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Atlas / NTSB / SEA91LA084

NTSB CAROL · Event

Event SEA91LA084

1991-04-13 ELLENSBURG, Washington, United States None 1 aircraft Status: Completed

Aircraft involved

Probable cause & findings

THE IMPROPER MAINTENANCE INSPECTION OF THE AIRCCRAFT. A FACTOR RELATING TO THE ACCIDENT WAS A DITCH IN THE LADNING AREA.

Factual narrative

THE ACFT ENGINE LOST OIL PRESSURE AND QUIT DURING CRUISE FLIGHT. THE PILOT INITIATED AN EMERGENCY FORCED LANDING IN A FIELD ND THE ACFT IMPACTED AN IRRIGATION DITCH DRUING LANDING ROLL. EXAM OF THE WRECKAGE REVEALED A LOOSE OIL LINE FITTING FROM THE OIL COOLER. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_SEA91LA084.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type or causal vocabulary (maintenance). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