19 小时之前 · The so-called “black box” is one of the most important pieces of forensic evidence following a plane crash. There are actually two of these remarkably sturdy devices.

1 天前 · When will we know what the black boxes say? Federal investigators recovered black boxes from American Airlines flight 5342 and the Black Hawk helicopter to help determine …

1 天前 · Here's what to know: What is a black box? A black box is a flight data recorder that collects information on communications involving pilots in cockpits and how the aircraft …

1 天前 · Investigators in the United States have located the black boxes from the American Airlines jet that crashed into a US Army helicopter near Washington, DC, killing all 67 people …

17 小时之前 · What are black boxes? The cockpit voice recorder and the flight data recorder are tools that help investigators reconstruct the events that lead up to a plane crash.

1 天前 · Investigators found the recording devices, or black boxes, from the American Airlines plane and Black Hawk helicopter that crashed on Wednesday.

17 小时之前 · Latest news and live updates after a Black Hawk helicopter collided with an American Airlines jet over the Potomac River this week, killing 67 people.

2 天之前 · An American Airlines plane collided with a military helicopter over the Potomac River near Washington, D.C., on Wednesday, killing 67 people. It was the deadliest air disaster in …

2 天之前 · An American Airlines regional passenger jet with 64 people on board and a US Army Black Hawk helicopter with three soldiers collided and crashed into the Potomac River.

1 天前 · DC plane crash investigators recover American Airlines black boxes after midair collision The National Transportation Safety Board says it has recovered a cockpit voice recorder and …