Casualties unknown

Aircraft Strikes Mountain Ridge Near Santa Paula (N39155)

Santa Paula, CA, US

On April 8, 1990, a Cessna 172E (registration N39155) was involved in an aviation accident near Santa Paula, CA. Investigators recorded the probable cause as: THE PILOT'S IMPROPER PREFLIGHT PLANNING AND PREPARATION AND HIS DELAYED REMEDIAL ACTION IN EXECUTING A 180 DEGREE TURN. CONTRIBUTING TO THIS ACCIDENT WAS THE PILOT'S INADVERTENT ENCOUNTER WITH WEATHER CONDITIONS. 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

An aircraft struck a mountain ridge at 4,100 ft while turning left after departing Santa Paula, CA. No evidence of mechanical failure was found.

Accident Overview

The accident occurred in the vicinity of the Santa Paula, California airport. The pilot departed on the accident flight under visual meteorological conditions. Broken clouds were present with bases at 4,000 ft MSL and tops between 7,000 ft and 8,000 ft MSL, extending over the mountainous area north of the airport.

Flight Path

After departing the airport, the pilot flew north-northeast. The airplane failed to reach its intended destination, prompting an air search.

Wreckage Discovery

The airplane was found on August 10, 1990. Examination of the wreckage revealed that the airplane's left wing had struck the 4,100 ft level of a 4,200 ft mountain ridge. At the time of the impact, the airplane was turning left.

Mechanical Condition

There was no evidence of any airframe or engine failure or malfunction preceding the accident.

Frequently asked questions

What happened in the 8 Apr 1990 Cessna 172E accident near Santa Paula, CA?

An aircraft struck a mountain ridge at 4,100 ft while turning left after departing Santa Paula, CA. No evidence of mechanical failure was found.

What aircraft was involved and where did it happen?

The accident on 8 Apr 1990 involved a Cessna 172E, registration N39155, at Santa Paula, CA.

What was the probable cause of the accident?

THE PILOT'S IMPROPER PREFLIGHT PLANNING AND PREPARATION AND HIS DELAYED REMEDIAL ACTION IN EXECUTING A 180 DEGREE TURN. CONTRIBUTING TO THIS ACCIDENT WAS THE PILOT'S INADVERTENT ENCOUNTER WITH WEATHER CONDITIONS.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X22939. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.