i m wolf blitzer. you re in the situation room. it s seen as the best hope forever finding malaysia flight 370 now missing for 40 days. but with the world watching, the unmanned u.s. navy submersible bluefin-21 abruptly aborted its maidened mission. a second mission has begun and continues right now in the indian ocean. with the air search ending soon and winter beginning, our correspondents are reporting from every angle bringing you the kind of coverage that only cnn can. let s go straight to perth, australia. cnn s will ripley is standing by. will, what is happening right now with the search? reporter: wolf, this is the command center for the search operation happening out more than 1,000 miles from here whereas far as we know the bluefin-21 is now about seven hours into mission number two. it was around this time yesterday that the subhad to abruptly abort the mission after completing only a third of what it had hoped to do. will it be able to continue a full scan a
cockpit. good night, malaysian 370. and it isn t who they first thought. i m wolf blitzer. you re in the situation room. we begin with new clues in the search for flight 370, new details about its final moments. here are the latest developments. a search plane has recorded a possible ping from the airliner s black boxes. the signal was detected by sonobuoys that were dropped by the plane. analysts are studying the acoustic da acoustic data. sources say that flight 370 disappeared from military data after it shade the sharp turn back over the malay peninsula. they say this plane must have dropped in altitude between 4,000 and 5,000 feet. and as aircraft continues to go on another search for debris, our analysts and reporters are standing by here in the united states as well as around the world with the kind of special coverage that only cnn can deliver. michael holmes is in perth, australia. let s go there first for the very latest. michael? reporter: wolf, a dozen of th
sonar sonar technicians are sweeping the bottom of the ocean looking for a ping. how do they do it? and how can they fly for so many hours without anyone looking for it. we ll talk about the delay and the dysfunction in the malaysian response. i m wolf blitzer. you re in the situation room. right now there s new optimism in the search for flight 370. five weeks after the airliner disappeared, australian s prime minister says that the search area has been cut down significantly and he is very confident that searchers are closing in on one of the two black boxes. more confusion, though, from malaysian authorities a week after the prime minister said that all of the passengers have been cleared. the defense minister said, quote, everyone on board remains under suspicion. air crews are et going ready to resume their hunt for flight 370 which may have drifted hundreds of miles since the plane went down. our analysts and supporters are standing by here in the united states as w
house. embattled health and human services secretary kathleen sebelius is resigning, gone. this news just coming in to our own jim acosta. i want to go straight to the white house. athena jones is there for us. athena, what more can you tell us? people have been calling for her head. it seemed like she might have survived, but no. that s right. hi, erin. all along during the disastrous roll-out of healthcare.gov, secretary sebelius was under an enormous amount of pressure and the administration stood by her, repeatedly in briefs. you heard from white house press secretary jay carney that the administration had faith in kathleen sebelius. the word here is she wanted to wait until they could announce these positive numbers. you ll remember a week ago the administration was able to say 7.1 million people ended up signing up for health insurance, despite that rocky start, that rocky roll-out to healthcare.gov. and even this morning, we heard from secretary sebelius on capitol h
there s now a major turn in the search. here s the latest developments. the search is now going underwater. an australian vessel is towing an american pinger locator looking for the black box signals thousands of feet below the surface. a british ship is using the device in the same area. without knowing where to listen, it s a big roll of the dice and there s another huge problem. the batteries powering the black box pingers are due to run out in a few days but the manufacturer tells cnn those batteries were never returned for maintenance and they actually may already be dead. aircraft are getting ready for another day of searching. if they can spot the debris, they can narrow the search for the airliner recordings. we have our analysts and reporters standing by in the united states and around the world with the kind of special coverage that only cnn can deliver. let s go to perth, australia, to kyung lah. she s got the latest on the search. kyung? reporter: wolf, normal