On Tue, 24 Apr 2012 18:15:03 -0400, BAR wrote:

The computer route would be ok if you kept it inside the cabin and you
had an SSD instead of spinning media.

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A lot depends on the boat and the laptop. None of my laptops have
had SSDs, none have been kept inside the cabin (except on sail boats),
and none have ever experienced a hard drive failure, even when dropped
(and that has happened). My current laptop has survived a number of
salt spray incidents but not all of them will.