to do and they believe it and go do it. >> a budget, delayed gratification, who knew. rachel cruze, dave ramsey. smart money, smart kids. that's it for us tonight. cnn special report mystery of flight 370 with don lemon answering all of your questions starts right now. see you tomorrow. this is a cnn special report. i'm don lemon. i'd like to welcome our viewers in the united states and around the world. we have breaking news in the search for flight 370. the tenth bluefin-21 mission almost complete, and 80% of the search zone has been scanned. so is the plane somewhere in the remaining 20% of the area f. it's not, what's next in the search? plus, mother nature not cooperating with the searchers. more extreme weather in the form of heavy rains, winds and giant swells that could delay the ten military aircraft and 12 ships ready to continue that search.

plus, the latest in a miraculous survival story. the 15-year-old stowaway who smuggled himself in the landing gear compartment of a commercial jet. his illegal trip from california to hawaii raises questions of airline security and your safety. you have been tweeting us your flight 370 questions and we have top aviation and security experts standing by to answer them for you. like this great question, why didn't they initially choose something more advanced than the bluefin like the orion or the curv? i want to begin with our correspondent in the region michael holmes who's in perth. hello, michael. 80% of the underground search area covered. no contacts of interest how are they feel ing about the remaining 20%. >> it has to daunt confidence. search organizers have been telling us this focused area was

their best shot. mission number ten done now and the focused area, as you point out is 80% covered, still nothing found. no sign of mh-370. no word on data results from the previous mission but the previous nine have turned out nothing. they could look to expanding if they find nothing in the next 20% of the area. that's looking at underwater scanning vehicles. the search, everyone says, is not over and will not end anytime soon, don. >> i want to show about your experience. you had the opportunity to visit the laboratory where the black box from mh-370 would independent up if they find it. what did you find out there. >> it was interesting, we went to visit the laboratory. only a handful of countries in the world, a half dozen or so, are equipped to decode the mountain of information that's

in a data recorder. there's up to 2,000 separate strands of information in one of those things. one of those places it can do it is in the australian capital. the investigators are confident they could pull off information. we saw a bunch of damaged recorder and cockpit voice recorders, as well. they have pretty much always risen to the challenge and got the information off. they have done many black box investigation. they are not just planes, don but also trains and believe it or not, ships, they have black boxes, as well. one side bar fact i have to say, as an australian, it was david warren, an australian who was credited with the first version of the black box in the 1950s. >> even modern cars have their own version is of black boxes and data recorders. i appreciate that. jeff wise, the author of

"extreme fear: the science of your mind in danger." mary schavio, lieutenant colonel michael kay, a retired military pilot with the british royal air force. jim tilmon, david soucie author of "why planes crash." arthur rosenberg and geoffrey thomas editor and chief of airlineratings.com. this is the original group we assembled eight weeks ago and you are back here with us. thank you for joining us. we will start with you, jim. some families have been questioning whether searchers are looking in the right place. you share their skepticism, don't you? tell me why you think they may need to go back to the drawing board, jim. >> i never got assurance there was a strong scientific reason for taking the approach we are taking. i don't know what was the thinking involved when the

decision was let's go south and ignore anything to the north. i don't think the idea of ignoring any part of a search like this because we don't know very much. it's one of these things that came up last week when someone made the statement we don't know anything. we suppose a lot. we have a lot of assumptions. we need to know something. i'm with the family on that. tell me something i can count on to be real. >> one of the family members on this show raised that possibility last night. david, do the results so far in the search or lack thereof justify the confidence officials have that they are looking in the right area? >> i think the confidence comes from the fact that the pinging went on. i have looked at the spectral analysis of those pings and i'm convinced it's from a black box. we don't know anything as jim pointed out and in any other situation i would say i know that but i don't in this

