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

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

A helicopter collided with a 2,800-foot-long slackline across Telegraph Canyon in Arizona, killing all four passengers.

A fatal Arizona helicopter crash involving a high-altitude slackline has renewed scrutiny of the FAA’s NOTAM system ahead of ...

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

A helicopter crash in a remote Arizona canyon killed a local man and his three nieces on his wedding day after the aircraft ...

This season invites American Jimmy Chin, a professional mountaineer, photographer, skier, Oscar award-winning film director, ...

Oregon-based Mr McCarty and his nieces Rachel, 23, Faith, 21, and their cousin Katelyn Heideman, 22, were all pronounced dead ...

Family members shared details about four relatives killed when a helicopter crashed near Superior after investigators said it struck a slackline.