ASN Wikibase Occurrence # 153895
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| Date: | Friday 8 March 2013 |
| Time: | 13:30 |
| Type: |  Cessna A185F Skywagon |
| Owner/operator: | Talkeetna Air Taxi Inc |
| Registration: | N185FK |
| MSN: | 18502513 |
| Year of manufacture: | 1974 |
| Total airframe hrs: | 11283 hours |
| Engine model: | Continental IO 550 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Ruth Glacier inside Denali National Park and Preserve, AK -
 United States of America
|
| Phase: | Taxi |
| Nature: | Passenger |
| Departure airport: | Talkeetna, AK (PATK) |
| Talkeetna, AK | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot and three passengers were on an air tour flight in a wheel/ski-equipped airplane. The pilot reported that, after landing on a frozen, snow-covered lake and while taxiing, he felt the weight of the airplane transfer to the right wheel/ski as he initiated a left turn. He stated that, during the turn, the airplane’s wheel/skis began to sink into the soft snow and that the airplane subsequently nosed over, sustaining substantial damage to the wings, rudder, and vertical stabilizer. After the accident, the pilot reported seeing water overflow in the ski tracks of the airplane, which can rapidly decelerate the airplane during taxi. A postaccident examination revealed that the ski arm assembly on the right wheel/ski had separated at the weld area. Magnified optical examination of the fracture surfaces revealed features consistent with overstress separations of the welds. No indication of preexisting cracking, such as fatigue or corrosion, was noted.
Probable Cause: The overstress fracture and failure of the right wheel/ski arm while taxiing in snow and water-overflow terrain conditions, which resulted in a noseover.
Accident investigation:
 |
|
Sources:
NTSB
History of this aircraft
Other occurrences involving this aircraft
| 8 November 1993 | N185FK | Hageland Aviation Services | 0 | Chefornak, AK | |
sub |
Location
Images:
10.June 2011 at Talkeetna
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Mar-2013 03:10 | gerard57 | Added |
| 09-Mar-2013 06:35 | Timo Blossfeld | Updated [Aircraft type, Registration, Cn] |
| 09-Mar-2013 11:26 | RobertMB | Updated [Aircraft type, Operator, Location, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 28-Nov-2017 14:14 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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