Accident · 1992-08-25

NTSB case SEA92LA191 · HELIO H-391B · Part 91

What the record says

Event date: 1992-08-25
Event type: Accident
Highest injury level: No injuries
Aircraft: HELIO H-391B (N4431U)
Operating rule: Part 91
Operator: BROWN, CHRISTOPHER K. Operator named in NTSB report
Operated by (per NTSB report): BROWN, CHRISTOPHER K.

Probable cause

THE PARTIAL LOSS OF ENGINE POWER WHEN AN EXHAUST VALVE SEIZED IN THE OPEN POSITION AND THE WATER WHERE THE PILOT WAS FORCED TO LAND, WHICH RESULTED IN AN ACFT NOSE OVER ON TOUCHDOWN.

Source: NTSB case SEA92LA191

Flight crew

Flight-crew details for this event aren't in the NTSB database extract we hold (its coverage starts with 2008 events) — a gap in our data, not an absence of crew.

Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.

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