that's because officials say they may have, for this last week, been searching in the wrong area. they stress, however, that none of the search up to this point has been a waste of time. they are more confident now that they're more likely to be looking in the right place. day 21 of the search for flight 370 began with an entirely new search area. nearly 700 miles north of the zone searchers have been scouring for more than a week. >> the new information is based on continuing analysis of radar data about the aircraft's movement between the south china sea and the strait of malacca before radar contact was lost. >> reporter: officials explain the sharp move northward shows further analysis that the plane may is not have flown as far south as previously thought. >> this is new results which indicated that mh-370 flew at a higher speed than previously thought, which in turn means it used more fuel and could not travel as far. >> reporter: for days searchers have been focusing here, raising