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 ...

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

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

A property owner says the slackline the helicopter is believed to have hit didn't have his permission to be there.

Relatives named the four people killed when a helicopter struck a slackline in Telegraph Canyon east of Phoenix. FAA and NTSB ...

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

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

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

The Federal Aviation Administration said the helicopter was an MD 369FF. An investigation into the fatal crash near Superior ...

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

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