Operating Depth News Today

Joe johns is in kuala lumpur, but now, down under, michael what is the very latest? >> reporter: hi to you, bill. yesterday after completing around six hours of its mission, the bluefin-21 went below its programmed operating depth of 41 meters. they did get data when they were down there, that is six hours of data. they have examined it and say it really turned up nothing. but it was the first time out and they did say it performed technically well. they will try to reprogram it so the software ...

We have the latest on todays search. david? >> yes, good morning. >> as you said the robotic blue submarine was in waters nearly 3 miles deep. the u.s. navy which operates the equipment warned they could take weeks or months to map the area. investigators believe the remnants of the plane are. its the first mission yesterday was after it exceeded the operating depth. today they move to a shallower area to search. deeper waters available to the search teams. also today 11 planes were sent out to ...

Meters above the seafloor. now, one condition that causes it to abort its dive is if it reaches its maximum operating depth of 4,500 meters, thats what happened in this case. >> the limited data from the unmanned sub has been analyzed, and nothing found. as for the question mark over who exactly handles those black boxes when and if they are found, malaysia is now promising to share any information that is retrieved from those black boxes. but they say custody isnt actually that important. >> i ...

Thin submarine. the sub was pulled back to the surface six-hours into the search of the missing malaysian airline flight 370. david is live from bangkok, thailand with the latest on that. go good morning, david. that has proved to be the case. they sent a robot submersible overnight to try to locate the plane. they had a problem once it went beneath the operating depth of 3 miles and had to be brought back to the surface. the blue fin 21 from the u.s. was sent to map out an area of 500 square mi...

Angus houston must have seen some map but there can be crevices and gullies. and the fact they are tracking the terrain. they are keeping 30 meters above the sea floor. if the sea floor takes a dive so does the vehicle. >> there is a crunch depth for the vehicle. the pressure could -- >> my understanding is that 4500 is their comfortable operating depth and they could get down to 4900. but you dont want to go near that boundary. >> it does raise the question whether they will be experiencing thi...

I think it is fair to say that for many us, all of our lives, space is the final frontier. we have got frontiers right here on earth where no man or machine has ever been before and it just so happens thats exactly where the sonar sub is looking for flight 370678 the search area is so very foreign, the sub couldnt even finish its first dive. >> aborted its mission about the six-hour point. what this vehicle was programminged to do on this mission was maintain an altitude above the sea floor 30 m...

Search was cut short. just six hours into its mission the bluefin-21 surfaced. 14 hours early. the bluefin was originally expected to scour the ocean floor for debris. the whole journey lasting 20 hours. but instead, the device resurfaced after the o official say it exceeded the operating depth of 14800 feet. >> we just hit a deeper spot than we initially planned so we just got to bring it up, reprogram it, shift a little bit away from the deeper area. and adjust our search pattern. meanwhile,...

Maximum operating depth of 4500 meters. thats what happened in this case. the charted depth is between 4200 to 4400 meters in that rectangle that it is searching. we hit a deeper spot that when initially planned. we have to bring it up, reprogram it, shift away from that deeper area and adjust the search pattern. >> the bluefin is being used in the most-likely spot. what makes that the most-likely spot? is there other data that is pointing to that particular location? >> the information that tel...

Sources close to the operation. they say the bluefin had been calibrated to go to a certain depth. its not clear why but the vehicle started to move towards a lower depth and at that point it took itself out of the mission. a source close to the operation tells cnn, the bluefin-21 is back in the water, searching for possible debris in the same place it was looking monday night. the source says the underwater drone is operating at about the same depth as its first mission, even though in that fir...

Points they take that make sense if you look to control of a border area. >> nick patton wash. thats it for us. see you at 11:00. good evening from boston. i am bill weir. we begin with breaking news on the never ending hunt for flight 370. navys underwater search vehicle aborted its mission. it exceeded its operating depth of just under three miles deep. a built in safety feature returned it to the surface after six hours of data gathering. technicians looking at that data hoping against hope...