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

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

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, ...

Helicopter crash in Arizona linked to collision with slackline prompts investigation into aviation safety and pilot alert ...

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 ...

The crash occurred around 11 a.m. local time Friday and involved an MD 369FF helicopter, according to the Federal Aviation ...

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 ...

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

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