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LAX92LA346

1992-08-12 · BISHOP, California, United States · Fatal · 1 aircraft · Status: Completed

Aircraft involved

Probable cause & findings

THE PILOT'S POOR INFLIGHT DECISION TO FLY OVER MOUNTAINOUS TERRAIN AT AN INADEQUATE ALTITUDE.

Factual narrative

THE CERTIFICATED GLIDER PILOT, THE SOLE OCCUPANT, DEPARTED FOR A LOCAL AREA FLIGHT WITH LIFT CONDITIONS DESCRIBED AS WEAK TO MODERATE. THE WRECKAGE WAS LOCATED ABOUT 2 HOURS AFTER DEPARTURE IN AN AREA OF RUGGED MOUNTAINOUS TERRAIN. THE LEFT WING OF THE GLIDER STRUCK A ROCKY RIDGE AND CAME TO REST ABOUT 300 FEET BELOW THE RIDGE LINE. OTHER GLIDER PILOTS REPORTED THAT THE ACCIDENT PILOT HAD A PROCLIVITY TO FLY OVER MOUNTAINOUS AREAS AT LOW ALTITUDES. A TOXICOLOGICAL EXAMINATION DISCLOSED THE PRESENCE OF A CARDIAC ANTIARRHYTHMIC DRUG. THE QUANTITY OF DRUG FOUND IS CONSIDERED TO BE AT THERAPEUTIC LEVELS. ACCORDING TO A CAMI PHYSICIAN, THE DRUG, IN VIEW OF THE PILOT'S PREVIOUS MEDICAL HISTORY, DID NOT BY ITSELF, PRESENT A DISQUALIFYING CONDITION THAT WOULD HAVE BEEN EXPECTED TO ADVERSELY AFFECT THE PILOT'S ABILITY TO PILOT A GLIDER. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1992_LAX92LA346.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.