After early setbacks, Russian helicopter pilots shifted to low-altitude operations and high-angle indirect fire, known as ...

Rotor brakes are typically used to stop the helicopter's rotor and prevent further rotation. This allows passengers to vacate ...

This method requires the rotor to be powered, otherwise it wouldn't spin fast enough to create enough force to maintain altitude, and is fundamentally why helicopters need tail rotors.

The rotor of the helicopter from last week's deadly crash has been retrieved from the Hudson River, four days after the devastating accident that killed all six people on board, according to a ...

Investigators in Whitemarsh Township are just beginning to determine what caused a medical helicopter to make an emergency landing Monday night.

New York Helicopter tours, the company involved in deadly crash on Hudson River is shutting down operations immediately, the FAA says.

Homendy said crews were at the very early stages of the investigation and still working to recover the main rotor and tail pieces of the helicopter.

The main rotor of the doomed helicopter that crashed into the Hudson River was finally recovered Monday -- as investigators continue to probe what caused the deadly tragedy.

The helicopter’s main and tail rotor detached from the body of the aircraft and could be seen splashing into the water separately, eyewitness video shows.

If helicopters didn't have tail rotors, they would spin in circles because they need a force pushing in the opposite direction as the main rotor.

New York Helicopter tours, the company involved in deadly crash on Hudson River is shutting down operations immediately, the FAA says.