Page 2 - Sonar Expert News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Things that an experienced and professional pilot would do. later in the show, i'll talk about crisis management expert lanny davis who is possibly advising the malaysian government on advising them. we have cnn analyst peter goles. we have greg stone, scientist at conservation international. we have lieutenant colonel michael kay joining us. a retired british military officer and richard quest is host of "quest means business." we have arnold karr joining us. he is a sonar expert. gentlemen, i'm paying close attention and you are the experts. let me begin by telling you what i see. i see a ci...

Oceans. richard quest is a cnn aviation correspondent and arnold carr joins us. how can they be sure the sound is from a pinger, greg? >> we clearly need more information. i would like to see what kind of hydrophone which is the instrument you hear these things on. an underwater microphone. see which type of hydrophone they are using. a readout and our sonar expert here is probably better equipped to actually look at that. you have to keep in mind there is a lot of sources, potential sources, in the world's oceans for the frequency range. especially if it was heard once. i spent a lot of time ...

Oceangraphic gear. we use gear all the time. those are some of the things that come to my mind. again, those could be canceled out if we had more information. >> let me ask arnold carr, you are our sonar expert. what might be triggering this if not the black box? >> it could well be something ship board. a depth sounder. especially longer range, you need a lower frequency that could be down to about 50 kilohertz, which would be within the range of what that hydrophone or device they are using receives. it could just interfere with that signal. the other thing as was just previously said, fishe...