NONE · MBB BK-117 · 1988-07-12 · MANHATTAN, NY, USA
Event
NTSB number
NYC88IA186
Event ID
20001213X26360
Type
Incident
Date
1988-07-12
Location
MANHATTAN, NY, USA
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
1
Total aboard
1
Aircraft
Make
MBB
Model
BK-117
Registration
N135CP
FAR Part
091
Engines
2
Damage
MINR
Conditions
Light
DAYL
Weather
Unk
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.