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ASN Wikibase Occurrence # 198808
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Type:Silhouette image of generic FDCT model; specific model in this crash may look slightly different    
Flight Design CTSW
Registration: N466CT
MSN: 07-02-12
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Location:Gettysburg, PA -   United States of America
Phase: Unknown
Departure airport:Gettysburg, PA (W05)
Destination airport:Gettysburg, PA (W05)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
During landing, the right main landing gear touched first, followed by the left main gear which was accompanied by an audible “thump.” The left main gear collapsed and the airplane veered off the edge of the runway. The left main landing gear attachment fitting was examined at the NTSB materials laboratory and no preexisting fractures were noted. The steel fitting was constructed from tubing and bar stock, and was powder-coated after fabrication. Examination revealed that the fitting failed due to overstress midway along the angled tube portion and that the fractures were consistent with bending loads experienced during landing and taxiing. The examination further revealed that the wall thickness was less than the manufacturer's specifications, and that the interior of the angled tube had been counter-bored prior to the powered coating and final assembly at the factory. Review of the NTSB database revealed that there were two additional accidents that occurred with identical damage incurred; in all instances, the parts failed from an overstress fracture that initiated in approximately the same location.
Probable Cause: The failure of the left main wheel attachment fitting due to overstress.



Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 6 months
Download report: Final report
Other occurrences involving this aircraft

6 Apr 2016 N466CT Private 0 Hilton Head Airport (KHXD), Hilton Head Island, SC sub


Revision history:

19-Aug-2017 15:10 ASN Update Bot Added

Corrections or additions? ... Edit this accident description

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