NONE · ROBINSON HELICOPTER COMPANY R44 II · 2017-07-25 · Lake Sutherlin, MT, USA
Event
NTSB number
WPR17LA168
Event ID
20170725X13055
Type
Accident
Date
2017-07-25
Location
Lake Sutherlin, MT, USA
Coordinates
46.635276, -110.735275
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
2
Total aboard
2
Aircraft
Make
ROBINSON HELICOPTER COMPANY
Model
R44 II
Registration
N233JD
FAR Part
091
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
The pilot’s transition into an out-of-ground-effect hover in high-density altitude conditions that exceeded the helicopter’s performance capabilities, which resulted in loss of rotor rpm.