China's official news agency - Xinhua - reporting that navy (maritime patrol & coast guard/rescue) vessels are heading south toward Aussie after getting reports of the 2 leads but it will take at least 2 or 3 days, previously taking on re-supplies at Singarpore.
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China's Snow Dragon or Xuelong Icebreaker ship that made headlines down in Antarctia is fully prepared to join forces in about 4 days, docked at Perth now waiting for orders to go. It has its own heavy-duty helicopter onboard for SAR
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Xinhua news also reported that additional aircrafts are being considered by the military to assist in the search and the navy/aerial resources already on station are divided into two groups, one in the north & one heading south.