situation because the information we are getting is so scattered but if we took on face value that would be the one thing we know that the pings are happening. where the aircraft is related to those pings it could be a larger area than they are searching. i'm confident we are looking in the right place. >> right general area. jeff wise, experts say they are looking in the highest probability area. ten kilometer radius around the second ping signal, the ping detected for 13 minutes. could it be in this area and they are just not finding it you think? >> well, it was the highest probability area in their estimation. it no longer is the highest probability. now as you said we have 20% more to go. once that has been searched, i think it's time to reassess. the tow ping er locater does not have an infinite range. these things are only capability according to the specs released

by the u.s. navy of a nautical mile. so it's a fairly compact area. they are obviously searching a much larger area than the area immediately around where the ping was located. i think by the time they search the entire search area, we can safely say it's not there. >> geoffrey thomas in perth. you bring new information every evening. you have information on what may happen when the bluefin finishes searching the last search area. what can you tell us of how the underwater search will proceed. >> we have a sense of what they are going to do after the last 20% is possibly go to the area where the first ping was heard, that's ping number one. i don't think they will go to ping three and four. they will go possibly to number one and do the same thing again there. do a ten-kilometer, six-mile radius of that.

also there's serious discussion about the orion, towed side scan sonar device which does everything in realtime. gives greater flexibility and can go to a much greatest depth, too. one of the issues is the area they are searching at the moment is like a plateau, 4.5 thousand meters deep and then it drops to 6,000 miles deep. they need to get more or better assets if the search is to be widened considerably. >> let's talk about the big picture or the long haul so to speak, mary. we know malaysian and australian authorities are mapping out a long term search focusing on the debris is handled, widening search. does it sound to you they are preparing to settle in for the long haul here? >> yeah, i think it does. it shows -- it's wise they are getting a plan, they are getting an agreement in place.

better to get an agreement up front than later on. they have clear lines of responsibility. i think it will go -- of course, it will be hard to get any credibility with the families for the malaysians but it will go a long ways to help restore the faith in the investigation if they have this clear agreement as to who's going to do what. particularly with the recovery of wreckage and remains. that's going to be extremely important. this agreement will help to keep things sane and manage a very, very sad and terrible situation. >> arthur rosenberg, you are an attorney here. who should handle the debris and remains if they are eventually found? >> that's going to be worked out between malaysia and australia. for my dime the, the australians are competent and sophisticated and have technical expertise to handle that. under malaysia, leads the investigation but i give them

poor grades for just about everything they have done thus far, particularly with the handling of the families. i go with australia to handle the technical side, the human remains side, the analysis of the black boxes and so forth. >> michael kay, i have a question to you about the inmarsat data. we learned that they are studying the data for any new clues. why won't they open it to the general public to analyze? >> i think, don, because the analysis is inconclusive. it has never been done before and you have intelligent brains working on it and they are learning as the days, weeks and months go by. if i was working on inmarsat i would want to keep it close hold because i would want to make sure it is in the right hands and affected upon as per what they were saying. what i would say there are more

bits of this investigation, more concrete than others. the inmarsat is relatively concrete compared to the assumptions on what height the aircraft traveled at and what speed the aircraft traveled at. back to the question of where do we go next we have to focus on the arc. that's what inmarsat gives us. and the height and speed is where the inaccuracy is occurring. >> coming up much more on the search for flight 370. why we may have crossed a legal milestone that could possibly help the families and new developments on the 15-year-old stowaway who was able to hitch the ride in a wheel well of a passenger jet. one congressman wants the government to take a look at security at airports nationwide. we're going to have that for you next. in pursuit of all things awesome, amazing,

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the 15-year-old boy who smuggled himself in the wheel well of a passenger jet said he was trying to reach his mother in somalia. he scaled it and survived the five-hour journey at high altitude and freezing cold. he's lucky to be alive. others are asking how a huge security breach could happen in the first place. joining us is u.s. congressman eric swalwell a member of the house committee on homeland security. this is an unbelievable story, congressman. >> remarkable story. thank heavens he's alive. it does raise major security questions about our airport perimeter security and what more can we do to protect our perimeters so they are not breached like this. >> let me give you more of the back story and we can talk more. we learned today the teen that stowed away on the flight,

