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SEA93LA056

1993-01-24 · BRIGHAM CITY, Utah, United States · None · 1 aircraft · Status: Completed

Airport BMC

Aircraft involved

Probable cause & findings

THE LOCATION OF UNMARKED ELECTRICAL TRANSMISSION WIRES OVER A DESIGNATED AIRPORT TAXIWAY. FACTORS RELATING TO THE ACCIDENT WERE THE PILOT'S LACK OF EXPECTANCY TO ENCOUNTER WIRES ABOVE AN ARPT TAXIWAY, AND HIS DIVERTED ATTENTION DUE TO THE CLOSE PROXIMITY OF THE TAXIWAY TO BUILDINGS AND THE LOOSE DRY SNOW ON THE AIRPORT.

Factual narrative

THE PILOT LANDED ON THE AIRPORT RAMP TO REFUEL AND DETERMINED THE PUBLIC FUEL SERVICE FACILITY WAS NOT OPERATING. HE ARRANGED TO PURCHASE FUEL FROM A PRIVATE OPR AND WAS HOVER TAXIING ABOUT 400 FEET FROM THE RAMP TO A PRIVATE HANGER WHEN THE ACFT IMPACTED UNMARKED ELECTRICAL POWER LINES 30 FT ABOVE A DESIGNATED TAXIWAY. THE ACFT IMPACTED ON THE TAXIWAY IN AN UNCONTROLLED DESCENT AND ROLLED OVER. THE TAXIWAY, LOCATED BESIDE A HANGER, AND THE RAMP WERE COVERED WITH LOOSE DRY SNOW. THE WX WAS DARK OVERCAST SKIES AND LIMITED VISIBILITY. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1993_SEA93LA056.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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