Be careful of taking it on the cruise... royal Caribbean specifically bans drones and won't let them on if they see in an X-ray (on the other hand the mavic doesn't look like a drone when folded).
I read a post on a cruise forum that a guy took his, didn't even attempt to fly on the ship. He took it off at a Caribbean country and when he tried to re-embark the ship they told him he had to leave it behind. In the end he was able to talk them in to confiscating it for the rest of the cruise and having to pay a storage fee.
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