Video showed the helicopter plunging into the 5-foot-deep water near Jersey City, New Jersey, without its tail rotor or main rotor blade. Emergency personnel work at the scene of a helicopter ...

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 ... an issue with the internal layers of the blade separating due to material fatigue, damage or other defects.