NONE · Bell OH-58A · 2020-05-20 · West Branch, MI, USA
Event
NTSB number
CEN20LA187
Event ID
20200520X22054
Type
Accident
Date
2020-05-20
Location
West Branch, MI, USA
Coordinates
44.215557, -84.188056
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
2
Total aboard
2
Aircraft
Make
Bell
Model
OH-58A
Registration
N153SA
FAR Part
091
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
The pilot's failure to maintain rotor rpm during a precautionary autorotation, which resulted in a hard landing. Contributing to the accident was the airframe vibration for reasons that could not be determined because examination of the helicopter revealed no anomalies.