These are classical designs with a gasbag system to a nautical frame. They use three Vimana discs and the gasbag to provide lift with a pair of propellers for thrust. They handle a variety of roles for the empire including defense.
The Köpekbalığı has two upper gundecks which are rounded to wrap around the front. If these were fully armed each deck would have twelve cannons per side for forty eight cannons total, however cannons aren’t so easy to come by and so they in fact usually only carry half of that.