and 45 minutes after their descent? the question was about the timing of the catastrophic implosion. right now, it is too early to tell with that. we know that as we ve been prosecuting this search over the course of the last 72 hours and beyond, that we ve had sonar buoy in the water nearly continuously and have not detected any catastrophic events when those sonar buoys have been in the water. can you describe what happens from here, sir, in the next days and weeks? . we will the question was, what happens from here? what s the next our thoughts are with the families in making sure that they have an
coast guard said, underwater noises were heard at some point yesterday. joining us now, nbc news correspondent, tom costello is live at the coast guard command center in boston. tom, what is the latest? good morning. this was a canadian p3 surveillance plane, flying over the area and dropped a sonar buoy, and it picked up some banging in the water, they don t know precisely what it was weird we don t know if it was a ship or people inside the sub. that canadians are rushing assets to the zone more ships, more helicopters, planes, i should say, as well as underwater drones. they have got a big challenge, though, if they can locate this missing so, how will they locate it up and out of the water? the hatch can also only be opened from the outside, not the inside. they only have about a days
boston which is where the u.s. coast guard is communicating what is going on with this rescue from. jason, what is the plan as we have 14 to 15 hours, of course that is just an estimate? reporter: right. and the plan quite simply is to keep going as they have been going. you know, when asked about that, what happens when the clock runs out so to speak. i mean the coast guard making it clear this is a search and rescue operation. and that is how he basically answered the question to that. but there was a lot of there were a lot of questions specifically about the noises that have been heard especially when we heard about yesterday, the canadian aircraft dropping that sonar buoy and picking up banging noises, if you will, the same banging noises it was revealed this afternoon were also picked you again this morning, also by sonar buoys. and so that raises the question what more can you tell us about
our coverage today from boston. the site of the u.s. coast guard command center with new information about former employees who are raised safety concerns about that sub years ago. when you re in the middle of a search and rescue case, you always have hope. that is why we re doing with what we do. reporter: with less than 24 hours of oxygen left on board titan, hope, at this point, may rest on banging noises to detected by sonar. the coast guard revealing more noises were picked up this morning after a canadian aircraft dropped a sonar buoy. with respect to the noises, we don t know what they are. to be frank with you. the p-3 detected noises and that is why they are up there and put sonar buoys in the water. reporter: the sounds described as banging picked up by a canadian plane yesterday according to a government memo. all of the acoustic information sent to the u.s. navy for analysis.
do. reporter: with what could be less than 24 hours of oxygen left onboard titan, hope at this point may rest on banging noises detected by sonar. the coast guard revealing more noises were picked up this morning after a canadian aircraft dropped a sonar buoy. with respect to the noises specifically we don t know what they are to be frank. the p3 detected noises. that is why they re there and why they put sonar buoys in the water. reporter: the sounds described as banging first picked up by a canadian plane yesterday according to a government memo. all the accoustic information sent to the u.s. navy for analysis. additional resources sent to search the area where the sounds were detected. the coast guard cautioned about drawing conclusions before experts can weigh in. we moved assets and we re searching there. we ll continue to do so. reporter: time is crucial. the rescue window continues to