Accident · 1991-11-28

NTSB case LAX92FA054 · AEROSPATIALE SA 316B · Part 135

What the record says

Event date: 1991-11-28
Event type: Accident
Highest injury level: Fatal injury
Aircraft: AEROSPATIALE SA 316B (N146RM)
Operating rule: Part 135
Operator: Rocky Mountain Helicopters Operator named in NTSB report
Operated by (per NTSB report): ROCKY MOUNTAIN HELICOPTERS

Probable cause

FAILURE OF THE HELICOPTER'S TAIL ROTOR DRIVE SHAFT AND DRIVE SHAFT BEARING DUE TO UNDETERMINED REASON(S).

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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