ASN Wikibase Occurrence # 370544
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| Date: | Thursday 14 September 2000 |
| Time: | 20:10 LT |
| Type: |  Piper PA-31-350 |
| Owner/operator: | Grant Aviation Inc. |
| Registration: | N4105D |
| MSN: | 31-8252027 |
| Year of manufacture: | 1981 |
| Total airframe hrs: | 9340 hours |
| Engine model: | Lycoming TIO-540-J2BD |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | EMMONAK, AK -
 United States of America
|
| Phase: | Landing |
| Nature: | Unknown |
| Departure airport: | ALAKANUK, AK (AUK) |
| (PAEM) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airline transport certificated pilot was landing a twin engine airplane on a rough, gravel runway that contained potholes. The commuter flight had just departed a similar, rough runway. During the landing roll, the airplane rolled down the runway for about 600 feet. The right main landing gear wheel then rotated about 90 degrees in its landing gear strut housing, and slid along the surface of the gravel runway for several hundred feet. The lower landing gear strut and wheel then broke away from the upper strut housing. The right wing settled onto the runway. The right propeller tips, and the trailing edge of the right flap were damaged. The right wing attach points for the landing gear were not damaged. Upon inspection of the airplane, a torque link, installed on the right main landing gear strut, was found fractured at the outer pivot bolt hole. An metallurgical examination of the torque link revealed a fracture through the pivot point of the link with features typical of overstress separation. No evidence of preexisting conditions, such as crack arrest marks, or corrosion damage was found.
Probable Cause: The pilot's continued operation of the airplane on unsuitable terrain, and the subsequent failure of the main landing gear torque link. Factors in the accident were rough and uneven runways, and inadequate surveillance of airport facilities/runway conditions by company management.
Accident investigation:
 |
|
Sources:
NTSB ANC00LA133
History of this aircraft
Other occurrences involving this aircraft
| 27 March 1997 | N4105D | Grant Aviation Inc | 0 | Nome Airport, AK | |
sub |
| 22 May 2004 | N4105D | Grant Aviation Inc. | 0 | Goodnews, Alaska | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Mar-2024 11:51 | ASN Update Bot | Added |
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