Quote Originally Posted by Slateboard View Post
The guide says the 3rd airship is Unlocked through Sector 14, but I already have a 3rd Airship but I don't have Sector 14 unlocked. Not sure what happened. I just noticed it when I unlocked Sector 13 today and came here to check what it would unlock.

I am confused, but it's not a big deal.
You have the one for the 4th airship unlocked most likely.