It's one of the most important pieces of forensic evidence following a plane ... If a black box has been submerged in seawater, technicians will keep them submerged in fresh water to wash away ...

All aboard both aircraft are feared dead ... What happens when a black box is recovered from water? If a black box is recovered from the water, it is immersed in fresh, clean water to prevent ...

The police said five people had survived the crash off Roatán, an island tourist destination. Among the dead was Aurelio ...