hopped the airport fence shortly after 1:00 p.m. on sunday and the plane took off at 7:55 a.m. how concerned are you that an a person can be undetected on the tarmac, access to the plane, whatever for almost seven hours? >> we should know as soon as he is coming over the fence. for him to be able to rome at will around the airport, the runway, the gate area and for no one to see him, that's a problem. i'm calling on the tsa to do a nationwide assessment of our airports. this is the fourth security breach in five years. we had the jet skier at jfk that wandered across two runways. there's a car that crashed through the gates in philadelphia. for the traveling public to have confidence in air safety, we need to make sure these perimeters are guarded, at least with upgraded security measures. >> okay. let's talk in specifics here. because you are calling for an investigation of airport

perimeter security. what specifically would you like to see done? >> well, first i'd like to know our vulnerabilities. we haven't taken a diagnostic of our nation's airports. these airports, don, they are bigger than some -- than many small towns, over 1,000 acres in many cases and it's impossible to guard against 100% of the threats. i think we owe it to passengers to look at what new technologies are out there that we could employ to make sure that when we get on a plane only ticketed, screened passengers are on that flight. >> if a person is able, congressman, to climb in the wheel well of a plane, you have to think there's nothing to prevent someone from putting something else, some contraband or god forbid even a bomb on the plane. >> that's what is so troubling. we are fortunate the past incidents, passenger safety was not affected. but you can only imagine what a determined person could do. that's why i think let's take a look at all of our airports,

focus on the ones that have the greatest vulnerabilities and step it up and bring in to the 21st century some of the technology we use to the alert airport officials when people have breached perimeter security. >> when people go to the airport, the contact they have with security is usually the tsa. so let's talk about the tsa' role here. largely the security inside of the airport building, the check point security, local airport police handle the perimeter. who do you think is at fault here? >> the tsa is responsible for airport security. they work with local law enforcement. what i believe we need to do is not just have high-quality security at where the employees go through or where the passengers go through but these large perimeters. as i said, at san jose airport, you could fit almost 800 football fields in the area that covers. you can't put a person at every ten feet to watch it. but with surveillance cameras, upgraded technologies that are

out there, we owe it to people to look at whether this could have prevented this because we can't afford for somebody to walk in to one of these airports who does want to bring harm to passengers or an airliner. >> it is important, what you are trying to do, so keep us updated. thank you, congressman, appreciate it. >> thank you, don. i want to bring in my panel of experts and start with david. we just learned what congressman swalwell. do all airports need to take a second look at their security measures? >> there's actually within tsa a mechanism for doing that. they should be continuously improving the way they do security. i'm a little concerned they are not doing that as part of a measure, they have quality control as to whether it is operating the way it is intended to and a way to say is my quality control working. the fact it hasn't triggered something and takes a congressman to put the pressure

on is disappointing in my eyes. i feel there is complacency going on in the tsa at this point. >> jim, you are a pilot and les abend wrote an op-ed for cnn.com and said from a pilot's perspective said this is ridiculous. the said pilots are supposed to inspect the wheel well. would you overlook a wheel well? >> it would be easy to do. how many wheel wells do you look at in a course of a year and how careful are you to make sure there is no one could be in those as you look. of course i will right now, the attention is definitely going to be there. not going to have a chance -- why is it hard to do? >> it is not hard to do. it's just one more thing that you should be checking when you walk around. >> why is it hard to overlook, not spot a person in there.

>> you have seen today what it looks like when you are in one of those wheel wells and how you can get in to one corner and just sit there. you know, if you are not really careful as you analyze -- first you have to open the wheel well so you can see. and you have to be careful to look for everything. what happened today won't happen again for another, i don't know how many years because everybody's going to be very, very conscious now of any kind of stowaway situations. right now, we're really protected. >> they are putting themselves in danger. not really the plane. the instruments there are so strong and weigh thousands of pounds. you are really putting your own life in danger. mary schavio, surveillance footage shows the boy jumping the fence and walking across the ramp to the plane. is no one monitoring this in realtime? what's going on here? >> that's the question for not only the tsa but the airports

