Photos: Retrieving data from the cockpit

A cutaway view of the solid-state flight data recorder sold by L3 Communications.

Black boxes recovered from an accident in New Jersey involving a corporate jet earlier this year.

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.

The cockpit voice recorder and flight data recorder from American Connection flight 5966, which crashed in 2004, after being opened to access the recordings.