I believe that you can find one in Realmspace. Its on the covert, it called the Batship.
The Batship is not really intellegent. It has a human helmsman trapped inside it in a sort of 'coffin helm'. That helmsman is the source of the intellegence. The ship is not native to Realmspace and (as far as I recal) the helmsman is the creator of the ship.
In the legend of the Spelljammer box, you have the Spelljammer and its Smalljammer that have a form of intelligence. In my campaign I had a Smallerjammer who had an avatar of sorts in the form of a female clockwork swordman (a golem). Yes, it is quite Adromeda like. A spell linked the Clockwork swordman (who is above averege intelligence) to the ship. Since the golem was new, the ship became the dominant personality.
The Smalljammer avatar is an interesting one, but I'm suprised you didn't just make it a shivak. If I was going to modify the Smalljammer, I'd be tempted to give it a shivak, because that would fit in a lot better with the ship's eventual destiny.
The subject of Smalljammers has come up several times over at the Spelljammer forum at The Piazza and someone (IIRC it was Night Druid) came up with the idea of having Smalljammers grow from one-man ships into ships that can take a crew of 30-50 people.
I personally think it would make sense for a Smalljammer to seek out a captain, so that it can use his cultural memories to design the city that it will eventually grow if it ever becomes a full blown Spelljammer.
But getting back to the point, another way to go with the intellegent ship thing, would be to use a creature (like a kindori) instead of a ship. That way you could treat the creature like a big horse!
Since the 2008 forum changes I have spent more time on The Piazza than on Wizards of the Coast's forums. The Piazza's Campaign Settings area has since grown to cover more than 30 different campaign settings and its rules area (called The Crunchy Bits) has grown to cover 10 different RPG systems, including clone systems like Pathfinder and C&C and a free to download retro-clone built at The Piazza called Dark Dungeons.
Beyond the Moons: The official Spelljammer website Spelljammer Forum: The Piazza's forum dedicated to Spelljammer Spelljammer Wiki: The encyclopedia of Spelljammer
This new Smalljammer doesn't want to die when a new Spelljammer is chosen. This opens doors for quests that will sever the bond between a Smalljammer and the Spelljammer.
Perhaps you should say that your smalljammer has a "Peter Pan" complex and "doesn't want to grow up". True, I checked. I must of confused the fact that from every spwaning of Smalljammers, only a few actually live long enough to become full fledge Smalljammers. Maybe Peter Pan could be a bit paranoid.
Perhaps you should say that your smalljammer has a "Peter Pan" complex and "doesn't want to grow up".
ZAT...the metallic fighter-jet configuration vessels. I mapped them out since The novels and accessories left it open-ended. These vessels immediately bond with mage that first enters their interiors, and have some very interesting "things" to be discovered inside.