The Soviet Mil Mi6 was a behemoth of an aircraft. Here's why the massive helicopter had wings, and what other capabilities ...

The rotor of the helicopter in last week's deadly crash has been retrieved from the Hudson River.

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.

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

Several pieces of the crashed helicopter, including the main rotor, were pulled from the Hudson River on Monday. National Transport Safety Board ...

Investigation into deadly chopper tragedy Divers are scouring the Hudson River and investigators are going through maintenance logs to find out why the main rotor separated from the helicopter ...

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.

What is a Jesus nut? The Jesus nut is the main rotor holding nut, or pin, that holds the main rotor to the mast of some helicopters, according to science and tech website Technology.org.

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.

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