and the faa. you know, after september 11th, 2001, there were a lot of studies as to how can people stare at the screens and see nothing, even though there is something there. that's what happened what happens. people stare at the screens and in a short amount of time they don't see things happening on the screens. they zone out. that's why you are air traffic controllers. you switch off your screens every 15 to 30 minutes and switch around so you don't get complacency. but often in what we find in late nights, odd hours they are not manned and go off and do other things or simply zone out. that's a problem. you have to stay sharp, on your toes all the time. >> geoffrey thomas, the congressman wants to look in to securing the perimeter at u.s. airports. what about international airport? how secure are they against something like this? especially the perimeters. >> good question, don. of course it varies country to country. countries like australia, the

security is very good. in fact, i'd say it is excellent. united kingdom the same sort of thing, very good security and most european countries. but you get further and further away from those sorts of countries and in some jurisdictions, it would be very, very easy to scale a fence and get on board a airplane. interestingly enough, don, only a few weeks ago, we were talking on your show that with mh-370, was it a hijacker who smuggled on board the perpetrated the disappearance of mh-370. this raises another question mark. >> geoffrey thomas, thank you very much. in perth. everyone else stay with me. coming up the death toll continues to rise in the korean ferry disaster and later the families of flight 370 why they may have crossed a milestone. will it help them? you, my friend are a master of diversification.

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welcome back. an update on the korean ferry that sunk off of the coast of jindo, south korea. nine crew members have been arrested. that includes the captain who could be facing life in prison. all of this while search and recovery process is still going on. i want to bring in cnn's nic robertson in jindo. we learned more today about the final moments of the ferry. what do we know? >> well, one of the interesting details that emerged, don, is one of the students was one of

the first person to call the equivalent of 911 here. he called for three minutes before any of the crew aboard the sinking ship called the rescue call for help. this is one of the startling details that is emerging here. we are learning today more about the recovery effort. 150 bodies recovered according to to the coast guard here. the divers who were hoping to find many students inside the cafeteria say they have gone in the area and searched it and find any bodies there. they are trying to get to a meeting area on the third floor of the ship. they say most of the bodies they have found so far have been of the students inside of their cabins on the fourth level of the ship. so far, the right side of the ship, which is the one that is lying upper most in the water, ship on its side. they have cleared the right side and they are trying to get to the left side of the vessel.

so a lot more to clear but large parts of the third floor have been searched. >> it is awful. nic robertson in jindo, south korea. thank you, nic. 45 days have passed in the search for malaysian airlines flight 370. that timeframe may have legal significance for many of the families involved. jean casarez has more. >> reporter: from the air, on the water, the 45th day in the hunt for malaysia air flight 370 has come and gone. it's a somber milestone in the search as american attorneys can now approach family members without violating ethics rules. this 45-day rule. what is it? >> it is the similar amount of time in which an american lawyer has to wait before they can reach out to a family who's lost a loved one in a plane crash. >> reporter: aviation attorney daniel rose says families who

choose to file suit in american courts against u.s. aircraft manufacturer boeing may face difficulties. >> if we don't have the black box with all of the critical information on it or any part of the wreckage, it would be very hard, nearly impossible to maintain a claim against boeing in any court in the united states. >> reporter: without a viable lawsuit, families won't get access to crucial information. so families won't be able to get maintenance records from boeing, manufacturing records, nothing. >> that's probably true. >> reporter: malaysia air, on the other hand, may have the deck stacked against it. airline responsibility is determined by an international treaty, the montreal convention. the convention sets no cap on damages families can claim. the only way the airline can defend itself against paying out so much money is to prove that it is not responsible for whatever happened top flight 370. so malaysia air is really at a disadvantage. >> you can call it a

disadvantage or call it what the treaty was intended to do which was to allow a family member who was just sitting in seat 15-c, not doing anything wrong, have the benefit and rights their families are entitled to. >> reporter: but the money will never replace what they have lost. as a lawyer representing the families of victims, how do you really make them whole again? >> it's a great question. it's an incredibly complicated question. there's a limit to what a lawyer or legal system can do for a family. >> reporter: jean casarez, cnn. >> joining me is -- who worked with families of flight 447. hello. steven at this stage over a month and a half in to the search, would you recommend that family members start to retain attorneys? is there a benefit to them doing so?

