May have been said before, if so I do apologize.
Airships are part of the main story and a great way to handle player housing! We'll talk first about single player housing.
I like to think of the airship from FF7. It had stables where you could see your chocobo and interact with it. So let's bring that up first.
Chocobo interaction within your player housing! Chocobo is designed to be sort of your partner in crime once you are able to summon him. I feel like this brings that sort of bond out more and lets you have more ways to interact/alter/play with your sidekick!