No new electronic pings have been heard since April 8, and the batteries powering the locator beacons on the jet's black box recorders may already be dead. They only last about a month, and that window has passed. Once officials are confident no more sounds will be heard, a robotic submersible will be sent down.
Despite having no new pings to go on, crews are continuing their search Sunday for debris and any sounds that could still be emanating. They're desperately trying to pinpoint where the Boeing 777 could be amid an enormous patch of Deep Ocean.
No new electronic pings have been heard since April 8, and the batteries powering the locator beacons on the jet's black box recorders may already be dead. They only last about a month, and that window has passed. Once officials are confident no more sounds will be heard, a robotic submersible will be sent down.
