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SEA93IA073

1993-03-05 · MCMINNVILLE, Oregon, United States · None · 1 aircraft · Status: Completed

Airport MMV

N9474F has since been reassigned. It is now registered to a different aircraft (BUCKEYE DREAM MACHINE), which was not involved in this event.

Aircraft involved

Probable cause & findings

AN INFLIGHT LOSS OF CONTROL, AND INADEQUATE REMEDIAL ACTION. FACTORS INCLUDE A TAILWIND, AND GUSTS.

Factual narrative

AT APPROXIMATELY TEN FEET AGL AND TEN KNOTS FORWARD AIRSPEED, THE AIRCRAFT, WHICH WAS TRANSITIONING FROM A DOWNWIND HOVER TO FORWARD FLIGHT, ROTATED QUICKLY TO THE RIGHT. THE PILOT WAS ABLE TO MAKE A PARTIAL RECOVERY, BUT THEN LOST CONTROL OF THE HELICOPTER. THE AIRCRAFT THEN DESCENDED TO THE RIGHT, IMPACTING THE RUNWAY SURFACE. THE INSPECTOR PILOT, WHO HAD ROLLED OFF A LITTLE THROTTLE WHEN THE PILOT FIRST LOST CONTROL, MOVED THE THROTTLE TO OFF JUST PRIOR TO GROUND IMPACT. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1993_SEA93IA073.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Search this event elsewhere

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

Related research

Matched on aircraft type or causal vocabulary (loss of control). All research papers