Investigators recovered a flight data recorder and a GoPro camera Tuesday as they tried to determine the cause of a deadly helicopter crash in the East River and figure out whether passengers' harnesses hindered their escape from the sinking aircraft.
The helicopter's five passengers drowned when it touched down in the river and capsized, medical examiners said. The pilot escaped.
National Transportation Safety Board investigators picked over the damaged helicopter at a police hangar as one victim's family sued chopper owner Liberty Helicopters and others.
The lawsuit spotlights the harnesses used in the open-door flight and notes the aircraft's inflatable floats...