Australia : Malaysian Airlines MH370 Aircraft Not Fall in Place Search For It signals coming from other manmade sources ,

U.S. says will only lend an unmanned submarine Bluefin - 21 for another month in the search MH370 aircraft .

Australia : Malaysian Airlines MH370 Aircraft Not Fall in Place Search For It signals coming from other manmade sources ,


Signals are likely to come from other manmade sources , such as ships that are nearby .

Authorities in Australia have concluded that the aircraft Malaysia Airlines Flight MH370 does not fall in the southern Indian Ocean region where electronic signals detected last month .

Estimation was made on Thursday ( 29/5 ) following the last mission of small unmanned submarine that scans the sea floor from the southwest coast of Australia .

In a statement , the Joint Coordination Center said the submarine Agency Bluefin - 21 did not find any signs of wreckage in the search in an area of ​​850 square kilometers on the seabed .

The agency said the Australian Transport Safety Bureau has made ​​a professional judgment that the region " can be removed from the possibility of last place " aircraft that Malaysia Airlines .

The Boeing 777 carrying 239 people when it disappeared from radar without danger call on March 8 , about half an hour after leaving Kuala Lumpur to Beijing .

The news came a day after U.S. Navy officials doubt the electronic signals that direct searchers to use a robotic submarine was coming from the missing plane .

Deputy director of the U.S. Navy's marine engineering , Michael Dean , told CNN that authorities almost universally convinced the sound of " ping " it did not come from the plane's black box or cockpit voice recorder , as previously thought .

Dean said that these signals may come from other manmade sources , such as the ship was nearby or from electronic devices used looking for these signals .

A navy spokesman , Chris Johnson , Dean dismissed the statement as " speculative and premature . " In an email , he said the United States and other parties will continue to work to " understand the data more thoroughly . "

The authorities have used a series of stransmisi between aircraft and satellite communications to determine that the jet crashed in a remote area of the Indian Ocean . But the plane was not being found .

Authorities in Malaysia , with British company Inmarsat , this week has released the raw satellite data used narrow the search . VOA