The Federal Aviation Administration reportedly first issued a Notice to Airmen of a tightrope 600 feet above ground level on ...

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

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

A private helicopter crashed into a slackline in a mountainous region of southeast Arizona earlier this month, killing the ...

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

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

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

Three young women reported to be from Oregon and a pilot died Friday when their helicopter struck a slackline strung across ...

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

Federal aviation records show that a week before a fatal helicopter crash, a notice was issued that a tightrope would be ...