Casualties unknown

1984-03-10: Cessna 172M (N880LS) — Alpha Aviation — Lebec, CA

Lebec, CA, US

On March 10, 1984, a Cessna 172M (registration N880LS) operated by Alpha Aviation was involved in an aviation accident near Lebec, CA. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 4 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 1781061362Data APIEditorial standards

During a VFR flight in mountainous terrain, the aircraft encountered a downdraft while attempting to clear a ridge, settled into trees on a steep rising slope, and crashed. Both pilots estimated visibility at about 1.5 miles.

Preliminary Statement

In a preliminary oral statement, the pilot reported that the flight encountered an unforeseen overcast and rising mountainous terrain. Later, she stated that they were attempting to maintain visual flight rules (VFR) flight in mountains with scattered clouds in the area. When they initiated a climb to clear a ridge, the aircraft encountered a downdraft. Subsequently, the aircraft settled into trees on a steep rising slope and crashed.

Visibility and Terrain

Both pilots estimated the visibility was about 1.5 miles. Other participants observed clouds obscuring the ridge crest and deviated about 5 miles south to lower terrain. The elevation of the crash site was approximately 5,000 feet.

Flight Conditions

The pilot indicated that the weather conditions included scattered clouds and an unforeseen overcast. The mountainous terrain presented rising slopes. The aircraft was attempting to maintain VFR flight when the downdraft occurred during the climb. The crash site was on a steep rising slope at 5,000 feet elevation.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X39065. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.