Part of the wreckage is seen as rescue crews search the waters of the Potomac River after a passenger plane on approach to Reagan National Airport crashed into the river after colliding with a US Army ...
This data point is one of several key mysteries investigators are exploring as they seek to explain what caused the nation's worst air disaster in more than a decade, aviation experts said.
The so-called “black box” from the Black Hawk helicopter, which collided with a passenger jet in Washington, D.C., has now been recovered, according to the National Transport Safety Board.