PERTH: The Australian Royal Navy and Britain's Royal Navy began the underwater search Friday for MH370, using a 'black box' pinger locator provided by the United States.
Two ships, Australian Defence Vessel Ocean Shield and HMS Echo are have been equipped to locate the signal from the plane's black box.
A US Navy towed pinger locator (TPL) is lowered into the ocean on April 1, 2014. - EPA
Retired Air Chief Marshal Angus Houston, who heads Australia's Joint Agency Coordination Centre (JACC), told a press conference here that 10 military and four civilian aircraft as well as 10 ships were involved in Friday's search.
However, Houston said it was still too soon to abandon a surface search as discovery of debris from the plane would help to narrow the search area.
"We will continue the search as long as there is hope of finding the aircraft," he said.
He also said 26 state emergency volunteers, who will act as spotters, have joined the search in four civilian aircraft.
The search for MH370 is now in its 28th day after it went missing on March 8.
The black box's batteries are rated to last for 60 days, after which it will stop emitting pings.
Post time 4-4-2014 01:41 PM
Last edited by eva on 4-4-2014 02:59 PM 
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