Casualties unknown

Aircraft Crashes on Mountain Slope after Pilot Rejects VFR Weather Warning (N6812B)

Mt. Wilson, CA, US

On May 9, 1982, a Cessna T210M (registration N6812B) operated by James H. Hammons was involved in an aviation accident near Mt. Wilson, 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

A pilot requested weather briefing for Salt Lake City but declined full briefing and ignored VFR not recommended warning. The aircraft crashed on a western mountain slope at 9,000 ft MSL. Area forecast warned of turbulence, obscured mountains, icing, and low ceilings.

Incident Summary

A pilot contacted a Flight Service Station (FSS) to obtain current and forecast weather for Salt Lake City. The FSS specialist provided the requested information and advised that visual flight rules (VFR) flight was not recommended. The pilot did not request a full briefing and was overheard telling a passenger, "Let's go check it out." The aircraft crashed on the western slope of a mountain at an elevation of about 9,000 feet above mean sea level.

Weather Conditions

The area forecast applicable to the accident location, as interpreted for the area, included warnings of moderate turbulence, mountains obscured above 6,000 to 9,000 feet, moderate mixed rime and clear icing from the freezing level to 18,000 feet, and ceilings and visibilities occasionally at or below 1,000 feet and 3 miles in rain, snow, and patchy fog.

Frequently asked questions

What happened in the 9 May 1982 Cessna T210M accident near Mt. Wilson, CA?

A pilot requested weather briefing for Salt Lake City but declined full briefing and ignored VFR not recommended warning. The aircraft crashed on a western mountain slope at 9,000 ft MSL. Area forecast warned of turbulence, obscured mountains, icing, and low ceilings.

What aircraft was involved and where did it happen?

The accident on 9 May 1982 involved a Cessna T210M, registration N6812B, operated by James H. Hammons, at Mt. Wilson, CA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20020917X03648. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.