The National Transportation Safety Board (NTSB) yesterday released the preliminary report of its investigation into the May 13, 2019, mid-air collision approximately seven miles northeast of Ketchikan, Alaska between a float-equipped de Havilland DHC-2 Beaver and a float-equipped de Havilland DHC-3 Turbine Otter.
NTSB Releases Preliminary Report on Alaska Midair Collision
