[QUOTE=Rogue Wave;228619] as far as I know a vessel owners insurance can cover any suitably qualified skippers, and if you have a contract make sure that is written in. If you are doing a private delivery you definitely want to put the onus of insurance on to the vessel owners.
1st wave carries a commercial insurance policy which provides myself and employees/subbies with 8 meg of third party liability, which we arranged through John Goodacre at Fastnet insurance, and I can't reccomend him enough in terms of understanding what you need and knowing the pitfalls etc.
http://www.fastnet-marine.co.uk/
Also the prime small commercial boat insures are Bristol Channel Marine who I think are from Taff's Well and I've heard nothing but good stuff about Tony from the tuggies I work with.
http://www.bc-marineinsurance.co.uk/aboutus.html
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The problem I seem to hit, is that of being freelance.
(what is a subbie 'exactly'?)
The vessel owners insurance, unless in some cases working 'on the books' rather than invoicing, seems not always to cover against 3rd party claims.
Possible actions by insurance companies against any freelance skipper, under 'gross negligence' -a relatively 'new' term, can be extremely expensive (as found out by the skipper of the fairline that hit a Needles buoy - 85% of boat value).
We don't ever intend 'gross negligence', but that skipper also probably thought he was covered by the vessel owners insurance. OK this incident was a delivery, but is now written into maritime law as a precedent!
Insurance companies rarely like to pay out without a fight.