maybe it is buffer between them and the people they are dealing with? >> for some families it makes them feel they have some power. they are frustrated and not getting answers. the families have been approached within days of the crash, those attorneys people should be suspect of. they need to find people who have handled these kind of cases in the past and they are not knocking on their door. in the 45-day period that you talked about under the family assistance act applies to crashes in the united states as to u.s. attorneys. there's some question as to whether it applies overseas. we know in this case there have been lawyers in china days of the crash trying to solicit cases which in the united states would be barred. instead of doing that, the attorneys who are contacted by the victims know what they are doing, can assist the families and i think there is a vehicle for getting information and answers in the united states

courts which are the best avenue for the truth and the documentation through our discovery process. >> the question is, steven, if families want to pursue a lawsuit, who do they have a case against? where will they have to pursue it? >> that is a complicated question. each passenger will have to look at their ticket. there are four factors that apply to every passenger. they are principal place of business, place of incorporation, the carrier, which is malaysia, third is contract of carriage, which is complicated because people buy tickets through brokers, internet, travel agents and it may have may give them options outside of malaysia and the final destination. if they were traveling on a round-trip ticket that took them from malaysia to the united states or from the united states through malaysia back to the united states, they would have jurisdiction in the u.s. and fifth is a recent amendment to

the convention which applies to citizenship. so if you are an american citizen, you get access to the american courts. i didn't answer the second part, who they can bring the claim against. the claim can be brought also against boeing, assuming there's some factual basis. i agree at this stage it is relatively difficult because we don't have the factual information. that could be brought easily in the united states and jurisdiction would be maintained by any passenger here. >> i want to get to dr. judy ho now. family members are struggling with officials now. can they have a lawyer now? will that help to navigate this process at all, or does it give them a sense of regaining control here? >> i agree with steven just told us. this is an empowering process. perhaps for the families that have had no control in this investigation. that's their interception. human minds have a difficult

time with the unknown. they still haven't had the proper narrative to piece this to bring this closure. the government has been trying to force closure via various ways. one thing they did earlier is saying they are concluding the investigation and thinking of issuing death certificates to keep things moving but the families haven't got the answers they need yet and they need better communication. the malaysian government has not followed through on their promise to do that. >> you mention the malaysian government and their plans of issuing death certificates for passengers of the missing flight 370. how difficult is it for family members to reconcile the loss of their loved ones. you said death is hard to deal with any way, the finality of it. but when there's no physical evidence of wreckage, does that make it worse? >> absolutely, don because

there's no body to bury. they cannot reconcile for themselves this has actually happened. until they do that they are not going to be able to deal with the guilt they are all experiencing because they don't want to give up on their families before it is time to. because we have not had significant pieces of evidence that would show the families have passed away and we have had all of these conflicting reports and conspiracy theories flying every. where the families are having a hard time dealing with all of this information and trying to understand that perhaps their family is gone and they need to move forward. i think it is so difficult. so many factors at play for these families. >> steven, what's the legal significance of having a death certificate? >> it isn't necessary in order bring a suit. in most jurisdictions you can prove the death through other evidence, the lack of the body. you can prove they were on a flight, the flight's gone missing, you don't need an official death certificate. usually you can petition a government and the governments

will usually cooperate. we have had many instances where we have been able to get the government to issue a death certificate or a legal requirement but in most jurisdictions it's not. >> thank you very much. we appreciate both of you. coming up the search zone, 80% of the search zone for night flight nearly complete. what could be the next move for searchers and the families of 370 passengers? ♪

