This article originally published at Helicopter crashes into kilometer-long slackline in Arizona, killing four.
Federal investigators are examining if a slackline was properly authorized following the deadly helicopter crash near ...
The people who strung the line - which is used in a sport akin to tightrope walking - had filed an aviation safety notice, ...
A half-mile-long slackline was hung across Telegraph Canyon, a recreational area located about 60 miles east of Phoenix in ...
Investigators say a helicopter hit a highline stretched across Telegraph Canyon near Superior, killing four. Here’s what to ...
The line was more than 1 kilometer long, or more than half a mile, strung between mountains near Superior, Arizona, ...
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