The people who strung the line - which is used in a sport akin to tightrope walking - had filed an aviation safety notice, ...

Federal aviation records show a notice was issued to pilots that a tightrope would be stretched across a mountainous area of ...

Four Oregonians died Jan. 2 in a helicopter crash in a remote canyon in Arizona. The Pinal County Sheriff's Office said the ...

Preliminary evidence indicated a slackline of more than 1 kilometer in length was strung recreationally across a canyon.

Four Oregon family members were identified Sunday as those killed when the private helicopter they were in hit a slackline ...

Preliminary evidence indicated a slackline of more than 1 kilometer in length was strung recreationally across a canyon.

Federal investigators are examining if a slackline was properly authorized following the deadly helicopter crash near ...

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, ...

A half-mile-long slackline was hung across Telegraph Canyon, a recreational area located about 60 miles east of Phoenix in ...

David McCarty, 59, was flying his relatives in his private helicopter through remote Telegraph Canyon near Superior, Ariz., ...

A sightseeing helicopter carrying four family members crashed in the mountains of central Arizona after apparently striking a ...