Black Hawk crew made two devastating mistakes seconds before crashing helicopter into airliner killing 67 people in DC

THE crew of the Black Hawk helicopter involved in the deadly DC air crash with a passenger plane made two key mistakes in the final seconds, a new report shows.

All 67 people onboard the two aircraft died when the American Airlines plane smashed into the chopper, which was in its flight path.

EPAThe wreckage of the American Airlines plane is pulled from the Potomac River in Washington DC[/caption] CBS/Samantha BrownRebecca Lobach, right, was flying the helicopter at the time...