of this journey is certainly going to be the hardest. that s how deep, give or take, the ocean is where those pings are being picked up. and tracing them back takes a whole lot of know-how and probably a pretty serious amount of luck as well. i m joined now by cnn s meteorologist chad myers in atlanta and from boston the vp and general manager of the company that makes and designs undersea communications gear, including the pingers and also the pinger detectors. chad, i want to start with you. will ripley was telling us about what we have. we have four hit zones but they re 17 miles apart and they seem to me, you know, the neophyte in this game, to be a very strange pattern. can you help us make sense why they would be so disparate and in such a strange shape? we assume, you know, just from the lay person, we look at the pinger, we think it s going to ping just like a bell. it s going in every direction. that may not be the case because
a british navy ship called hms echo is now in the area where the chinese ship detected two audio signals. the echo is equipped with a state-of-the-art sonar that can map the ocean floor. as you know, two pinger detectors picked up sound within 350 nautical miles of ooch other. the hmo heck co-in the general vicinity of where the chinese patrol ship detected the pinging sounds on friday and saturday. the goal is to try to find that sound again and either confirm or rule out that it is from the black boxes belonging to flight 370. now, keep in mind this area is different from where the australian ship, the ocean shield detected pinging sounds on two separate occasions. the first one for two hours, the
different area, about 300 miles away. officials cannot confirm anything that has been heard over the last 48 hours is connected to this plane. want to dig into what this latest information can actually mean for the search. i m joined now by expeditions logistics specialists christine dennison. cnn s michael kay. and thomas alshiler, telemanager of bp design systems which designs and builds the black box pingers and also the pinger detectors. perhaps you can tell me what the job is now. now that we ve had these two very promising detections, marchly from the ocean shield, because it seems to be the longest, the two-hour ping followed by the 15-minute ping that had the echo. what s the job now for the ocean shield? what are they trying to do? they re trying to do kind of cover the area and narrow where they thing the ping s coming from. they need to shrink the box they re going to look in when they put the vehicle down.
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possible pings, were detected by the ocean shield s equipment. guess what, there was no debris anywhere, so there s still a lot of unanswered questions. and until you actually can locate something tangible, you have no confirmation this is connected to flight 370. promising, yes, but tempered optimism is a great way to put it. will ripley putting in some great hours for us in perth, australia, thank you for that. i m joined live here in new york by two men with deep expertise in the underwater aspect of this sherif search. a firm that designs and builds advanced underwater communications gear including black box pingers and also the pinger detectors it david kelly is the president and ceo of bluefin robotics whose underwater robot is effectively standing by ready to map the ocean floor whenever the search teams are confident they have found the spot. so effectively it moves from your gear, at least one part of