Page 4 - Second Ping News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Perth, australia, and is following the latest developments. what is the latest, miguel? >> reporter: the latest is that the bluefin is down for its latest dive. we'll get a readout on that dive in about four or five hours as it typically happens. as it goes through the last bit of the promising area, if they can't find it there, they will have to go back to the drawing board and figure out a new plan. new pictures show bluefin-21 on the deck of "ocean shield," the best hope for finding missing malaysia flight 370. it's prepped for another dive. the vessel has searched t two-thirds of the most ...

It's far from the only place they've spent time searching. we've shown you this. the search area in the indian ocean searching on a daily basis. authorities started searching march 18th, absolutely nothing anywhere. miguel perez is in perth tonight. miguel, what are officials telling you what they are going to do if we find out they saw nothing again, what are they going to do? >> reporter: well, they are going to reassess exactly what they are doing here. that ninth mission, it's 115 square miles, ten-kilometer radius circle they are searching right now. the best hopes around that second ping...

Mclaughlin. she is in perth, australia, this morning. 70% covered now but still hopeful about this final 30%. >> reporter: that's right, victor. this is an absolutely critical stage of this search effort. why? because they believe that this area is the most likely place where they're going to find the black box. that's based on an albeit limited set of information, namely, that second ping that was detected on april 8th. the signal lasted some 13 minutes, but it was the strongest of the four signals that were detected by an american-operated towed pinger locator. and what they're doing or what...

Is the most likely place that they will find the black box based on the very limited information they have. namely, they're really focusing in on the second ping that was detected on april 8th, a ping that lasted some 13 minutes. it was the strongest of the four signals picked up by the american-operated towed pinger locator. and what they're doing right now is searching a 6-mile radius around the point of that detection. and as you've said, they're two-thirds of the way through so far, and australian officials saying it will take another few days or so to complete that search. if at that poin...

>> so, here is the bottom line -- if the blue fin 21 comes up empty next week, it will be time for all search crews hunting for flight 370 to stop, regroup and reconsider the whole search operation may need a reboot at that stage. so, i want to bring in aaron mclaughlin who is at the search base in perth, australia. as we hear this news, is it good news, is it that they have greatgreat er confidence that they are close to finding it or if they don't find it in the next week or so they're looking in the wrong place? >> reporter: hi, jim, as far as we know there's no new information or data that...