Black boxes house critical flight data regarding aircraft and are designed to be resilient, with their retrieval typically a high priority after incidents.
Among the victims of the horrific American Airlines crash in Washington D.C. was 12-year-old Brielle Beyer, whose parents say had beaten cancer as an infant.
At a news conference Thursday, President Donald Trump — without evidence — cast blame on the helicopter pilots and baselessly alleged that diversity initiatives had undermined air safety.