At the same time , the search team coordinator MH370 Angus Houston said signal " ping " was arrested last signal of the hearing aid on Thursday , is not associated with the MH370 .
" We are confident that we know the position of the black box flight recorder in a few kilometers , " Abbott said in pembicarannya in Shanghai , China , Friday ( 11/4 ) .
Mystery MH370 missing more than a month ago has prompted most expensive search and rescue operation in the history of flight .
Today the center is focused to search a small part of the Indian Ocean after the " ping " seems in line with the last four " ping " before being detected tracker black box " Towed Pinger Locator " ( TPL ) Anchored on the Australian ship Ocean Shield .
All of the five acoustic signal is detected in a small area , but Angus Houston said acoustic data analysis to make sure that the last signal was not related to the missing plane's black box .
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" From the information available to me , there was no major breakthrough in the search MH370 , " he said .
Now the search is focused on three areas in the southern Indian Ocean .