Officials have identified all six people aboard the sightseeing helicopter that crashed into the Hudson River near New Jersey as investigators scour the murky water for additional parts of the ...

While it remains unclear how the helicopter broke apart, Joslin said that the primary way that a motor blade would detach is through a “mast bump,” which occurs when excessive flapping of the ...

The phenomenon of mast bumping arises from the physics of the rotor blades. Each helicopter blade is like a long, thin wing that generates lift as it carves through the air. Spinning at high speed ...