Accident · 1991-07-01

NTSB case DEN91LA095 · BELL 412 · Part 91

What the record says

Event date: 1991-07-01
Event type: Accident
Highest injury level: No injuries
Aircraft: BELL 412 (N20703)
Operating rule: Part 91
Operator: Air Methods Corp. Operator named in NTSB report
Operated by (per NTSB report): AIR METHODS CORPORATION

Probable cause

THE PILOT'S FAILURE TO MAINTAIN ADEQUATE MAIN ROTOR RPM PRIOR TO TOUCHDOWN. FACTORS WERE: THE DISCONNECTED ENGINE TO TRANSMISSION DRIVE SHAFT AND THE INADEQUATE INSPECTION BY COMPANY MAINTENANCE PERSONNEL.

Source: NTSB case DEN91LA095

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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