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Atlas / NTSB / SEA91FA075

NTSB CAROL · Event

Event SEA91FA075

1991-03-31 SEATTLE, Washington, United States Airport · BFI Fatal 1 aircraft Status: Completed

Aircraft involved

Probable cause & findings

THE LOSS OF CONTROL IN FLIGHT BY THE PILOT DUE TO HIS IMPROPER PREFLIGHT PREPARATION IN FAILING TO SECURE CARGO WHICH SHIFTED IN FLIGHT AND INTERFERED WITH THE MOVEMENT OF THE CYCLIC CONTROL STICK.

Factual narrative

THE ACFT WAS ON VFR FINAL APPR AT 100 FT AGL WHEN IT ROLLED OVER, DESCENDED UNCONTROLLED, AND IMPACTED THE ROOF OF A WHSE. THE IMPACT BROKE A SKYLIGHT IN THE ROOF AND THE ACFT FELL THROUGH THE HOLE, COMING TO REST INSIDE THE WHSE. ROCKS, HAND TOOLS, AND A LARGE UNSECURED TREE STUMP WERE IN THE ACFT CABIN. THE STUMP HAD A FRESH SCAR AND BLACK PAINT SMEARS ADJACENT TO THE CYCLIC CONTROL STICK. A SCREW HEAD IN THE BLACK CYCLIC STICK WAS FILLED WITH WOOD SPLINTERS. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_SEA91FA075.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 (loss of control). 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 ↗