Help with the search. One of the latest theories is that the plane might have stalled during flight. The theory is based on this. Its a screen rab and its said to be leaked by an air Traffic Controller. This appears to show that the plane was climbing but that it was losing speed. And police say that they are not asking family members for information to help identify the passengers at this point. Earlier, some Police Officials say authorities were asking for photos medical records, fingerprints and dna. They are now saying that is not the case. Airasia flight 8501 is the second missing flight in Southeast Asia in less than a year. So far, searchers have found no sign of the plane with 162 people on board as we hear from Andrew Stevens, authorities are fearing the worst in this latest aviation mystery. Reporter grim new details as the search for 8501 continues. Indonesian authorities leading the rescue think the plane is likely on the bottom of the sea. Based on coordinates of the planes last transmission. Here at surabaya airport, its become crisis central. The distraught family members were briefed here earlier today behind closed doors. Monday marks the first full day of searching since 8501 disappeared early sunday morning. So far, the plane has not put out any signals that could help pinpoint its location. Instead, crews focus on this very broad search zone over the shallow waters of the java sea where the plane was last tracked. The airbus a320 took off from surabaya. Rough roughly an hour later, it vanished en route to singapore. The pilots encountered severe storms that may have contributed to the fate of the passengers and crew. Usually its not one thing that brings down a plane and for a modern jetliner or a big jetliner to be brought down by turbulence its rare. Reporter one theory the plane may have stalled as it climbed to a higher altitude. This was leaked by an air Traffic Controller and seems to report that. What it shows is this particular flight had an altitude of 36,000 feet and climbing but traveling at approximately 105 Miles Per Hour too slow to sustain flight. Reporter cnn could not validate the authenticity of that image. We know that at 6 12 a. M. Pilots asked for permission to climb from 32,000 feet to 38,000 feet. It would be the last known communication from the crew. We are very devastated by whats happened. Its unbelievable but we do not know what has happened yet. Reporter for these two teenage girls whose parents were aboard the flight all they can do is wait holding on to hope that their families will soon be found. Cnns Andrew Stevens with that report. For the latest theories of what haf may have happened lets bring in analyst peter goelz and from charleston south carolina, we have mary schiavo and in new york im joined by david soucie author of why planes crash. Why do you think it took so long for indonesian authorities to say theres an emergency here . It took an hour and a half. You are reluctant to call an emergency. You think maybe the pilots have inadvertently switched their radio dials, any number of problems. But people dont like to call an emergency. Particularly if in a structure that is a Military Form of monitoring. They just dont want to do it. Mary, you heard in andrews piece, you said its generally not just one thing that causes a crash here. Lets talk about the weather, though. Obviously this was some pretty severe weather. The pilot had asked for permission to climb to 38,000 feet because it was so bad. But what else could have contributed to this . Well the weather might have been a precipitating or caused a cascading effect. In other crashes that ive worked heres how the sequence went. You had particularly bad weather that stressed the plane and the pilot. The pilot made decisions on how to climb or what to do with the plane and then a piece of equipment did not respond as the pilot thought it would be and in most of those, accidents that i worked three things combined and in two of those cases, the plane fell from 35,000 feet. Okay. So youre looking at this david, you hear what that screen grab says. We havent confirmed it. Climbing at 36,000 feet thats why experts are thinking that the plane was climbing because it was at 32,000 when the pilot made the request to go to 38. 105 Miles Per Hour its not very fast. Not fast enough to sustain flight. How does a pilot make a mistake like that . Well the optimum climb attitude at that point or speed at that point for this aircraft is about 270 knots. So thats where it should have been to get through the climb as quickly as possible with the power settings it had. So obviously something had gone wrong there. There was something that the pilots did not anticipate or they didnt have the information that they needed to make the proper decision which was the case of air france 447 when the pitot tubes had been blocked off and they didnt have air speed indications. One of those two scenarios is likely at this point. Lets say they didnt have air speed indication. What is the safest thing for a pilot to do at that point . To descend . Well not necessarily. Because in these aircraft theres a shaker. And what that does is give you the same indication if youre under an underspeed situation or an overspeed situation. If youre in an overspeed situation, would you pull back on the aircraft and try to make a climb to slow yourself down. Now, if youre in an underspeed situation excuse me. Overspeed situation, would you go up and underspeed situation you would go down to increase the air flow over the wings to prevent the stall. So without that information, youre relying