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SEA92LA088

1992-05-01 · HILLSBORO, Oregon, United States · None · 1 aircraft · Status: Completed

Airport HIO

N5211Y has since been reassigned. It is now registered to a different aircraft (CESSNA AIRCRAFT CO 162, built 2011), which was not involved in this event.

Aircraft involved

Probable cause & findings

THE PILOT IN COMMAND'S EXCESSIVE APPLICATION OF COLLECTIVE.

Factual narrative

DURING AN PRACTICE AUTOROTATION THE PILOT APPLIED TOO MUCH COLLECTIVE TOO EARLY AND THE HELICOPTER LANDED HARD RESULTING IN THE MAIN ROTOR BLADES FLEXING DOWN AND SEVERING THE TAILBOOM ASSEMBLY. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1992_SEA92LA088.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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