In a main and tail rotor setup, the tail rotor spins to produce side force, which enables the craft to yaw. Today, we are discussing how helicopters can change direction in the air without ...

Video showed the helicopter plunging into the 5-foot-deep water near Jersey City, New Jersey, without its tail rotor or main rotor blade. The NTSB is investigating the cause of the crash.

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.

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.

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

Conventional helicopters have a built-in speed limit, imposed by the physical limitations of their top-rotor lift systems. This fascinating Airbus project has found a way to break through that ...

Multiple motors or servos are the norm for drones to achieve controllable flight, but a team from MARS LAB HKU was able to a 360° lidar scanning drone with full control on just a single motor and ...

A former military helicopter pilot told BI the helicopter's rotary system appears to have failed. Helicopter crashes are more common than airplane accidents, but main rotor detachment is rare.

In a main and tail rotor setup, the tail rotor spins to produce side force, which enables the craft to yaw. Today, we are discussing how helicopters can change direction in the air without ...

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.