The last major collision of a commercial U.S. airline dates back to 2009, when a Colgan Air incident left 50 dead near Buffalo, New York. Federal regulators tightened safety requirements following the crash, including bolstering aircraft carrier inspection requirements and pilot training hours.

While landing at Ronald Reagan Washington National Airport in Washington, D.C., on Wednesday shortly before 9 p.m., American Airlines Flight 5342 collided with an Army Black Hawk helicopter and crashed into the icy Potomac River.

A regional American Airlines passenger jet and a Black Hawk military helicopter collided over Washington, D.C., on Wednesday night in the nation's first major commercial airline crash since 2009. There are confirmed fatalities from the collision,

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American Airlines said the jet had 60 passengers and four crew members, while the Pentagon confirmed that three soldiers were aboard the helicopter. There was no immediate word on fatalities.

The collision between an American Airlines Group Inc. regional jet and a military helicopter near Ronald Reagan airport in Washington left no survivors on board the two aircraft, authorities said,

The CRJ700 regional jet carrying 60 passengers and four crew had come in from Wichita, Kansas, when it hit the Sikorsky H-60 Black Hawk helicopter with three military

Robert Isom provided an update after an Army Black Hawk collided with an AA plane coming in for a landing at Ronald Reagan Washington National Airport. (Credit: American Airlines)