Wednesday's crash involving an American Airlines flight and Black Hawk helicopter marked the first commercial crash on U.S.

based Colgan Air, plane burns after it crashed into a house in Clarence Center, N.Y. AP Photo/David Duprey, File There have been other deadly incidents in the U.S., such as the Asiana runway crash at ...

There have been other deadly incidents in the U.S., such as the Asiana runway crash at San Francisco International Airport in 2013. Three people died when Flight 214 came in to the airport too low ...

based Colgan Air, plane burns after it crashed into a house in Clarence Center, N.Y. AP Photo/David Duprey, File There have been other deadly incidents in the U.S., such as the Asiana runway crash ...

when Colgan Air Flight 3407 crashed during landing near Buffalo Niagara International Airport, killing all 49 people onboard. There have been other deadly incidents in the U.S., such as the Asiana ...

A small American Airlines jet collided with a Sikorsky H-60 military helicopter on approach to Reagan Washington National Airport and crashed in to the Potomac River on Wednesday night.