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.

Sixty-seven people are believed to have died after a passenger plane hit a military helicopter in mid-air near Washington DC's Ronald Reagan airport on Wednesday evening.

A deadly collision between a commercial jet and an Army helicopter is bringing renewed focus on the federal agency charged with investigating aviation disasters