Indeed, there are working 'airships' in my universe... However, the ship that I work on occupies a space with no air.

[Cryptic answer is cryptic.... Spock goes to the panel and types in a few commands...
...then the room around them hazes out and is replaced by the Bridge of the Enterprise. The viewscreen shows outer space, stars lazily moving past as the hologram moves them through a simulated warp.]

This is the ship I help command... The USS Starship Enterprise NC-1701...