The aircraft was an ATR 42-320 registered C-GWEA and was equipped with two PW121turboprop engines produced by Pratt & Whitney Canada. The aircraft entered service in 1991 with Aviación del Noroeste, and was later operated in different fleets including Zambia Airways, United Nations, Fly540, etc. The aircraft joined the fleet of West Wind Aviation in 2012, and was aged 26.8 years at the time of the crash. This type of aircraft has previously been associated with accidents due to ice forming on the wing in freezing weather. The most notable accident was American Eagle Flight 4184. Experts say that changes in procedures and aircraft systems have solved the problem.
Accident
The accident took place on December 13, 2017. According to the weather forecast, it was cloudy with temperature as low as. At 6:15 pm local time, the aircraft began its takeoff roll from Fond-du-Lac Airport. During the initial climb stage, the aircraft lost altitude and impacted the terrain away from the runway. There was an trail of debris. The aircraft finally came to a stop in the upright position yet tilted to the right. The most serious damage was on the left side of the airframe, where it ruptured near seats Row 3. There was no explosion nor fires at the crash site, but fuel leaks were found by nearby residents who rushed over for rescue work. Rescue work was immediately launched by local residents. Some of them followed the screams and rushed to the crash site near the airport, helping people to get out. The passengers also struggled to save themselves. Four of them tried for half an hour and managed to open the emergency exit door. Other passengers left the aircraft and guided local residents to the crash site. People sent out alerts through Facebook, calling for more resources, and in 10–20 minutes more people arrived with blankets. Within a few hours, all aircraft occupants were rescued. Royal Canadian Mounted Police finally took over the crash site. There were 25 people on board, including 22 passengers, 2 pilots and 1 flight attendant. Nobody was killed initially, but six passengers and one crew member received serious injuries, at least five of whom were transported to hospital via air ambulance. The other 18 aircraft occupants received minor injuries. Passenger Arson Fern Jr., a 19-year-old, died on 25 December 2017 as a result of his injuries.
Investigation
launched the investigation. BEA, ATR, Pratt & Whitney Canada, and Transport Canada also sent representatives to the site. Flight recorders were recovered and sent to the lab in Ottawa. West Wind Aviation's air operator certificate was suspended on 22 December 2017 by Transport Canada, due to deficiencies in the company's operational control system. They were allowed to fly again on May 8, 2018, after West Wind cooperated with the TSB and implemented the necessary operational changes.
