the best world experts in on this. the details about the flight route we're getting, chinese, malaysian families of passengers on board haven't yet difficult kbesed that and commented on it fredricka. >> nick thanks from kuala lumpur. as we just told you british ship "hms echo" are expected to arrive at the site where they detected under water pulse, designed for amphibious operations. the ship on the sea floor provides realtime environmental operation. take a look at the image of the sea floor, generated from one of echo's past missions. the detail gives you an idea of the capability of the high-tech ship. most important in the search for flight 370, the echo has sophisticated sound locating equipment. it can play a pivotal role whether it's coming from 370