Shortly after the crash, another helicopter flew near the slackline, the National Transportation Safety Board investigation ...

The NTSB released on Wednesday its preliminary report into the helicopter’s collision with a slackline, including new ...

A preliminary report reveals the helicopter hit a slackline, a type of webbing, that was stretched across Telegraph Canyon.

The National Transportation Safety Board released its preliminary report on the Jan. 2 Superior crash that killed four family members on the pilot's wedding day.

The case is making ripples through the aviation world, with safety experts unaware of any other helicopter crashes that have involved a slackline.

Federal aviation records show that a week before a fatal helicopter crash, a notice was issued that a tightrope would be stretched across a mountainous area of Arizona, providing a warning for pilots ...

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

Officials say four people have been killed when a helicopter crashed in the mountains in Arizona SUPERIOR, Ariz. -- Four people were killed when a helicopter crashed Friday in the mountains in Arizona ...

A helicopter crash in Superior claimed four lives and raised concerns about FAA notification systems despite a NOTAM being issued for a highline the helicopter may have collided with.

A helicopter crash on Jan. 2 claimed the lives of four family members from Oregon in a remote area of Pinal County. Officials said the aircraft struck a slackline stretched across a canyon just before ...

A private helicopter with four people on board crashed in mountains near Phoenix on Friday, authorities said. Crews are working to access the remote crash site, located in the mountains near Telegraph ...