MINR · CESSNA 150G · 2012-09-21 · Corinth, MS, USA
Event
NTSB number
ERA12LA574
Event ID
20120922X32829
Type
Accident
Date
2012-09-21
Location
Corinth, MS, USA
Coordinates
34.908889, -88.601943
Injuries
Highest injury
MINR
Fatal
0
Serious
0
Minor
2
Uninjured
0
Total aboard
2
Aircraft
Make
CESSNA
Model
150G
Registration
N8465J
FAR Part
091
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
The improper torque application on the crankshaft gear bolt by maintenance personnel during an engine overhaul, which resulted in the fatigue failure of the locking tab washer and gear alignment dowel and subsequent engine stoppage. Contributing to the accident was the operator’s exceedence of the engine overhaul calendar year limits recommended by the engine manufacturer.