PPRuNe Forums - View Single Post - Air Asia Indonesia Lost Contact from Surabaya to Singapore
Old 6th Jan 2015, 22:04
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Sir Richard
 
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lapp

Perhaps those Listening Devices are just that, listening for acoustic signals. (Sub and surface vessels, sealife and other natural noises)

Last edited by Sir Richard; 7th Jan 2015 at 07:42.
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