Apr 4, 2014 5:29 AM by Chelsea DeCesare
PERTH, Australia (AP) - Crews searching for the missing Malaysia Airlines jetliner have started their underwater search for the plane's black boxes.
The plane's data recorders emit a ping that searchers are hoping a U.S. Navy ping locator will pick up.
But in just a few days, the battery-operated data recorders are expected to stop transmitting those pings.
8 hours ago