You are so fixated on the "nonsense, scam" stance that you don't see the answer.
Expert Water + Captain's Hat (the spell to summon a ship) = summoning a boat from "nowhere."
I guess we could argue that you didn't know about this trick before.
Friend, stick to the point regarding your buddy. There's a 10% chance I'll believe it, but you both insist that's what happened, and he's being honest... but you can't find the saves and just keep talking. Give me facts, that's all I need.
Added 2 minutes later
doktorpetrov, let's do this. You make a detailed list of questions (as you wanted before) that you don't understand. And Dirty will answer them.
Just without the "nonsense, cheaters" and similar comments.