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SEA84IA008

1983-10-10 · SEATTLE, Washington, United States · None · 1 aircraft · Status: Completed

Airport BFI

Aircraft involved

Factual narrative

THE ACFT SUSTAINED A COMPLETE FAILURE OF THE TAIL ROTOR DRINE SHAFT DUE TO FATIGUE FROM STRESS CORROSION PRECIPITATED BYPREVIOUS DAMAGE AT WHICH TIME NO LOGBOOK ENTRY WAS RECORDED TO INDICATE THAT THE SHAFT HAD BEEN INSPECTED. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1983_SEA84IA008.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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External sources are reported, not agency: signal that something happened, not fact about what happened.