cerulia, and her sister ship, solaria (pictured in backround), are two MASSIVE airships, flying buissness centers actually. each is 6000 feet long, 950 feet wide and sustains many things, buissnesses, hotels, resturants, radio and tv stations, even houses and living quarters. since it is so huge andhigh up, it has several transciever arrays for wireless internet sattelite links, an internal hangar that holds 500 planes, a runway and even trees and small recreational gardens. they have top speeds of 80 to 85 knots, and dont need internal compression for in the world they exist in the oxegen doesnt get thin up to 80 thousand feet.