families want to know what happened to their loved ones, if and when those black boxes are found in the bottom of the indian ocean, their worst fear will be confirmed. and speaking of the black boxes, australian prime minister tony abbott in china today to update china s president on the search for flight 370 but it s abbott s tone about how things are progressing that s receiving a lot of attention. forget cautious optimism. australian prime minister tony abbott is oozing confidence. we have very much narrowed down the search area and we are very confident that the signals that we are detecting are from the black box on mh-370. we are confident that we know the position of the black box flight recorder to within some kilometers. reporter: his tone stronger and more upbeat compared to the careful wording two days ago from the man coordinating the search. i think that we re looking in
well, it s rov, remote operating vehicle. it s tethered from the ship and has its own power source. that power is fed through an umbilical or cable that runs the whole depth that it is operating. it has copper and fiber optic for data that feeds the machine and sends up the telemetry whether it be cameras or sonar or whatever the payload is installed. how do they extract that data from the black boxes? how long does it take? in today s world it doesn t take that long the the most time consuming part is taking it apart to make sure the circuits are not damaged and that it doesn t dry out in certain places if it has salt water in that area, it can crystallized and cause damage to the components. miles, there s been a lot of talk about how different the investigation would be if britain or the u.s. were leading in the first place. there are rules to determine which country leads the
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complexity. now, annex 13 says that the court or the airline is responsible when there s multinations involved, that the airline is responsible to pay for the damage to the passengers and families. but, again, there has to be a proof of loss. so we re still waiting for that proof of loss. tim, they seem to be ruling out the fifth ping as coming from the black box beacon. so now we re back to the square where we had four pings i can approximated up days ago. how realistic is it that you think they will pick up more pings now that they ve had resources in the area for a while now? well, it s not looking great but they have to give it a few more days here. if i was running this operation, i would exhaust the potential for getting pings because i think we talked about it yesterday, that these aevs and rovs can be working forever after this. they are not predicated