SP-110 System w/Virtual Feedback NO Drive Unit. Part # SP110VF-1. SI-TEX has added a new member to its growing family of high-performance autopilots. The new-for-2011 SI-TEX SP-110 is an ideal solution for owners of small to medium sized powerboats as well as sailing yachts up to around 15 meters, combining advanced steering features, simple push-button operation and rugged reliability. The SP-110 works with rudder feedback units however it has Virtual Rudder Feedback capabilities which eliminate the need for a separate rudder feedback unit further enhance this new pilot's simplicity, affordability and performance. Designed to an industry standard 110mm square casing it fits nicely together with other instruments. SI-TEX has developed the SP-110 to provide performance and reliability for the small boat user. There are simply no other autopilots on the market. The SP-110 can operate as a stand-alone system with the control unit and compass connected to either reversing pumps or Part # SP110VF-1. SI-TEX has added a new member to its growing family of high-performance autopilot Designed to an industry standard 110mm square casing it fits nicely together with other instruments. Features . Splashproof Control Unit with large, easy to read backlit display Simple operation with push button controls. Attractive styling complements existing vessel instrumen Off course alarm Steer to GPS or Steer to Wind modes Optional Rudder Feedback Unit