Accident · 1994-07-07

NTSB case SEA94LA171 · ROBINSON R-22M · Part 91

What the record says

Event date: 1994-07-07
Event type: Accident
Highest injury level: No injuries
Aircraft: ROBINSON R-22M (N42WC)
Operating rule: Part 91
Operator: HILLSBORO HELICOPTERS, INC. Operator named in NTSB report
Operated by (per NTSB report): HILLSBORO HELICOPTERS, INC.

Probable cause

TAIL ROTOR GEARBOX FAILURE DUE TO INADEQUATE ASSEMBLY AND INSPECTION PROCEDURES BY THE MANUFACTURER.

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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