NONE · BELL BH-47G2A · 1991-03-31 · WAITSBURG, WA, USA
Event
NTSB number
SEA91LA077
Event ID
20001212X16707
Type
Accident
Date
1991-03-31
Location
WAITSBURG, WA, USA
Coordinates
46.219707, -118.14907
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
1
Total aboard
1
Aircraft
Make
BELL
Model
BH-47G2A
Registration
N38926
FAR Part
137
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
THE IMPROPER INSTALLATION OF THE MAIN ROTOR MAST NUT AND LOCK WASHER BY MAINTENANCE PERSONNEL WHICH RESULTED IN THE SEPARATION OF THE MAIN ROTOR SYSTEM.