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Old 30th Oct 2018, 09:17
  #230 (permalink)  
Prada
 
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Originally Posted by Andrewgr2
BBC are reporting that sonar is being used to locate the plane - Sonar Search I imagine they are trying to locate the pinging from the flight recorders.
No, Sonar search is not for locating pings, Sonar search is basically 3D imaging of seafloor with ultrasound. It gives you a large scale picture of the bottom. Wrecks and debris on the bottom becomes nicely visible.

For example:
http://www.flpublicarchaeology.org/b...edia_Sonar.jpg
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