Sonar Help News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Start whelming the search. one thing they do have is a lot of sonar help. there are several coast guard ships and commercial ships doing side scanning of the bottom. ocean. so they're paying very close attention to the sound they're hearing, hoping that is the critical clue to finding the vessel but they're also trying to get a visual sense of the ocean floor. >> no question. it does show how connected the noises are. and one of the details that stood out. originally people were saying they were their-minute intervals. the coast guard captain saying in his view, it's not clear they were 30-min...

This point. >> okay. there are at least two u.s. warships in that area. the "u.s.s. ft. worth" that just arrived. and you talk about the sonar capabilities. the sonar, we understand from which ship actually located four more items. how might the sonar help detect the black boxes? and would that typically be the way in which those black boxes are located? >> well typically, you don't use sonar to detect the black box, or the sonar or the ping from the black box should show up on the sonar record. so you'll see a line across the image that would indicate that the pinger is close by. then what yo...