Converting a Clockwork Dragon to a Vehicle

[Valdir the Wanderer]

How would you go about turning a Clockwork Dragon into a vehicle? I'm picturing a huge vehicle with just enough room inside for a crew of six to operate the limbs, wings, and head and tail. Whoever operates the head also fires the breath weapon.

All I'm really concerned with is knowing how the AC, saves, and HP would change, and how its initiative would work.

I'm in a bit of a rush to get this posted, so I can't think of everything to ask about right now. Any help on this would be greatly appreciated.

[Minigiant]

I think the sea combat rules for vessels maybe the best option to look at. 'Each section of the hull' is a body part.

If you wanted to use the sea combat rules, all you need to add is altitude for the flight dynamic