How do you burn the longboats?

I’m probably missing something really obvious but I can’t seem to get close enough to burn the longboats. How can I get those ships to burn? Thank you for your help! I love this game!
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Unc B wrote:I’m probably missing something really obvious but I can’t seem to get close enough to burn the longboats. How can I get those ships to burn? Thank you for your help! I love this game!