C-FYMK, a Cessna 208B aircraft operated by Superior Airways, was conducting a flight from Red Lake (CYRL), ON to Pikangikum (CYPM), ON with the pilot and one passenger on board. During the initial climb at approximately 400 feet AGL, the pilot received a traffic alert, and initiated a best rate of climb. The aircraft then climbed out, and missed a helicopter by approximately 300 feet. It was reported that the traffic was C-GBOU, a privately operated Robinson R44 II helicopter.
The pilot of C-GBOU had reported its position 8 miles to the north east, during the initial takeoff roll of C-FYMK.