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Atlas / NTSB / SEA93IA050

NTSB CAROL · Event

Event SEA93IA050

1993-01-11 RIVERTON, Wyoming, United States Airport · RIW None 1 aircraft Status: Completed

Aircraft involved

Probable cause & findings

THE PILOT'S DISORIENTATION. FACTORS INCLUDE SNOW, FOG, SNOW COVERED TERRAIN, AND A DRAINAGE DITCH.

Factual narrative

WHILE ATTEMPTING TO EXIT THE RUNWAY AFTER LANDING IN CONDITIONS OF REDUCED VISIBILITY, THE CAPTAIN BECAME DISORIENTED, AND TURNED THE AIRCRAFT ONTO SNOW COVERED TERRAIN, BELIEVING IT TO BE A TAXIWAY. ONCE THE CREW REALIZED THAT THEY WERE NOT ON THE TAXIWAY, THE CAPTAIN ATTEMPTED TO STOP THE AIRCRAFT. THE NOSE WHEEL COLLAPSED WHEN IT HIT A SNOW COVERED DITCH PRIOR TO THE AIRCRAFT COMING TO A STOP. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1993_SEA93IA050.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.