Re: 757 flight recorder located

From:         kls@ohare.Chicago.COM (Karl Swartz)
Organization: Chicago Software Works, Menlo Park, California
Date:         07 Mar 96 02:06:21 
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>I wonder if it might be feasible, though, to attach something to the
>recorders to make them easier to recover in case of a crash into water.
>I'm thinking of two possibilities.  One is a sonic beacon, to be audible
>from a passing submarine, or a hydrophone on a surface ship; that ought
>to cut the search time quite a bit.  To activate it in the case of a
>crash into water, a pressure-sensitive switch could be used ...

>From the reports of how the U.S. Navy located the recorders from the
Dominican crash, this is pretty much how they were set up.  The only
difference from your suggestion is that I think they were activated
by water, not pressure.

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