Designers intend for the Mi-80 to feature more powerful engines and advanced avionics, enabling both manual and automatic operation during day and night—including over terrain lacking visual landmarks ...

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.

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

Surveillance footage and audio captured the helicopter traveling south before it "suddenly separated into three major sections," the NTSB said.

The rotor of the Bell 206 helicopter from last week’s deadly crash into the Hudson River has been retrieved, the National Transportation Safety Board said.

Divers recovered rotor components of the helicopter, including the main and tail systems, the NTSB said.

New York Helicopter Tours suspended its operations Sunday after a deadly crash into the Hudson River. On Monday, the FAA issued an emergency order to ground the company.

The aircraft was on a sightseeing flight when it suddenly broke apart in midair, its rotor blades falling separately toward the water.

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 ...

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

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