In normal operation you can leave the hull drains OPEN and the big bilge
pump will take care of it, as it was sized to deal with a 3" hole below
the waterline. When in for maintenance they will have removed one of the
3" hull plugs to drain the engine, gerbox, transfer, or whatever and not
put it back, or ripped off one of the big rubber shaft seals. The other
scenario is leaky hull and failed engine, though |I've seen a good hull
sit for several hours in the water without shipping enough water to
measure. Fatalities are unusually too, as they normally go down fairly
slowly, and there are all these regs about lifejackets and the like.
Gordon (owner of 14962)
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