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SEA87LA007

1986-10-10 · SEATTLE, Washington, United States · None · 1 aircraft · Status: Completed

Airport BFI

Aircraft involved

Factual narrative

DURING A PRACTICE AUTOROTATION A LOSS OF POWER OCCURRED. THE PILOT ATTEMPTED ENGINE RECOVERY BUT WAS UNABLE TO RESULTING IN A HARD LANDING IN WHICH THE MAIN ROTOR BLADE FLEXED, SEVERING THE TAIL BOOM. THE THROTTLE LINKAGE ON THE PILOTS SIDE WAS FOUND TO HAVE BEEN OUT OF ADJUSTMENT, CAUSING THE ENGINE POWER TO FALL BELOW IDLE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1986_SEA87LA007.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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