on the ability to simply look out at the horizon and see if youre climbing or not. Air france 447 did not have that option because it was dark but in this case there would have been horizon that they could have seen and been more aware of their angle of attack. It makes you wonder if perhaps these things came together peter. Because you have the pilot requesting to ascend and air Traffic Control saying no denying that request and yet we believe, based on this screen grab that the pilot went ahead and went for the assent. How unusual is that . Under which circumstances would a pilot disregard air Traffic Control . Well a pilots fundamental responsibility is a safe flight for himself and his passengers. He has to look after the plane. And if in his judgment climbing is the most immediate and safest thing to do and hes in open air space, hes able to see whats around him, he needs to do it. And thats his judgment. So it meant he was under some degree of stress to make that decision though. Something was going on. Thats your impression mary . Yeah. I mean thats the piece one of the pieces of information that doesnt make a lot of sense because you really dont. If the air Traffic Control says you cant climb, youve got traffic, youre risk a midair collision. And if that had occurred obviously the planes have midair Collision Avoidance but that didnt make a lot of sense to me. If air Traffic Control said no its very odd that you would do it. I was wondering if at that point they were experiencing weather that gave them unbelievable up or down drafts and had to fight for their lives against tough weather. Right. If they were being forced in a certain direction. Mary peter, david, stick around. Well talk with you more at this hour. Still to come we have a closer look at this storm. The pilot appears to have been trying to avoid it. Plus, airbus, the maker of the missing plane is jumping in to help find this flight. The new numbers of those rescued and killed after a fire tore through a ship stranded on frozen waters. vo nourished. Rescued. Protected. Given new hope. During the subaru share the love event, subaru owners feel it, too. Because when you take home a new subaru we donate 250 dollars to helping those in need. Well have given 50 Million Dollars over seven years. Love. Its what makes a subaru a subaru. Lets get more now on a second day of searching for the missing airasia jetliner has turned up nothing. As weve heard, the head of indonesia search and rescue agency says speculation is that the jet is quote, at the bottom of the sea. Indonesia has asked the u. S. To help in the search. We have aviation correspondent rene marsh, tom foreman who is also following the story for us. And you have this speculation, tom, that weather could have played a role in this. You have the pilot asking air Traffic Control while at 32,000 feet to go up to 38,000 feet. Request denied. But what kind of weather was the pilot dealing with here . It was not unusual weather for that part of the world at this time of year but it was still extreme weather. And thats the kind of weather the pilots always have to worry about because weather is always an issue out there. Lets take a look at the weather map here and the area that were talking about where the plane went down is right in here and at times you can see in the cycle of the weather at the time it filled in almost entirely with the red areas that show very dramatic winds, very dramatic lightning and the potential for dramatic pressure changes. And those pressure changes, ill tell you, can make a huge huge difference. If you think of a plane in flight when it gets up into the air and its trying to go through the air, if it hits very low pressure or very High Pressure it has the risk of getting, in a sense, mechanically confused, in the sense that at one moment its flying through very very strong forces that it pushing it hard forward and at the next moment very low pressure where its shooting forward. All of which can lead to some of that mechanical confusion of the plane where, in effect what you can have is a separation of the air flow over the wing. The only way to describe this best is at the right speed, the reason the plane is flying is because the way the air is moving over the wing and under the wing create lift. If you get your speed completely wrong and the attitude of the plane wrong, these can separate from the plane and if they effectively separate from the plane, brianna, this is the same as if you were driving down the road and you lose traction with the road. Once that happens, everything that you use to control the car is no longer there. So thats why weather really matters. Not so much because lightning would hit the plane because lightning would not likely bring it down or because the weather would tear the plane apart because thats also unlikely but because weather conditions can make the performance of the plane get changed in just the right ways and if you lose that control suddenly you have to have a very experienced pilot who does everything right to get back under control while falling maybe 1,000 feet per second in the sky. Thats assuming all of the instruments are working correctly, too, which is another concern, i think, of some experts. Rene the search area is being expanded and you also have airbus320 a french company, that is getting involved now. Right. 