Yeah it's meant to be the blimp from MO as an explanation to why the player spawns where they do. The story explanation is that they arrive with the Glukkons as a personal slave to them.
It can be seen at the start of the preview vid here.
And here's an old pic before I improved the textures and details slightly:
E:
I'm implementing a few easter eggs like that throughout the map - Or at least to the best of my abilities considering my lack of artistic skill and the fact that it's Minecraft. I hope they'll be recognisable.