ASN Wikibase Occurrence # 297771
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| Date: | Friday 6 September 2019 |
| Time: | 11:30 LT |
| Type: |  Cessna 195A |
| Owner/operator: | Private |
| Registration: | N9895A |
| MSN: | 7598 |
| Year of manufacture: | 1950 |
| Total airframe hrs: | 4186 hours |
| Engine model: | Jacobs R755A SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Pocahontas, Iowa -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Bismarck Airport, ND (BIS/KBIS) |
| Pocahontas Municipal Airport, IA (KPOH) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airline transport pilot reported that, upon landing, he immediately felt a shift to the left. The left main landing gear fractured and collapsed, and the airplane went off the runway. Postaccident metallurgical examination of the landing gear revealed that the fracture occurred from a thumbnail-shaped fatigue crack in the gear spring strut with multiple origins near the inboard attachment location at the forward edge of its upper surface. Final overstress fracture propagation direction was consistent with a downward-and-aft bending failure mode; thus, the fracture was more likely due to overload rather than the fatigue crack. This was consistent with drag loading of the left main landing gear wheel in combination with side-loading of the outboard side of the left main landing gear wheel, such as that encountered during a crosswind landing, ground loop, and/or hard left turn event. The loads experienced by the landing gear during the accident landing could not be determined, and a structural analysis was not performed to determine if the loads exceeded design load limitations.
Probable Cause: Overload failure of the left main landing gear during landing, which resulted in a loss of directional control.
Accident investigation:
 |
|
Sources:
NTSB CEN19LA322
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Oct-2022 08:26 | ASN Update Bot | Added |
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