The NTSB is investigating what caused a sightseeing helicopter to break apart and crash into the Hudson River, killing all ...

Over the years, there have been multiple crashes, including a collision between a plane and a tourist helicopter over the ...

Second is this phenomenon called 'mast bumping,'" Brauchle said. Mast bumping happens when the rotor blade of the helicopter tilts too far down and strikes the helicopter, which can cut the tail ...