2 fatal · PIPER PA-23-160 · 1992-09-02 · CONCORD, CA, USA
Event
NTSB number
LAX92FA374
Event ID
20001211X15705
Type
Accident
Date
1992-09-02
Location
CONCORD, CA, USA
Coordinates
38.000041, -122.030906
Injuries
Highest injury
FATL
Fatal
2
Serious
0
Minor
0
Uninjured
0
Total aboard
2
Aircraft
Make
PIPER
Model
PA-23-160
Registration
N4305Y
FAR Part
091
Engines
2
Damage
DEST
Conditions
Light
DAYL
Weather
VMC
Probable cause
The following Probable Cause was modified on April18, 2007, as a result of new information provided to the NTSB. THE IMPROPER INSTALLATION OF THE 1.75 INCH OD PLUG IN THE CRANKSHAFT BY UNKNOWN MAINTENANCE PERSONNEL WHICH RESULTED IN AN INADVERTENT FEATHERING OF THE LEFT ENGINE PROPELLER.