Trooper-paramedic Hunter Bennett and pilot Robert Skankey died when their helicopter crashed during active shooter pursuit in Flagstaff last month.

A mechanical failure, specifically a problem with the main rotor, caused the fatal DPS helicopter crash in Flagstaff, according to a preliminary NTSB report.

A preliminary NTSB report points to a mechanical problem in the main rotor of a DPS helicopter that crashed in Flagstaff, killing two personnel. The final report could take over a year.

The preliminary NTSB reports reveals more details about the deadly helicopter crash reported last month in Flagstaff.

Add Yahoo as a preferred source to see more of our stories on Google. An Arizona Department of Public Safety pilot and paramedic trooper were killed in a helicopter crash after "numerous gunbattles" ...

The helicopters that crashed last month in Hammonton, New Jersey, were flying closely together before they collided, a new National Transportation Safety Board report says. The crash killed both ...

A private helicopter crashed Friday in a mountainous area of Arizona, killing all four people aboard, officials said. Those killed were the 59-year-old pilot, two 21-year-old women and a 22-year-old ...