Questions swirl after deadly chopper crash off Key Biscayne as 2 surviving victims recover

A helicopter crash off Key Biscayne that left a man dead and sent two others to the hospital is raising questions as federal investigators work to determine what went wrong. It s still too early to say what caused a Robinson R44 helicopter to go down in Biscayne Bay, late Wednesday morning. The aircraft ended up fully submerged and upside down in the water, its yellow floaters seen bobbing on the surface. Speaking with reporters Wednesday afternoon, Miami-Dade County Sheriff Rosie Cordero-Stutz confirmed one of the three men on board did not survive. This is a very tragic event, she said. After the chopper crashed, MDSO officials said, someone on a boat tried to save the unresponsive victim by performing CPR before first responders took over. Unfortunately, even through all the life-saving efforts, the individual was pronounced deceased on the scene, said Cordero-Stutz. According to the Federal Aviation Administration, the small helicopter crashed near Bill Baggs C