Malaysia Airlines Boeing spokesman says Dean comments on pings are `` premature '' The pings have been at the center of the search for weeks . The new development comes as searchers wrap up First phase of their efforts . If the pings had come from the recorders , searchers would have found them , he said . Navy 777 disappeared in weeks .
Malaysia Airlines Boeing spokesman says Dean comments on pings are `` premature '' The pings have been at the center of the search for weeks . The new development comes as searchers wrap up First phase of their efforts . Navy 777 disappeared in weeks .