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Atlas / NTSB / LAX89FA030

NTSB CAROL · Event

Event LAX89FA030

1988-11-01 CABAZON, California, United States Airport · LSE Fatal 1 aircraft Status: Completed

Aircraft involved

Probable cause & findings

THE PILOT'S POOR DECISION AND MISJUDGEMENT OF DISTANCE. THE SEPARATION OF THE CYLINDER, FAILURE OF THE PROPELLER TO FEATHER, AND IMPACT WITH WIRES AND A RESIDENCE WERE FACTORS IN THE ACCIDENT.

Factual narrative

THE PLT CONTACTED THE ARSA CONTROLLER FOR ADVISORIES AFTER LOSING PWR ON THE RIGHT ENG OVER AN AIR FORCE BASE. THE CONTROLLER ADVISED THE PLT THAT HIS POSITION WAS NEAR A CIVILIAN ARPT WITH LIMITED MAINTENANCE FACILITIES AND AN AIR FORCE BASE. THE PLT ADVISED THAT HE DESIRED TO CONTINUE TO A LARGER CIVILIAN ARPT ALONG HIS ROUTE WHERE HE COULD OBTAIN SERVICE. THE PLT THEN INFORMED THE CONTROLLER THAT HE COULD BARLEY SEE THE GROUND AND THAT HE WAS UNABLE TO MAINTAIN ALT DUE TO THE PROPELLER NOT FEATHERING. THE ACFT OVERFLEW A SMALL CIVILIAN ARPT AND THE PLT TOLD THE UNICOM OPERATOR THAT HE WOULD ATTEMPT TO LAND ON AN INTERSTATE HWY. THE ACFT OVERFLEW THE HWY AND IMPACTED AN ELECTRICAL TRANSMISSION LINE AND COLLIDED WITH A RESIDENCE. POST ACCIDENT INSPECTION REVEALED THE RIGHT ENG #3 CYLINDER HEAD FRACTURED ALLOWING THE HEAD TO DISPLACE OUTWARD 3/8 INCH. FRACTURE RESULTED FROM FATIGUE AT THREADED AREA BTW HEAD AND CYLINDER. THE PROPELLER GOVERNOR OPERATED NORMALLY DURING FUNCTIONAL TESTING AFTER THE ACCIDENT. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1988_LAX89FA030.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type or causal vocabulary (maintenance). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