WASHINGTON – Central Wisconsin's Sean Duffy is facing his first big test as secretary of the Department of Transportation just one day after he was sworn into office. A commercial jet carrying 64 people collided in midair with an Army helicopter carrying three servicemembers Wednesday night near Washington,

Transportation Secretary Sean Duffy told reporters that the flight patterns of both the American Airlines jet and blackhawk military aircraft that crashed late Wednesday were not "unusual."

Search and rescue efforts are ongoing after an American Airlines jet carrying 64 people collided with a military Black Hawk helicopter Wednesday night. Keith Mackey, a retired pilot, discusses factors that may have led to the aircraft colliding.

Transportation Secretary Sean Duffy gives an update on the investigation into a deadly plane crash involving an American Airlines jet in Washington, D.C.