In rec.boats.cruising Brian Whatcott wrote:
:On Tue, 9 Oct 2007 07:20:07 -0700, Mark Borgerson
wrote:


:You might also consider a couple of 8GB USB flash drives as backup.
:Flash memory may better accomodate the shock and vibration of
:a boat under way. When not in use, you can remove them and store
:them in a plastic bag with some dessicant.
:
:
:Mark Borgerson

:I lforgot about a memory stick in a shirt pocket I left out for
:washing.
:My wife recovered the memory stick in three pieces: two covers
:and a little card and chip. I stuck them back together. It worked.

:You could be right about USB flash robustness!

Flash is pretty resistant to temperature and most other environmental
factors, short of being hit with a hammer. Salt water might cause
corrosion to the connections to the support circuitry, though.