I managed to sink one by picking a quiet district and hitting one close to Tortuga. Darn near sunk it before it got me.
After I got out of jail, I fixed my ship and went out right away. The same ship was still there, and its damage hadn't regenerated, so one good broadside finished it off!
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Sir Upticious
Current Open Pirate: Purser Veerant
Current Test Pirate: Dog Greenhound
Owner of Green Mongrel
Scourge of the mediocre seas!