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Defence & Aerospace

China ship detects “pulse” signal in plane search; fails to notify Australian search coordinators


An image released Sunday by the Australian Maritime Safety Authority in Canberra, Australia, shows three search areas in the Indian Ocean, west of Australia, where planes and ships are searching again for the missing Malaysian Airlines Flight 370. (Australian Maritime Safety Authority / April 6, 2014)

An image released Sunday by the Australian Maritime Safety Authority in Canberra, Australia, shows three search areas in the Indian Ocean, west of Australia, where planes and ships are searching again for the missing Malaysian Airlines Flight 370. (Australian Maritime Safety Authority / April 6, 2014)

Searchers looking for the data recorders from missing Malaysian Airlines flight 370 said Sunday that they were investigating underwater “acoustic events” in two distinct areas of the Indian Ocean – one picked up by an Australian vessel and two others recorded by a Chinese patrol ship.

The Australian military vessel Ocean Shield, towing a sophisticated pinger locator lent by the U.S. Navy, reported Sunday morning that it had picked up a signal, said Air Chief Marshal Angus Houston, who is coordinating search efforts from Perth, Australia.

That report comes on the heels of a Saturday night report from the Chinese ship Haixun 01 that it had detected pulse signals both Friday and Saturday at 37.5 mHz, the same frequency used by an airplane flight data recorder.

Houston called the Haixun 01 findings  “the most promising lead” and said airplanes as well as the British ship Echo were in route to the area where Haixun 01 was operating to investigate further.  Commodore Peter Leavy, the task force commander in Perth, said it would take at least 14 hours for the Echo to arrive at that location.

The Ocean Shield was about 300 nautical miles from the Haixun 01 and would not redeploy to the vicinity until it had concluded investigating the noise it had picked up, Houston said. Leavy said that  if Ocean Shield was sent to area the Haixun 01 is in, it would take more than a day to reach the site.

At a news conference from Perth, Houston said investigators had made a “correction” to their calculations – based on satellite data – as to where the Boeing 777 had most likely entered the Indian Ocean after disappearing March 8 with 239 people aboard.

As a result of the correction, searchers were going to focus Sunday on the southern portion of the designated search area, rather than the northern portion. The Haixun 01 is operating in the southern part of the zone, he said. Water in the vicinity is extremely deep – nearly 3 miles, he said.

“Any recovery operation is going to be quite challenging … if there is anything down there,” Houston said, and investigators are “a long way from making that conclusion.”

Houston cautioned that all of the pulses detected so far were brief and unverified.  These are “fleeting, fleeting acoustic events,” he said, rather than a continuous transmission.

“We need HMS Echo and Ocean Shield to come to [Haixun 01’s] location,” he said. “But the fact that we’ve had two detections, two acoustic events in that location provides some promise that requires a full investigation.”

The Chinese findings were publicised Saturday night through Chinese state-run media and appeared to catch Houston’s team off-guard. Asked Sunday about whether there were coordination efforts with the Chinese fleet participating in the search, Houston sought to play down any conflicts.

“On a search like this, with journalists travelling on ships and airplanes, information will come out that has to be responded to,” Houston said.  “I accept the reality of that.”

Houston said he had spent two hours Saturday with China’s ambassador discussing ways to improve communication. He said language had sometimes been “an issue” and that a Chinese liaison officer was going to be assigned to the Perth coordination centre to bolster efforts.

“China is sharing everything that is relevant to this search,” he said.  “We should focus on the positives.”

Source: LA Times – Second ship picks up ‘ping’ in Malaysia Airlines jet search
 
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3 thoughts on “China ship detects “pulse” signal in plane search; fails to notify Australian search coordinators

  1. Reblogged this on Embakasi Reloaded.

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    Posted by mahustlerszone | April 11, 2014, 7:09 pm

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  1. Pingback: China confused about its status in plane investigation; it has no official role | China Daily Mail - April 8, 2014

  2. Pingback: China’s actions in hunt for plane are hurting more than helping | China Daily Mail - April 16, 2014

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