Sonar Scan News Today

>> back now with breaking news flight 8501 found at the bottom of the java sea. back with me now, mary sciavo jeff wise. want to get your reaction. havent spoke tine you much this evening. what is your reaction to this new information about the plane being found or located on sonar? >> it happened so quickly. we were optimistically this would happen sooner or later. probably not this soon. normally what would happen you would find debris on the surface. and track back to the area where you would...

Approximately 44,000 people without power. mostly in moorhead city and some of the outlying islands as you go up the coast. hatteras island and others. we are seeing some beach erosion. there are shingles off some houses. we have some dock debris. my secretary of administration just called me, his dock was partially destroyed, but he feels good. he feels good. hes going to enjoy the fourth of july on atlantic beach today. we are seeing some artificial reef debris coming on several beaches, and w...

At least 12 people were taken to the hospital with various injuries. now thousands are without power. a state of emergency remains in effect until tomorrow morning. >> and a chicago suburb now reeling after a blast leveled a home and damaged several others. it happened late last night in long grove, illinois. several fire departments working overnight to contain the blaze and some residents were evacuated. a gas line shot out flames several feet into the air. thankfully no reports of any injurie...

Breaking news now on the hunt for flight 370. the bluefin-21 is wrapping up the sonar scan of the targeted search area. a dozen deep sea dives and no airliner. is the mission coming to an end? miguel marquez is joining us from perth, australia. what if the bluefin doesnt find anything? the search is almost over. how long before a wider search begins and is the bluefin immediately shipped out? >> reporter: bluefin will probably not be shipped out immediately. its not clear that they will end the ...

Theres been updates that pulled us into the location. and then theres be the discovery of the pings and then the fight against the time line of the batteries going dead. i think that was a critical part of the investigation as well. so yes, this is another critical part of the investigation. and there will be other critical parts of the investigation going forward. but i think the language that the deputy used is not helpful in terms of the way that hes sort of zoned in on this critical aspect. ...

In terms of the way that hes sort of zoned in on this critical aspect. 24rr a number of critical aspects to this investigation, and we should be setting ourselves for the long haul. >> yeah, certainly. and i think a lot of people are drawing comparisons with that air france flight. david, to you. the oceans obviously are gigantic. theyre massive. but i think a lot of people were surprised to learn that this is an area that really has not been mapped. we know some of it has been because of the so...

Absolutely exhausted every single piece of it. thats the subsurface. the above surface is different. the maritime surveillance aircraft. >> looking for floating wreckage. >> looking for floating wreckage. they cannot equivocally tie the two together unless he gets some sort of wreckage. they are limitations not only human factors but there are also limitations on the engineering of the aircraft and how long they can supply for on various levels of servicing that have to be achieved the longer th...

We have -- they look like pings as far as all of the different -- >> but that is to where they are now. the question if they have done the sonar scan after searching that area that they have now and we havent found anything how much do they have to move that search area based on that ping information? >> well, they would have to go around the perimeter of where they have been searching and see whether there is anything -- anything there. not go to an entirely different area. one that is containe...

About right now is the bluefin-21, covers about 40 square kilometers a day. thats limited by the swath, the width of the sonar scan and the speed at which the vehicle flies above the sea bed. if you start to do some of the math and you look at the area around that 17-mile ping location dimensions they talked about last week, youre looking at 30 to 60 days of survey time. so you start to think youre in here for the long haul. they have to look at whether theyre searching at the right spot. there ...

Have run at this point, does that sound like a possibility to you, it would explain why they heard pings but not found any floating wreckage despite flying planes, searching for a number of weeks now? >> sure. thats a possibility. then remember, too, in the sullen burger styles landing on the hudson, there were various boats and other ships in the vicinity. they got lines on that plane in a hurry to keep it from sinking. not only did they make a landing there they had help. if it did make a land...