Accident description
Last updated: 23 August 2014
Status:
Date:Tuesday 14 February 1956
Time:15:38
Type:de Havilland Canada U-1A Otter (DHC-3)
Operator:United States Army
Registration: 55-3252
C/n / msn: 92
First flight: 1956
Crew:Fatalities: 4 / Occupants: 4
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 4 / Occupants: 4
Airplane damage: Damaged beyond repair
Location:Toronto, ON (   Canada)
Phase: En route (ENR)
Nature:Military
Departure airport:Toronto-Downsview Airport, ON (YZD/CYZD), Canada
Destination airport:Toronto-Downsview Airport, ON (YZD/CYZD), Canada
Narrative:
A group of three U-1A Otters were allocated for training flights out of the Downsview Airport, in the course of pre-delivery U.S. Army pilot training. Otter 55-3252 departed the airport at 15:21. Seventeen minutes later the aircraft broke up in midair. It crashed near Keele Street, killing all aboard.
Initial investigations concluded that the airplane broke up after entering wake turbulence. Investigation into the accident of RCAF Otter 3666 which crashed April 10 of the same year revealed that the this accident may have been preceded by a sudden spontaneous full flap retraction.


Sources:
» Air crash : the clue is in the wreckage / Fred Jones


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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Toronto-Downsview Airport, ON to Toronto-Downsview Airport, ON as the crow flies is NAN km (NAN miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Networkĺs opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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