PMBlack Hawk black box recovered: NTSBThe Black Hawk's black box -- a combined cockpit voice recorder and digital flight data recorder -- has been recovered in good condition, NTSB member Todd Inman said during a briefing.

As investigators try to uncover what happened when an airplane and a helicopter collided over the Potomac River, here is the latest information.

The National Transportation Safety Board says it has recovered a cockpit voice recorder and flight data recorder from the American Airlines plane that collided with an Army Black Hawk helicopter near Reagan National Airport late Wednesday.