Ship Dragging News Today

One reason is the weather. the heaveing waves make it less stable and can damage it. another factor the noise. >> in this area the water is so shallow you cant get away from the noise of the ship dragging whatever instruments so the ship is making noise, the waifs make a lot of noise and the waves make a lot of noise and all of that -- now youre trying to listen for a whisper. >> reporter: if the locator is not effective or cant be used or if searchers already know where to look a side scan sona...