NONE · PIAGGIO P180 · 2012-10-31 · Boyne City, MI, USA
Event
NTSB number
CEN13FA038
Event ID
20121031X31551
Type
Accident
Date
2012-10-31
Location
Boyne City, MI, USA
Coordinates
45.208889, -84.989997
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
2
Total aboard
2
Aircraft
Make
PIAGGIO
Model
P180
Registration
N401WS
FAR Part
091
Engines
2
Damage
SUBS
Conditions
Light
DAYL
Weather
IMC
Probable cause
The select/bypass valve's failure to seal correctly because of improper shimming, which resulted in an uncommanded and uncontrollable left turn during landing. Contributing to the accident was the overhaul facility's improper overhaul of the steering manifold.