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LAX90DUK01

1990-03-25 · HALFMOON BAY, California, United States · Serious · 1 aircraft · Status: Completed

Aircraft involved

Probable cause & findings

FAILURE OF THE PILOT TO MAINTAIN ADEQUATE AIRSPEED AND ALTITUDE.

Factual narrative

THE PILOT STATED HE WAS DESCENDING IN A 270 DEGREE RIGHT TURN TO LAND ON TOP OF A HILL WHEN HE LET HIS AIRSPEED DROP TOO MUCH. THE AIRCRAFT COLLIDED WITH THE HILL ON THE UPSLOPE SIDE. THE AIRCRAFT HAD NO REGISTRATION OR AIRWORTHINESS CERTIFICATE. THERE WAS FUEL ON BOARD AT THE TIME AND EVIDENCE INDICATED THE ENGINE WAS OPERATING BEFORE THE ACCIDENT. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1990_LAX90DUK01.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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