A private helicopter crashed into a slackline in a mountainous region of southeast Arizona earlier this month, killing the ...

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

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

A recreational tightrope strung across a remote Arizona canyon likely triggered a helicopter crash that killed four ...

Federal investigators recovered the helicopter near Superior and continued examining what led to the crash that left 4 family ...

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

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

A fatal helicopter crash southeast of Phoenix involved a slackline, also known as a highline, which investigators say the aircraft struck before plunging into a canyon. The crash occurred Jan. 2 in ...

The four victims of a helicopter crash east of the Valley late Friday morning have been identified by their family.