ASN Wikibase Occurrence # 320691
| Date: | Thursday 22 August 2013 |
| Time: | 19:08 |
| Type: |  de Havilland Canada DHC-3T Vazar Turbine Otter |
| Owner/operator: | Transwest Air |
| Registration: | C-FSGD |
| MSN: | 316 |
| Year of manufacture: | 1959 |
| Engine model: | Pratt & Whitney Canada PT6A-135A |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed, written off |
| Category: | Accident |
| Location: | 13 km SE of Ivanhoe Lake, NT -
 Canada
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | Scott Lake Lodge, SK |
| Ivanhoe Lake, NT | |
| Investigating agency: | TSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A de Havilland Canada DHC-3 Otter crashed near Ivanhoe Lake, NT, Canada. The airplane was en route from Scott Lake, SK.
Findings as to causes and contributing factors:
1. During approach to landing on the previous flight, the right-wing leading-edge and wing tip were damaged by impact with several trees.
2. The damage to the aircraft was not evaluated or inspected by qualified personnel prior to take-off.
3. Cumulative unmanaged stressors disrupted the pilot's processing of safety-critical information, and likely contributed to an unsafe decision to depart with a damaged, uninspected aircraft.
4. The aircraft was operated in a damaged condition and departed controlled flight likely due to interference between parts of the failing wing tip, acting under air loads, and the right aileron.
Accident investigation:
 |
|
Sources:
CADORS 2013C3581
Location
Revision history:
| Date/time | Contributor | Updates |
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