Constant Searching News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Remember? that's pretty interesting. mary, the official signal picked up on saturday lasted two hours 20 minutes. the two most recent lasted five and a half minutes and seven minutes as well. it appears to be weakening. how bad is that for searchers. >> it's bad because we still have a lot of area to search. by the time you calculate that swath, it's really a long, long spell or it can be unless they get lucky. once the battery dies, they're left with that, what, 36 square mile path on the ocean floor, mow the ocean floor with those submersible inside sonar. we're looking at weeks or months of...

Mile path on the ocean floor to search back and forth, mow the ocean floor with the immersibles and side scan sonars. if the batteries die it is unfortunate because we are looking at weeks or months of constant searching. >> even with the smaller search area, right? >> even with the smaller search area. with the larger search area, i don't like to be not optimist ic but with the larger search area without the pings it would be impossible. impossible put down the sonar until they narrowed it down to what we got. >> hold on a minute because i have a question for martin savidge. martin, searches ...