It's one of the most important pieces of forensic evidence following a plane crash ... For example, black boxes of an Air France flight that crashed in the Atlantic Ocean in 2009 were found ...

In 1982, an Air Florida flight crashed into the Potomac and killed 78. The deadliest recent crash was on Feb. 12, 2009 when a Colgan Air plane crashed ... its way to Paris, France.

Here are some of the deadliest commercial plane crashes in the U.S. since the Air ... Airlines flight crashed in the Atlantic Ocean near East Moriches, New York, on its way to Paris, France.

It's one of the most important pieces of forensic evidence following a plane crash ... For example, black boxes of an Air France flight that crashed in the Atlantic Ocean in 2009 were found ...