List of accidents and incidents involving commercial aircraft 1990 – 2021
May 13 – A Taquan Air de Havilland Canada DHC-3 Turbine Otter floatplane collides in mid-air with a Mountain Air Service de Havilland Canada DHC-2 Beaver floatplane, while both are operating flights over George Inlet, Alaska, United States; the DHC-2 pilot and all four passengers are killed; the DHC-3 makes an emergency landing in water with the loss of one of its 10 passengers.