Originally Posted by
aardvark2zz
Nobody mentions specifically the underwater acoustic pinger on the plane and the search for it !!?? Batteries won't last forever.
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I have learned from last year Armavia A320 crash in Black Sea that receiving of FDR pinger signal is not very easy and even then it still makes a lot of efforts to locate the site. They knew more or less exactly where the crash was (it was very very close to the shore) and it took them around two weeks or so to locate FDR by ping and to recover it, now you should consider both Russian and French specialists were working hard from day one and having all kind of special equipment and knew where to search.