Federal investigators are examining if a slackline was properly authorized following the deadly helicopter crash near Superior that claimed the lives of four people on Friday, ...

Tragic helicopter crash kills pilot and his three nieces on his wedding day. Family devastated as celebratory flight turns deadly in remote canyon.

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

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

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

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

SUPERIOR, Ariz. -- Four people were killed when a helicopter crashed Friday in the mountains in Arizona, officials said. The crash near Telegraph Canyon, about 64 miles (103 kilometers) east of ...

This article originally published at Helicopter crashes into kilometer-long slackline in Arizona, killing four.

A family has identified the four people killed on board a helicopter crash near Superior, including a local man and his three young nieces on his wedding day. Authorities believe the helicopter struck ...

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

The crash occurred in Telegraph Canyon, about 65 miles east of Phoenix, and claimed the lives of David McCarty, 59, and three young women in his family: Katelyn Heideman, 22, and sisters Rachel ...

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