sentences:  On 8 April 1954, a Royal Canadian Air Force Canadian Car and Foundry Harvard Mk.II "3309" collided with Trans-Canada Airlines North Star "CF-TFW" over Moose Jaw, Saskatchewan, killing 36 people aboard the aircraft and one person on the ground.As a result of this crash, training flights are restricted south of the Trans Canada Highway and civil aviation transit north of the highway.On 21 September 1955