30 ships, 15 planes involved in the search today. Of course the Aerial Search called off until daylight tomorrow. At this stage, airbus tells me that they have sent two experts from france. They are there in neesh as we speak and they will simply be to identify pieces of the plane and when they find it also help investigators if they dont have certain systems on the airbus they will be there to fill in those blanks. We know that the french equivalent of ntsb they sent two of their investigators there as well to help move this forward. Obviously key is finding the wreckage. They are at a standstill until they actually have physical pieces of the plane. And we also just learned that indonesia has asked the United States for help as far as the search efforts go. So that might mean equipment to help to find this plane. Like sonar equipment for an underwater search . Absolutely. We heard Officials Say that they believe the plane is at the bottom of the ocean. You have the Aerial Search going on with the naked eye. If its the bottom of the ocean, you need that sonar equipment. Tom, some comparisons that experts are drawing between this particular flight perhaps whatever happened and an air france crash, going between rio and paris, that plane stalled as it was climbing and we were just talking about the instruments being an issue. Is there is that an accurate comparison do you think . Well we dont know until we know what happened with this plane but its a scenario that makes sense. In the air france crash, what happened is the plane if we use this as our example right now was dramatically losing air speed. It was slowing down but, in particular they had a problem with these things down here. You see this tiny device on the airplane you may have seen it if you have flown on one. The pitot tube tells you how fast the plane is moving through the air. In the air france crash, there had been previous problems of ice crystals forming giving false speed. If you look at the idea of a plane flying here, if that happens and you dont know how fast youre going, which they did not know in the air france crash, the pilot, who is chiefly in charge up here he kept trying to pull the nose of the plane up saying well ive got to get back in the air. Im losing ground here and ive got to raise this plane up. Obama when they were way too close to the water did the other pilot say, no no no you need to point that nose down to get control of the plane again. And by then it was too late. That is a mistake that can be made if they dont know how fast they are going and they are essentially falling through the sky when they think they are moving forward. Yeah. If you think youre going fast and youre going down then the instinct is to climb but if theres an instrumental problem telling you youre going fast and youre going slow it can be a disaster. Tom foreman, rene marsh, thank you to both of you. Still to come the weather conditions in the area of the missing plane, they were less than accommodating. Well talk to one man who has flown this exact flight path before. And disaster strikes on cold rough seas. Hundreds of people stranded on a ship engulfed in flames. Wow [ narrator ] on a mission to get richard to his campbells chunky soup. Its new chunky beerncheese with beef and bacon soup. I love it. And mama loves you. Theres a new way to buy a car. Just find the one youre looking for see what others paid for it, lock in your savings and get the car you want hasslefree. With truecar its never been easier. An amazing rescue effort has saved the lives of hundreds aboard a ferry. Rescue workers have plucked these people off one by one. In all, 427 people managed to escape the burning ship and eight people died. The ferry was going from greece to italy when the fire started. Joining me is nema. Are there still people aboard this ship at all . Reporter my understanding is that there are crew members still being ferried off but the main ship the rescue ship still hasnt stopped and that gives you a sense really of the weather conditions here. They havent as of yet been able to decide which of these ports would be the easiest accessible and there are some of the crew members on board that have been given that the death toll inched up through the day, you can appreciate a lot of anxiety for those survivors that weve been speaking to that have been separated by their family members. The fire nema is tremendous. Do we have any idea what caused it . Reporter well that is the question really that everyone is attempting to figure out. One woman i spoke to said that what woke her was the two explosions clearly something ignited. She said when she first boarded this ferry, immediately she felt a sense of unease because she saw it loading up with tankers carrying fuel and she said it was quite an old ferry. So already she wasnt 100 comfortable but then seeing all of that inflammable gasoline coming on board this ship she said immediately it became a source of concern for her and throughout this ordeal, coming up through the soles of her feet were these continuous explosions more and more of this flammable liquid came to light. Italian authorities are beginning their investigation right now as we speak brianna. They are trying to figure out how this could have been allowed to happen and we understand from the Prosecutors Office that they are trying to request to the ship support here so they can start looking over it forensically. Brianna . Well be looking for answers along with you. Nima from italy for us. Monsoon rains and a massive thunderstorm. Hear from one man who has known the exact flight path of missing flight 8501. And we want to hear from you. Send your questions about this flight to 8501qs. Man sternly seriously . Where do you think youre going . Mr. Mucus to work, with you. 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