Casualties unknown

Aircraft Strikes Ridge in Mountainous Terrain (N5870F)

Etiwanda, CA, US

On March 13, 1982, a Cessna 210G (registration N5870F) operated by D. Davis was involved in an aviation accident near Etiwanda, 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

An aircraft struck a ridge at about 2000 ft MSL in a near level attitude. Weather reports indicated mountains were obscured by clouds. The propeller separated with rotational damage; flight controls had no preimpact issues.

Overview

An aircraft impacted a ridge at an elevation of approximately 2000 ft MSL. At the point of impact, the terrain sloped upward at an angle of about 35 degrees. The aircraft struck the ridge in a near level flight attitude.

Circumstances

The weather conditions at the crash site were not determined. However, on the day of the accident, weather reports and forecasts indicated that the mountains would be obscured by clouds. The Los Angeles basin was expected to be covered with an overcast layer at about 2000 ft.

Aircraft Examination

During the impact, the propeller separated from the engine and displayed rotational damage. An examination of the flight controls revealed no preimpact damage.

Additional Information

No further details regarding the aircraft type, registration, operator, occupants, or other specifics are provided in the source material.

Frequently asked questions

What happened in the 13 Mar 1982 Cessna 210G accident near Etiwanda, CA?

An aircraft struck a ridge at about 2000 ft MSL in a near level attitude. Weather reports indicated mountains were obscured by clouds. The propeller separated with rotational damage; flight controls had no preimpact issues.

What aircraft was involved and where did it happen?

The accident on 13 Mar 1982 involved a Cessna 210G, registration N5870F, operated by D. Davis, at Etiwanda, CA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20020917X02291. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.