The helicopter crashed after it struck a recreational slackline suspended in Telegraph Canyon on Jan. 2, killing all four ...
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New details released in Superior helicopter crash that killed 4
The National Transportation Safety Board released its preliminary report on the Jan. 2 Superior crash that killed four family members on the pilot's wedding day.
How was a thin strip of nylon or polyester webbing stretched between two points to blame in the January crash that killed four near Superior?
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