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.

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 National Transportation Safety Board report released Tuesday shed more light on a crash involving an Arizona Department of Public Safety helicopter in Flagstaff that left two DPS crew members dead.

The preliminary report does not identify a specific cause of the crash. It does include, however, two important findings.

A radio feed from a police helicopter captured two loud banging sounds and a voice saying “we’re going down,” just before it crashed, killing the two people on board, according to a preliminary ...

New York City’s police commissioner says that authorities are investigating whether men who brought improvised explosive devices to a protest outside New York City’s mayoral residence were inspired by ...

This is read by an automated voice. Please report any issues or inconsistencies here. An Iranian military helicopter crashed into a fruit market in central Iran on Tuesday, reportedly killing at least ...

TEHRAN, Iran (AP) — An Iranian military helicopter crashed into a fruit and vegetable market in central Iran on Tuesday, reportedly killing at least four people. The crash happened in the town of ...