Photos: Retrieving data from the cockpit
L3 Communications flight data recorder
A cutaway view of the solid-state flight data recorder sold by L3 Communications.
New Jersey black boxes
Black boxes recovered from an accident in New Jersey involving a corporate jet earlier this year.
Flight 261 data recorder
Representatives from the National Transportation Safety Board and Alaska Airlines prepare the flight data recorder from Flight 261 after it was recovered by a Navy submersible in 2000.
Flight 5966 cockpit recorder
The cockpit voice recorder and flight data recorder from American Connection flight 5966, which crashed in 2004, after being opened to access the recordings.