On Tue, 16 Oct 2007 13:23:22 -0000,  "qwertybjg"
<[EMAIL PROTECTED]> wrote:


>
>Is that due to the number of people on board, size of boat or does 
>every vessel need 2?
>
>Seems slightly excessive whatever the reason but maybe it's best to 
>have a spare just in case!
>

Well the old commercial Safety of Life at Sea ( SOLAS ) regulations
demanded that a spare / alternative in case of failure etc........
-- 

Malcolm

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