Investigators issued their preliminary report Tuesday in the probe into the devastating crash between an American Airlines plane and a U.S. Army Black Hawk helicopter.

NTSB gives update on January plane and helicopter crash near D.C. Watch live as the National Transport Safety Board (NTSB) gives an update on the collision between an American Airlines passenger jet and an Army helicopter as the plane prepared to land at Ronald Reagan National Airport in Washington,

The National Transportation Safety Board issues recommendations to Reagan National Airport nearly a month after a military helicopter flew into an American Airlines jet there, killing 67 people.