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

The case is making ripples through the aviation world, with safety experts unaware of any other helicopter crashes that have ...

Investigators say a helicopter hit a highline stretched across Telegraph Canyon near Superior, killing four. Here’s what to ...

The helicopter that crashed in Arizona, killing a man and three nieces — on his wedding day — has been recovered by federal ...

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

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

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

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 Oregonians who were killed when a helicopter crashed near Superior, Arizona on Jan. 2 were members of the same extended ...

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

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