Nearly two months after American Airlines flight 5342 collided with a helicopter, leading to 67 fatalities, the National Transportation Safety Board has provided an update on the investigation.

Investigators will offer updates Tuesday in the probe into the devastating crash between an American Airlines plane and a U.S. Army Black Hawk helicopter that killed all 67 people on board both aircraft.

It has been six weeks since 67 people died in a collision between an American Airlines flight and a U.S. Army Blackhawk helicopter in Washington, D.C.