Cockpit voice recorder

Investigators trying to solve the mystery of what happened to Malaysia Airlines’ Flight 370 are hoping to locate one particular vital clue — the plane’s flight data and cockpit voice recorders, commonly referred to as “black boxes.” But airlines’ continued use of the aging technology brings up questions of its own.Investigators trying to solve the mystery of what happened to Malaysia Airlines’ Flight 370 are hoping to locate one particular vital clue — the plane’s flight data and cockpit voice recorders, commonly referred to as “black boxes.” But airlines’ continued use of the aging technology brings up questions of its own.