NONE · BELL 47G-3B-1 · 1991-08-09 · MAPLE GROVE, MN, USA
Event
NTSB number
CHI91DER13
Event ID
20001212X17795
Type
Accident
Date
1991-08-09
Location
MAPLE GROVE, MN, USA
Coordinates
45.130474, -93.450279
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
1
Total aboard
1
Aircraft
Make
BELL
Model
47G-3B-1
Registration
N73998
FAR Part
137
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
THE PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL OF THE HELICOPTER DURING THE FORCED LANDING. RELATED FACTORS ARE THE LOSS OF ENGINE POWER, LOSS OF ROTOR RPM, THE ERODED COMPRESSOR BLADES, THE PILOT'S OPERATION WITH KNOWN DEFICIENCIES IN EQUIPMENT AND INADEQUATE AIRCRAFT PREFLIGHT, AND THE BLOCKED SPRAY EQUIPMENT.