CNN CNN Special Report April 8, 2014 05:33:00
In addition to trying to reacquire these pingers, also get the best measurement of depth there. and i think they'll probably get that using "hms echo." >> go ahead, richard. >> a quick question for you, david, what is the length of the search season, if you like, before the weather turns nasty and they would have to think about postponing for winter, regrouping, if they don't find it, and starting again in the next season. >> but aren't these warmer waters where they are now? do they really have to worry about that in these particular waters? >> these are much better. it's a completely differe...