Transcripts for CNN CNN Newsroom 20140407 00:33:00 : vimarsa

on. we use these hydrophones to tag sharks or turtles and we run around with tenders and operations to track them for sciences. so the tools they are using, obviously they can use them too but i think they have more sophistication. i think the end of the story will be when we hear the next ping, especially in the same area the chinese claim they heard it. that will bring everybody together. and i think it will be more unified and everybody will be in the same direction and they ll be more believability by everybody and i think that is really what everybody is hoping for. our panel is sticking around. last hour we made some pinger sounds that the search crews are listening for. we ll hear them again. meantime, air speed. the. a fuel and whether or not there was an experienced pilot at the helm. questions investigators are desperate to know. (dad) well, we ve been thinking about it and we re just not sure.