See How Investigators Pulled A Crashed Helicopter From The Bottom Of The Arctic Ocean [PHOTOS]
Sep 27, 2013, 03:44 IST
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After the crash, whose cause has not yet been determined, the Transportation Safety Board (TSB) of Canada sent a team to the site of the accident, in the M'Clure Strait, north of Banks Island in the Northwest Territories.
A key part of an investigation like this is examining the wreckage.
That's a lot harder to do when the evidence is at the bottom of a frigid ocean.