Pilot Debrief

Gulfstream-Schweizer G-164B near Genesee, ID — 2008-03-22

Final reportLAX08LA083
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Date
2008-03-22
Location
Genesee, ID, USA
Airport
NONE
Aircraft
Gulfstream-Schweizer G-164B
Registration
N8148K
Category
Airplane
Highest injury
Minor
Fatalities
0

Probable cause

The in-flight failure of the rudder attachment point due to severe corrosion, which made directional control of the airplane not possible during landing.

NTSB narrative

"THIS CASE WAS MODIFIED MARCH 25, 2009." The airplane was departing on an aerial application sortie when the lower portion of the rudder separated and yaw control was lost. The pilot flew the airplane for approximately 1/2 hour to learn its flight characteristics at low airspeeds and low power settings. During the landing, the airplane turned sideways, nosed over, and came to rest inverted. Examination of the rudder revealed that the lower rudder attachment point had failed. The separation surfaces displayed evidence of severe corrosion. The airplane had an annual inspection on March 17, 2008, and had flown 1/2 hour since the inspection. The area where the corrosion was found and the failure occurred did not require inspection.

NTSB coding

View NTSB final report

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