SERS · GRUMMAN G-164 · 1989-07-08 · GUYMON, OK, USA
Event
NTSB number
FTW89DPJ08
Event ID
20001213X28820
Type
Accident
Date
1989-07-08
Location
GUYMON, OK, USA
Coordinates
36.679283, -101.479171
Injuries
Highest injury
SERS
Fatal
0
Serious
1
Minor
0
Uninjured
0
Total aboard
1
Aircraft
Make
GRUMMAN
Model
G-164
Registration
N788Y
FAR Part
137
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
FAILURE OF THE UPPER RIGHT ENGINE MOUNT (FIREWALL ATTACH BOLT) DUE TO FATIGUE, AND FAILURE OF THE LOWER RIGHT MOUNTING BOLT FOR AN UNKNOWN REASON, WHICH ALLOWED OVERLOAD FAILURE OF THE TWO REMAINING MOUNTING BOLTS AND SEPARATION OF THE ENGINE.