Rainwater can do it. Also if shore water supply is left hooked up, and
a leak begins (or a hose blows out); that is a very common way boats
sink at the dock (accoring to insurance).



Gary wrote:
I didn't conduct an investigation. His boat sank, it had a bilge pump,
no head, and an outboard. The only thru hull was the bilge pump outlet.
It's his story. Argue about something else.

Aw, c'mon. Anyway, it wasn't me insisting that it couldn't
be the bilge pump.

DSK