Midair collision kills 67 people in the deadliest US air disaster in almost a quarter century
Air crash investigations can take months, and federal investigators told reporters they would not speculate on the cause.
Jet's black boxes found, as cause of deadly DC crash investigated
Investigators have retrieved the voice and data recorders from the passenger plane following Wednesday's crash which killed 67 people.
What to know about the NTSB and the investigation into the DC midair tragedy
The NTSB is an independent federal agency responsible for investigating all civil aviation accidents and other serious incidents in the U.S.
WBAL TV Baltimore on MSN48m
No survivors expected after plane, helicopter crash in DC
No one is expected to have survived a collision between an American Airlines plane and an Army helicopter Wednesday night near Ronald Reagan Washington National Airport, officials said.WHAT WE KNOW SO ...