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Missing Plane MH370: Ship Detects Signal In Ocean

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MALAYSIA
An observer watch a smoke fare after it was deployed to mark an unidentified object spotted from a RNZAF P3 Orion during search operations for wreckage and debris of missing Malaysia Airlines Flight MH370 in the Southern Indian Ocean, near the coast of Western Australia on April 4, 2014. A US Navy 'black box' detector made its much-anticipated debut in the oceanic hunt for flight MH370 on April 4 but Australia's search chief warned it was crunch time with the box's signal set to expire soon. AF | AFP via Getty Images

UPDATE: Electronic signals detected by a Chinese ship are consistent with an aircraft black box, Australian officials say.

A Chinese ship searching for the missing Malaysia Airlines flight 370 has detected a "pulse" signal, China's Xinhua News Agency said.

The signal discovered is reportedly being emitted on the same frequency as that used by black-box equipment.

The update has yet to be confirmed by authorities.

It has now been four weeks since the Malaysia Airlines jetliner, flight MH370, disappeared without a trace.

Now, searchers have launched the most intensive hunt yet in the southern Indian Ocean, trying to find the plane's black box recorders before their batteries run out.

Up to 10 military planes, three civilian jets and 11 ships will scour a 217,000-sq-km (88,000-sq-mile) patch of desolate ocean Saturday – some 1,700 km (1,060 miles) northwest of Perth near where investigators believe the plane went down on March 8 with the loss of all 239 people on board.

"If we haven't found anything in six weeks we will continue because there are a lot of things in the aircraft that will float," Retired Air Chief Marshal Angus Houston, the head of the Australian agency coordinating the operation, told reporters.

"Eventually I think something will be found that will help us narrow the search area."

On Friday, he said the search was a race against time.

"The locater beacon will last about a month before it ceases its transmissions - so we're now getting pretty close to the time when it might expire," he said.

The longer the black box flight recorder remains unfound, the shorter the window of time investigators are working with.

With the battery due to run out on Monday or Tuesday next week, the likelihood that the device will be found is declining rapidly.

Ships have sighted a number of objects in the massive search area, but none have been associated with the missing plane.

If the black box's battery runs out before searchers locate it, the device could not be found for years.