ASN Wikibase Occurrence # 198808
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| Date: | Sunday 13 September 2009 |
| Time: | 09:15 |
| Type: |  Flight Design CTSW |
| Owner/operator: | Private |
| Registration: | N466CT |
| MSN: | 07-02-12 |
| Total airframe hrs: | 90 hours |
| Engine model: | Rotax 912ULS |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Gettysburg, PA -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Gettysburg, PA (W05) |
| 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:
 |
|
Sources:
NTSB
History of this aircraft
Other occurrences involving this aircraft
| 6 April 2016 | N466CT | Private | 0 | Hilton Head Airport (KHXD), Hilton Head Island, SC | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Aug-2017 15:10 | ASN Update Bot | Added |
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