SULTANA is steered not by a wheel, but with a tiller. This device can manipulate the tiller from port to starboard allowing the vessel to maneuver.
Printables:
Additional Links:
A visual guide to an 18th century sailboat, including the tiller.
An explanation of the tiller’s role in steering the ship.
https://www.youtube.com/watch?v=h3UX67RjrL0