NTSB CAROL · Event
Event SEA91LA033
Aircraft involved
Probable cause & findings
THE PILOT'S FAILURE TO MAINTAIN SUFFICIENT ALTITUDE FOR TERRAIN CLEARANCE. ALSO CAUSAL WAS THE PILOT'S IMPAIRMENT DUE TO ALCOHOL. CONTRIBUTING FACTORS WERE THE NIGHT LIGHT CONDITION AND THE HILLY TERRAIN.
Factual narrative
THE AIRPLANE WAS FOUND INVERTED ON THE SIDE OF A HILL APPROXIMATELY 1,290 FT FROM A LARGE TREE WITH A BROKEN BRANCH. WITNESSES BELIEVE THAT THEY SAW THE AIRPLANE AT DUSK IN THE VICINITY OF OLA. A BOTTLE OF VODKA, 1/4 TO 1/3 FULL, WAS FOUND AT THE WRECKAGE SITE. THE PILOT'S ETHANOL LEVEL IN BOTH VITREOUS FLUIDS AND LUNG TISSUE WAS 0.23%. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1990_SEA91LA033.txt.
Findings + structured fields enriched from FAA avall.mdb.
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