Casualties unknown

Preflight Weather Warning Preceded Mountain Impact (N737LA)

12NM East OF AN, CA, US

On November 29, 1982, a Cessna 172N (registration N737LA) operated by Cal Aero Flying Club, Inc. was involved in an aviation accident near 12NM East OF AN, CA. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 1 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

A pilot received a VFR not recommended briefing for the San Diego area, then impacted a mountain at 8,000 ft MSL. Flight following had terminated six minutes prior. The area had clouds from 1,000 ft to near 9,000 ft MSL with zero visibility in clouds.

Accident Overview

A pilot conducting a flight received a preflight weather briefing from Thermal Flight Service Station (FSS) during which VFR flight was not recommended into the San Diego area. Although the pilot requested a briefing to San Diego, it is believed the initial destination was Carlsbad to deplane the rear seat passenger.

The Accident

According to the investigation, the aircraft impacted a mountain just below the crest at 8,000 feet mean sea level (MSL). VFR flight following had been terminated approximately six minutes prior to the accident.

Weather Conditions

The NTSB meteorological summary indicated there were probably continuous cloud conditions from 1,000 ft MSL to near 9,000 ft MSL, with flight visibility of zero in the clouds. Mountains were probably obscured. The summary also noted the possibility of light to moderate turbulence and updrafts and downdrafts below 10,000 ft MSL, as well as mixed moderate icing in clouds near 9,000 ft MSL.

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Frequently asked questions

What happened in the 29 Nov 1982 Cessna 172N accident near 12NM East OF AN, CA?

A pilot received a VFR not recommended briefing for the San Diego area, then impacted a mountain at 8,000 ft MSL. Flight following had terminated six minutes prior. The area had clouds from 1,000 ft to near 9,000 ft MSL with zero visibility in clouds.

What aircraft was involved and where did it happen?

The accident on 29 Nov 1982 involved a Cessna 172N, registration N737LA, operated by Cal Aero Flying Club, Inc., at 12NM East OF AN, CA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20020917X04794. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.