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the tenth mission nearly complete. this means 80% of the search zone will have been scanned. what are the families of flight 370 do when and if the search turns up nothing? we will go to cnn's ivan watson in beijing. the malaysians who flew there for a meeting with the chinese families to answer their technical families but that didn't happen. why not? >> there have been a lot of reversals and last-minute changes of plan here, don. last week, the malaysians said we are going to, after the chinese families here requested many times some high-level technical delegation to inform them about the process of the investigation, answer a lot of detailed questions. the malaysians said we will bring the team and meet with you on monday. and the chinese families, 100 relatives sat in a packed conference room and a malaysian diplomate said we are having to change plans. the government decided it

wouldn't be appropriate right now to deal with those questions. we're going so send a different team to come and meet with you. that team has not showed up yet to meet with these chinese families. instead, it has triggered some pretty dramatic confrontations this week where i witnessed as the relatives of these passengers of the flight mh-370, they wept, they were begging the malaysian diplomate, they were cursing at him, hurling profanity at him. asking for some kind of answers and begging for a technical team to come. really dramatic heart-breaking and sometimes disturbing exchanges that on monday lasted more than two hours. now the chinese families say if some team comes they may not agree to meet with them. that gives you a sense of the nature of the relationship. >> dare i ask the relationship between the chinese family and malaysian officials at that point. it appears you have summed it up

but it is tense. >> it's one of the strangest things i have ever seen where there are daily briefings in this windowless conference rooms. mid-to-low level malaysian officials that come out who are clearly not authorized to answer detailed questions beyond a few talking points and then these desperate families who sit down and they start to kind of interrogate these people. it very quickly turns from kind of constructive questions and back and forth to really confrontational antagonistic stuff. they put these malaysian officials in front of these people and they become the target of real anger and frustrations of the chinese. it's a very, very unhealthy relationship. within the last 36 hours the malaysians just haven't bothered showing up. >> ivan watson, thank you very much. i want to turn to my panel of experts here.

arthur rosenberg, the families of flight 370, the passengers they have gotten few answers about what happened six weeks ago to their loved ones. can attorneys help with that right now, or will they be more concerned about lawsuits? >> an attorney's job is a little different than trying to get these people information. i actually thought about this a little bit today on how we can give these people the information which they so desperately need. this is what i came up with. the international civil aviation organization, icao, annex 13 and their general responsibilities for safety impose certain obligations on the malaysian aviation authorities. also icao -- someone has to get ahold of malaysian officials and let them know that the job they are doing and the information they are dispatching to these people is inadequate. these people have been suffering long enough.

they are entitled to answers. things as simple as the air traffic control transcript, the tapes, some maintenance records on the plane, the general rule being if there was information that was disposable before the crash it is fair game after the crash. it is really a whole host of things these people are entitled to. >> mary, i want you to clear this up for you. we know there were few americans on board flight 370 but could malaysian airlines be sued in an american court since they operate in the u.s.? >> actually yes. there are several parameters you have to satisfy. if you are an american and purchase ed a ticket in the united states, traveling from the united states. there are many ways the airline can be brought here, but that is jurisdictional threshold. you have to meet one of those thresholds in order to be here. if you do you get to stay here. usually they look for residency, where you are traveling to, what

your destination was and helps if the airline was doing business here. it's a weird situation in asiana where they are trying to say even though the plane crashed here you can't bring the case here. there's even twists on that treaty. >> so, david, do you foresee enough evidence coming forward that a case could be against made against the manufacturer boeing. >> not at this point. unless we get the black box or some evidence. i don't see how it could be tied. the liability as far as the operation of the aircraft lies with the carrier, not with boeing. the safety systems and processes that are for example maintenance process, progress, and maintenance program is approved by the airline carrier themselves, as well. they don't just take boeing's program out of the box and say this is boeing's responsibility because it's their responsibility. >> this is for -- i want to do a

tweet question real quick and ask this to jeff wise. this is from mary jones. she says why doesn't angus houston talk to the families an answer their questions? you heard ivan watson saying the malaysian authorities and families have this difficult relationship document you think it would be better if angus houston spoke to the families. >> we have heard a lot of criticism from the malaysian authorities and i think the australians should come under criticism. we have heard strong language in recent weeks. where we were promised the search area was going to turn up the remains of the plane. we have no explanation of what data was used, what the assumptions were made. these are questions that were asked in the most recent document released by the family members. they want to know what assumptions are being made, what data was used? excellent questions. we have seen a lot of footage of emotional family members hurling

abuse. but when you see the questions they are asking they are reasonable. i think both malaysians and australians could have done better answering them. >> coming up my experts answer your questions next. if you have moderate to severe rheumatoid arthritis, like me, and you're talking to your rheumatologist about a biologic... this is humira. this is humira helping to relieve my pain. this is humira helping me lay the groundwork.

