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| Malaysia MH370 jet hunt will move south, Australia says | Malaysia MH370 jet hunt will move south, Australia says |
| (about 1 hour later) | |
| The next phase of the hunt for missing Malaysian jet MH370 will move hundreds of miles south, officials have said. | The next phase of the hunt for missing Malaysian jet MH370 will move hundreds of miles south, officials have said. |
| The search will focus on an area 1,800km (1,100 miles) off the city of Perth, Australian Transport Safety Bureau (ATSB) chief Martin Dolan said. | The search will focus on an area 1,800km (1,100 miles) off the city of Perth, Australian Transport Safety Bureau (ATSB) chief Martin Dolan said. |
| Nearby areas were previously surveyed from the air, but the undersea hunt was directed north after pings were heard. | Nearby areas were previously surveyed from the air, but the undersea hunt was directed north after pings were heard. |
| The jet vanished en route from Kuala Lumpur to Malaysia on 8 March with 239 passengers on board. | The jet vanished en route from Kuala Lumpur to Malaysia on 8 March with 239 passengers on board. |
| Experts had hoped that the pings detected shortly after the plane vanished were from its flight-data recorders. | Experts had hoped that the pings detected shortly after the plane vanished were from its flight-data recorders. |
| But after weeks of searching the ocean floor, it was concluded that the noises were unrelated to the plane. | But after weeks of searching the ocean floor, it was concluded that the noises were unrelated to the plane. |
| Painstaking mapping | Painstaking mapping |
| Search teams have now returned to the initial satellite data to frame the new search area. | Search teams have now returned to the initial satellite data to frame the new search area. |
| "All the trends of this analysis will move the search area south of where it was," Mr Dolan said. | "All the trends of this analysis will move the search area south of where it was," Mr Dolan said. |
| "Just how much south is something that we're still working on." | "Just how much south is something that we're still working on." |
| They expect to make an announcement next week on exactly where the search will take place. | They expect to make an announcement next week on exactly where the search will take place. |
| He said it was unlikely the new focus would be as far from land as the aerial surveys had been. | He said it was unlikely the new focus would be as far from land as the aerial surveys had been. |
| UK firm Inmarsat told the BBC this week that their data had pointed to a "hotspot" - a crash zone of highest probability - to the southwest of the recent undersea search. | |
| But Inmarsat's analysis is just one of several being used within the investigation team. | |
| Before search teams can start looking for the plane, the seabed will be mapped. | Before search teams can start looking for the plane, the seabed will be mapped. |
| This is being done by Chinese and Dutch vessels. | |
| The ocean in this part of the globe is more than 6km deep in places, and the survey is likely to take three months to complete. | |
| Many of the relatives of the missing passengers have been frustrated by the lack of progress in the search. | Many of the relatives of the missing passengers have been frustrated by the lack of progress in the search. |