three miles deep where bluefin sonar scanner is deep in the water, deep in who what is expected to be the first day on the job. as you know yesterday s mission was aborted after six hours. today s dive is expected to go around the clock. there are new developments on that front, new developments, as well, with that oily substance recovered from the ocean surface and a tracking system for planes that s being rolled out over the next six years that may have changed everything that happened to flight 370. the question is why six years from now will it be rolled out? what is taking so long. first michael holmes in perth on today s efforts. what s the latest, michael. reporter: anderson, good morning if from perth. the bluefin-21 down doing its work at the moment. by our calculations it is almost half way through the ocean floor segment of that as we know it takes two hours to get down and 16 hours on the bottom and two hours to get up and then they download the data. planes and ships out
up your game. up the ante. and if you stumble, you get back up. up isn t easy, and we ought to know. we re in the business of up. everyday delta flies a quarter of million people while investing billions improving everything from booking to baggage claim. we re raising the bar on flying and tomorrow we will up it yet again. dominique wilkins, are taking charge of their type 2 diabetes with non-insulin victoza. for a while, i took a pill to lower my blood sugar, but it didn t get me to my goal. so i asked my doctor about victoza. he said victoza works differently than pills, and comes in a pen. and the needle is thin. victoza is an injectable prescription medicine
up isn t easy, and we ought to know. we re in the business of up. everyday delta flies a quarter of million people while investing billions improving everything from booking to baggage claim. we re raising the bar on flying and tomorrow we will up it yet again.
and we re seeing enormous emotion understandably from the families who have lost children and family members in this tragedy which seems to be expanding in scope as the hours pass. it is really unbelievable. we remain as optimistic as possible. thank you very much. coming up this hour, we re going to go through the possible scenarios that could have caused this ship to sink in the first place. back to our top story though, the search for the missing malaysian plane next. the bluefin sub is under the ocean using sonar to find any sign of that plane. ahead, we ll give you a live demonstration. peoi go to angie s listt for all kinds of reasons. to gauge whether or not the projects will be done in a timely fashion and within budget. angie s list members can tell you which provider is the best in town. you ll find reviews on everything from home repair to healthcare. now that we re expecting, i like the fact i can go onto angie s list and look for pediatricians.
that s the bow of the titanic here. it broke in half. this is the stern of the titanic. six football fields away. all of this is a debris field. this is the kind of thing when you look at an aircraft on the bottom, all of these things are everything from pieces of pottery and lights. all of this. all of these speckles and bigger pieces inside of here. so the titanic had a wide debris field. stern especially. the bow not so much. the titanic had a huge debris field associated with it. zooming in on the bow. it shows how powerful sonar can be. incredible. this is one pass along the bow and this is the pointy end where jack was the king of the world, the mast, the openings here. you can get this from one pass. one pass, yep. and sometimes we go over it two or three times to make sure we don t miss anything. what vehicle took this.