Con Concentration News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Monitor the ocean below. the search teams say their greatest asset is the human eye. to avoid fatigue, crew members are switched out from the 11-hour flights every day in the search zone they scan the water in 30-minute shifts to maintain con concentration. have you spotted anything on this ship? no, no, unfortunately not. we re just going to carry on though. so, yeah, we will be in half an hour. see how it goes. reporter: even after so many weary hours of searching, fatigue has yet to dampen hopes of finding flight 370. matthew chance, cnn, over the indian ocean. so right now 12 planes, 14 ships involved in in sunday s search. they may face rough weather, possible isolated showers. time is running out. battery powered signals from the black boxes may soon go silent. mary schiavo, first to you. how would fatigue play into this ....

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