What happened
On March 31, 2011, at approximately 1745 Pacific daylight time, a De Havilland DHC-3T experienced an in-flight breakup approximately 39 nautical miles northeast of Mayo, Yukon Territory, Canada. The aircraft, registration C-GMCW, was operated by the Black Sheep Aviation and Cattle Company of Whitehorse, Yukon Territory. The pilot, who was flying solo, sustained 1 fatal injury.