Accident · 1991-08-09

NTSB case CHI91DER13 · BELL 47G-3B-1 · Part 137

What the record says

Event date: 1991-08-09
Event type: Accident
Highest injury level: No injuries
Aircraft: BELL 47G-3B-1 (N73998)
Operating rule: Part 137
Operator: CHURCHILL, SCOTT Operator named in NTSB report
Operated by (per NTSB report): CHURCHILL, SCOTT

Probable cause

THE PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL OF THE HELICOPTER DURING THE FORCED LANDING. RELATED FACTORS ARE THE LOSS OF ENGINE POWER, LOSS OF ROTOR RPM, THE ERODED COMPRESSOR BLADES, THE PILOT'S OPERATION WITH KNOWN DEFICIENCIES IN EQUIPMENT AND INADEQUATE AIRCRAFT PREFLIGHT, AND THE BLOCKED SPRAY EQUIPMENT.

Source: NTSB case CHI91DER13

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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