The new detail retreived from the black box suggests the Army helicopter was flying above 200 feet (61 meters), the maximum altitude for the route it was using.
Preliminary data from crash between an airliner and an Army helicopter show conflicting indications on the aircrafts' altitudes as they collided, officials say.
The collision in DC involving American Airlines Flight 5342 and an Army Black Hawk helicopter Wednesday has created flight delays for travelers out of Washington DC.