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

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

Former U.S. skeleton athlete John Daly was once asked why anyone would decide to hurl themselves, head first, down an ...

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

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

The crash resulted in the death of pilot David McCarty and his nieces Rachel McCarty, Faith McCarty and Katelyn Heideman ...

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

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 ...