# NTSB ANC11WA026: De Havilland, Mayo, Canada, April 1, 2011

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Foreign investigation
- Date: March 31, 2011, 17:45 local (Apr 1, 2011, 00:45 UTC)
- Place: Mayo, Canada
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Led by another country's authority
- NTSB office: Alaska Regional Office
- Lead agency: Other
- Parties: Canada TSB
- NTSB case key (mKey): 78912
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC11WA026
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/78912/pdf
- Page: https://openairdocs.org/ntsb/ANC11WA026

## Analysis

On March 31, 2011, approximately 1745 pacific daylight time, a Canadian registered De Havilland DHC-3T airplane, Canadian registration C-GMCW sustained substantial damage when it broke-up in-flight, about 39 nautical miles northeast of Mayo, Yukon Territory, Canada. The airplane was owned and operated by the Black Sheep Aviation and Cattle Company, Whitehorse, Yukon Territory. The solo pilot was killed in the accident. The investigation of this accident is under the jurisdiction of the Transportation Safety Board of Canada. Further information pertaining to this accident can be obtained from: Transportation Safety Board of Canada 17803-106A Ave, Edmonton, Alberta, Canada, T5S 1V8

## Factual narrative

On March 31, 2011, approximately 1745 pacific daylight time, a Canadian registered De Havilland DHC-3T airplane, Canadian registration C-GMCW sustained substantial damage when it broke-up in-flight, about 39 nautical miles northeast of Mayo, Yukon Territory, Canada. The airplane was owned and operated by the Black Sheep Aviation and Cattle Company, Whitehorse, Yukon Territory. The solo pilot was killed in the accident. The investigation of this accident is under the jurisdiction of the Transportation Safety Board of Canada. Further information pertaining to this accident can be obtained from: Transportation Safety Board of Canada 17803-106A Ave, Edmonton, Alberta, Canada, T5S 1V8

## Aircraft

- Registration: C-GMCW (not matched to a registry record)
- Reported make and model: DE HAVILLAND
- Category: Airplane
- Damage: Substantial damage
- Operator: Black Sheep Aviation and Cattle Company
- Registered owner: Black Sheep Aviation and Cattle Company
- Airworthiness certificate: Standard, Normal
- Flight plan: Unknown

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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