The line was more than 1 kilometer long, or more than half a mile, strung between mountains near Superior, Arizona, authorities said.

SUPERIOR, Ariz. — Four people have died after a helicopter crashed Friday morning in Superior, Arizona, east of Phoenix, according to the Federal Aviation Administration. The FAA said an MD 369FF private helicopter went down in the mountains near Telegraph Canyon around 11 a.m.

A MD Helicopters MD530F (369FF) helicopter, N3502P, crashed in a remote mountainous terrain near Superior, Arizona. All four occupants died in the crash. The helicopter was destroyed.