ASN Wikibase Occurrence # 287379
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| Date: | Thursday 13 September 2012 |
| Time: | 13:00 LT |
| Type: |  Cessna A185F |
| Owner/operator: | Denali Air |
| Registration: | N4786Q |
| MSN: | 18503556 |
| Year of manufacture: | 1978 |
| Total airframe hrs: | 5024 hours |
| Engine model: | Continental IO 520 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Denali Park, Alaska -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Denali Park, AK (AK06) |
| Denali Park, AK (AK06) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was returning from a weather observation flight when the right wheel/ski actuator connecting bolt broke and the ski deflected downward about 90 degrees. The pilot maintained control of the airplane; however, during the descent to the airport he realized that he was descending faster than he anticipated. He increased the airplane's pitch angle in an effort to climb, but the airplane contacted a power line. The pilot continued to the destination airport and landed after two low passes. The airplane sustained substantial damage to the left wing. The pilot stated that he was aware of the power line, but was so focused on the ski deflection and maintaining control of the airplane that he did not even realize that the airplane had struck it. The failure of the wheel/ski actuator connecting bolt was likely due to the repetitive forces to the skis that typically occur in normal ski operation.
Probable Cause: The pilot's failure to maintain clearance from an electric transmission line during the approach to land because he was distracted by the airplane's broken and deflected landing ski. Contributing to the accident was the in-flight failure of the right ski connecting bolt and the subsequent ski deflection.
Accident investigation:
 |
|
Sources:
NTSB ANC12LA106
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Oct-2022 10:16 | ASN Update Bot | Added |
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