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SEA89LA061

1989-02-17 · SPOKANE, Washington, United States · None · 1 aircraft · Status: Completed

Airport GEG

N54US has since been reassigned. It is now registered to a different aircraft (BEECH B100, built 1981), which was not involved in this event.

Aircraft involved

Probable cause & findings

THE FAILURE OF THE PILOT TO MAINTAIN DIRECTIONAL CONTROL AND RUNWAY ALIGNMENT DURING THE LANDING ROLL. FACTORS RELATED TO THE ACCIDENT WERE: LIGHT CONDITIONS AT DAWN, SNOW AND ICE ON THE RUNWAY, AND THE RUNWAY LIGHTS.

Factual narrative

WHILE LANDING AT DAWN WITH SNOW & ICE ON THE RWY, THE ACFT DRIFTED LEFT INTO RUNWAY LIGHTS, WHICH WERE BURIED IN A SNOW BERM FROM PREVIOUS PLOWING. THE PLT SAID THERE WAS 16 INCHES OF SNOW ON THE GND & UP TO 2 INCHES ON THE RWY. HE SAID HE THOUGHT HE HAD LANDED ON THE CENTERLINE, LOST CONTROL IN A SNOWDRIFT, THEN THE ACFT DRIFTED INTO SNOW ADJACENT TO THE RWY. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1989_SEA89LA061.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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