Incident · 1988-07-12

NTSB case NYC88IA186 · MBB BK-117 · Part 91

What the record says

Event date: 1988-07-12
Event type: Incident
Highest injury level: No injuries
Aircraft: MBB BK-117 (N135CP)
Operating rule: Part 91
Operator: COLGATE PALMOLIVE Operator named in NTSB report
Operated by (per NTSB report): COLGATE PALMOLIVE

Probable cause

FAILURE OF THE MAIN ROTOR BLADE APPEARS TO BE THE RESULT OF A STATIC DOWNWARD BENDING OVERSTRESS, CAUSED BY ANOTHER HELICOPTER HOVERING OVER OR VERY CLOSE TO THE MAIN ROTOR BLADE AS IT WAS IN A STATIC/STOPPED POSITION.

Source: NTSB case NYC88IA186

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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