The NTSB investigation into last week’s midair collision on the Potomac River will include examining the wreckage of the American Airlines plane crews spent days recovering.As of Thursday afternoon, crews completed the removal of all major components of the American Airlines regional jet and U.

The NTSB noted that it had obtained new information that indicated that the ATC saw the Black Hawk UH-60's altitude as 300 feet.

American Airlines CEO Robert Isom said the National Transportation Safety Board, which is investigating the deadly midair collision between an American passenger jet and a military helicopter, will be the lone authority on the cause and details of the crash.