The future of the black box flight recorder explored

The future of the black box flight recorder explored: "They were guarded by silent corpses, the passengers and crew of an Airbus A330 that plummeted to the bottom of the Atlantic in June 2009. For nearly two years, the boxes -- not black, actually, but bright orange -- had lain amid some of the most rugged undersea terrain in the world, 3,500-metre-high mountains rising from the ocean floor, covered with landslides and steep scarps."