Thor Lake - Yellowknife

On September 22, 2011 at 01:18 PM, Thor Lake - Yellowknife experienced a crash involving De Havilland DHC-6 Twin Otter, operated by Arctic Sunwest Charters, with the event recorded near Yellowknife Northwest Territories.

The flight was categorized as scheduled revenue flight and the reported phase was landing (descent or approach) at a city crash site.

9 people were known to be on board, 2 fatalities were recorded, 7 survivors were identified or estimated. This corresponds to an estimated fatality rate of 22.2%.

Crew on board: 2, crew fatalities: 2, passengers on board: 7, passenger fatalities: 0, other fatalities: 0.

The listed crash cause is human factor. The float-equipped de Havilland DHC-6-300 Twin Otter (registration C-GARW, serial number 367) was landing at the float-plane base (CEN9) located in Yellowknife, Northwest Territories, along the western shore of Great Slave Lake, beside the area known as Old Town. There were 2 crew members and 7 passengers on board, and the first officer was the pilot flying. On touchdown, the aircraft bounced, porpoised and landed hard on the right float. The flight crew initiated a go-around; the aircraft lifted off at low speed in a nose-high, right-wing-low attitude, and it continued in a right turn towards the shore. As the turn continued, the aircraft’s right wing contacted power lines and cables before the float bottoms impacted the side of an office building. The aircraft then dropped to the ground on its nose and cart-wheeled into an adjacent parking lot. Both crew members were fatally injured, 4 passengers were seriously injured, and 3 passengers sustained minor injuries. The aircraft was substantially damaged. The 406-megahertz emergency locator transmitter activated. There was no fire. The accident occurred at 1318 Mountain Daylight Time.

Aircraft reference details include registration C-GARW, MSN 367, year of manufacture 1973.

Geospatial coordinates for this crash are approximately 62.4528°, -114.4695°.