SI-TEX SP110RF-3 Autopilot System
Defender Home Page
Phone: 800-628-8225 Fax: 800-654-1616 Int'l.: 860-701-3400 Email: Contact Us
Shipping Info
no sales tax Defender Home Page
Your Cart

View Cart View Shopping Cart
Check My Order(s)
Track My Package(s)
Conversion Chart
Shopping Areas
Boats & Motors
 Defender Seal

SI-TEX SP110RF-3 Autopilot System

  • Control Head, Electronic Rate Compass, Built-In Rudder Feedback
  • Includes Type S Mechanical Dashboard Drive, 12 Volt DC
  • Vessel Type: Inboard, Outboard, Stern Drive Cable-Steered Powerboats to 36 ft
  • Item #: 
    Model #: 
    Shipping Weight: 
    13.65 Lbs.
    List Price: 
    Reg. Price:
    Sale Price:
    Note:  This item ships from the manufacturer.
    It typically ships within 2 business days  (more...)




    Si-Tex SP110RF-3 Autopilot System includes:

    • Control head
    • Electronic rate compass
    • Type S mechanical dashboard drive
    • Built-in rudder feedback


    • Combines advanced steering features, simple 4-pushbutton operation, rugged reliability and performance
    • System configuration options:
      • As stand-alone system with control unit and compass connected to either reversing pump or mechanical drive units
      • Integrated via NMEA 0183 interface with navigational aids such as GPS or GPS plotter to provide waypoint steering
    • Compact, splashproof control unit with large, easy-to-read backlit LCD display
    • Separate junction box not required
    • Virtual Rudder Feedback capabilities eliminate the need for a separate rudder feedback unit
    • Attractive, straightforward styling complements existing vessel instrument layouts
    • Autopilot steering modes:
      • Manual (display shows current magnetic heading)
      • Auto (autopilot maintains desired magnetic course)
      • GPS (when interfaced with GPS via NMEA 0183)
      • Wind (when interfaced to wind sensor via NMEA 0183)
    • Off-course alarm
    • 2-year limited warranty


    • Si-Tex Part No. SP110RF-3
    • Suitable for inboard, outboard or stern drive cable-steered vessels up to 36 ft in length
    • Nominal Voltage: 12 Volt DC
    • Current Draw: 0.5 Amps (average) / 5 Amps (peak)
    • Course Detection: >1°
    • Sensitivity: 0 - 10°
    • Rudder Ratio: 0.1:10 to 1.0:1.0
    • Rudder Limits: Adjustable
    • Off-course Alarm: 45°
    • Nav Signal: NMEA 0183
    • Dimensions (control unit): 4.3" W x 4.3" H x 1.7" D
    • Cut-out: 2.75" dia.

    For further details see Data Sheet for this product

    WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to


    Have A Suggestion?

    Help us make our site better for everyone! Let us know you've found something wrong or frustrating on this page and we will improve it. Please mark each that apply.

    Product has been improperly categorized
    Page loads too slowly
    Product information is incorrect
    Page has errors or bugs
    Site is frustrating or difficult to use
    Product image is missing or wrong
    Cannot find my size
    Spelling errors on page
    Not enough product information

    Comments or Examples:
    Examples: Missing information such as dimensions and model number, typos, inaccuracies, etc...

    Please include your e-mail address below if you would like us to respond to your comments or questions.             

    Join Our Email List And Receive our Monthly Promotions
    Defender Email Specials