P Pingers News Today

But why the plane would have done that still a mystery. and a british ship with advanced equipment just arrived in an area where a chinese ship detected signals. our panel joining me again now. all right know the batteries on the planes black boxes are probably close to running out if they havent already. how much urgency is there to find something sooner? i wonder if without these p pingers can you really rlocate plane wreckage under water? >> it is very strong. i would expect there would be la...