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welcome back. time for our experts to answer your questions. first one will go to michael kay. we have a question from mabel. mabel says what are the first steps taken in the investigation once the plane is found? >> i guess my answer to that, don, is which part of the plane is found first. that is critical. if it is surface debris, i think the huge bit of the investigation will be allowing closure for the families. that will be absolutely key. we have been talking about bypassing the hay stack and going if for needle. and that is the black box and fdr and cvr. there are memorandums of understanding being drawn up right now as to who would handle the processing of that data. would it be the ntsb, the aaib or the australian. >> i have to go to david. pete meyer says a lot of questions on the show seem to assume the black boxes are sitting on the ocean floor or

buried in the silt. wouldn't they still be inside the fuselage? >> absolutely. that's right. if we have given that impression or if i have it is incorrect. it should be and probably will be surrounded by and very difficult to extract from the wreckage itself. >> this is a question from john for arthur rosenberg. it seems very lucky that the first ping we heard was so quick. now no wreckage top or bottom. time to show all info? >> absolutely. it's time for the malaysians to come clean. it's time for us to have a little more detail on virtually every aspect of this investigation. it would only help the families. >> jeff, you will like this one. it's about the northern route. it's from amanda. amanda says, have any of the sunt countries on the northern route even searched their own territory? >> wow, that's a great question.

we have completely lost sight of the northern arc. once the malaysian prime minister made the famous 10:00 p.m. announcement that they determined it was the south, we really stopped looking at the north all together. i heard that malaysia had asked kazakhstan if they could set up a search facility up there. i haven't heard back about it. so, great question. >> mary, question from dale. it says why not drop pinger in area to calibrate detected pings. we know the ocean can play tricks on sounds. should they put a pinger down to see how pings are manipulated in that part of the ocean? >> absolutely they should do that. they should do that and also put a pinger down that is losing the battery to see if it goes from 37.5 to 33.5 to see if the degradation is right and see how far it can travel. can it travel 17 miles to the site. that's a great suggestion.

>> this is an e-mail from jim. it says on flight 370 any other plane, why don't the flight attendants in the cabin area have a button to send a distress call or sos to the air controllers if they could not get in the cockpit and know something was wrong? >> that's a great idea. i don't know why we don't have that. it would be a simple matter to wire that up and have it available. so, yeah, great idea. we just never thought of having to need anything like that before. that's probably the reason it hasn't been done. >> great questions from our viewers. stick around, guys when we come back more from our experts. , and you get a delicious milo's kitchen chicken meatball. i wish you liked my cooking that much. milo's kitchen. made in the usa with chicken or beef as the number one ingredient. the best treats come from the kitchen.

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time for one more question and it's a big one. the families have been talking about the northern a arc. should they be searching the northern arc? >> i think not. as much as i hate to -- i like to think the inmarsat data is correct and the comparison is okay. >> jim tilmon. >> we should least do it if for no other reason than to eliminate it and get it out of the way. >> arthur? >> absolutely not. all of the information coalesces in the area they are looking. >> mikey. >> only after the southern arc has been cleared. >> jim -- jeff, i'm sorry. >> absolutely. i think we need to put everything on the table. we have never seen this analysis. >> i have three seconds, mary. what do you think?

>> ask the countries to certify they have looked at the radar tapes and they have searched. >> appreciate you joining us. i'm don lemon. "ac 360" starts right now. the entire search effort could be about to take a major turn. the teenager who says he flew 2300 miles the hard way next to a landing gear. we will get details on what he was doing at the airport hours before getting on the flight and where he was really trying to go. a week dust since the ferry disaster began with breaking news out of south korea.