{"product_id":"si-tex-sp-38-commercial-autopilot-system-with-flux-gate-compass-rotary-feedback","title":"SI-TEX SP-38 Commercial Autopilot System with Flux Gate Compass \u0026 Rotary Feedback","description":"\u003ch1\u003eSI-TEX SP-38 Commercial Autopilot System with Flux Gate Compass \u0026amp; Rotary Feedback\u003c\/h1\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003e\n  The SI-TEX SP-38 is a feature-packed professional autopilot system engineered for a wide range of powerboats and commercial vessels up to approximately 150 feet LOA. Designed with serious captains and professional mariners in mind, it delivers precise, adaptive steering performance in demanding conditions. SI-TEX's proprietary Intelligent Steering Technology (IST) learns your vessel's characteristics over time, continuously fine-tuning itself for optimum handling and response.\n\u003c\/p\u003e\n\u003cp\u003e\n  With pre-defined parameter sets for full- and semi-displacement hulls, planing hulls, sterndrives, and sailboats - plus a dedicated Work Mode for commercial fishing boats, towboats, and workboats - the SP-38 is ready for virtually any vessel and operation type. Proportional Rate Control (PRC) ensures smooth, gentle steering response, while Nav Mode with Automatic Leeway Compensation (ALC) keeps you precisely on track regardless of drift, tide, or wind. This core pack includes the Flux Gate Compass and Rotary Feedback unit, but does not include a hydraulic pump.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntelligent Steering Technology (IST):\u003c\/strong\u003e Learns vessel characteristics over time and self-tunes for optimum steering performance on any hull type.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-Defined Hull Parameter Sets:\u003c\/strong\u003e Built-in profiles for full-displacement, semi-displacement, planing hulls, sterndrives, and sailboats - plus a special Work Mode for commercial and fishing vessels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProportional Rate Control (PRC):\u003c\/strong\u003e Delivers smooth, gentle steering response to reduce wear on steering systems and improve passenger comfort.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNav Mode with Automatic Leeway Compensation (ALC):\u003c\/strong\u003e Adaptive track steering that automatically corrects for the effects of drift, tide, and wind.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e9-Level Backlit LCD Display:\u003c\/strong\u003e Bright, readable display with a Red Night Palette mode to protect operator night vision.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNMEA 2000 \u0026amp; NMEA 0183 Compatible:\u003c\/strong\u003e Fully compatible with onboard NMEA N2K devices and most existing steering systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Station Capability:\u003c\/strong\u003e Supports up to 4 stations with security station lock and output for optional analog rudder angle indicator.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePORT \u0026amp; STBD Dodge Buttons:\u003c\/strong\u003e Dedicated collision avoidance buttons for quick manual course corrections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage: 10-30 VDC:\u003c\/strong\u003e Flexible power input suitable for 12V and 24V vessel electrical systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptional Bow-Thruster Interface:\u003c\/strong\u003e Available for precision drift fishing and hands-free station keeping.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSI-TEX 2-Year Warranty:\u003c\/strong\u003e Backed by SI-TEX's standard 2-year manufacturer warranty for commercial-grade confidence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eModels \u0026amp; Which to Choose\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSP38-2 (This Listing - No Pump):\u003c\/strong\u003e The core pack including Flux Gate Compass and Rotary Feedback, without a hydraulic pump. Best for captains who already have a compatible hydraulic steering pump installed or who are sourcing their pump separately.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSP38-4:\u003c\/strong\u003e A core pack configuration with Flux Gate Compass and Rotary Feedback. Suited for vessels with specific pump or drive requirements - contact us to confirm the right fit for your setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSP38-17:\u003c\/strong\u003e An expanded configuration of the SP-38 system. Ideal for vessels requiring a more complete out-of-the-box solution - contact us for full component details.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSP38-18:\u003c\/strong\u003e The most fully featured SP-38 package configuration. Best for captains who want the most complete autopilot solution with maximum compatibility and minimal additional sourcing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eShips free! Please email us at service@omahasportsandgames.com for a delivery ETA or to confirm shipping details.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSP-38 Autopilot Control Head\/Display Unit\u003c\/li\u003e\n  \u003cli\u003eFlux Gate Compass\u003c\/li\u003e\n  \u003cli\u003eRotary Feedback Unit\u003c\/li\u003e\n  \u003cli\u003eMounting hardware and wiring harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: No hydraulic pump is included with this core pack. A compatible pump must be sourced separately.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cp\u003e\n  The SI-TEX SP-38 is trusted by commercial captains and professional mariners who demand reliable, intelligent autopilot performance on the water. Its self-learning IST system means the more you use it, the better it performs - adapting to your specific vessel over hundreds of hours at sea. Whether you're running long offshore passages, working commercial fishing grounds, or towing on inland waterways, the SP-38 is engineered to handle the demands of daily professional use without compromise.\n\u003c\/p\u003e\n\u003cp\u003e\n  With multi-station capability, NMEA 2000 network integration, and a rugged backlit display with night vision protection, every detail is designed around the working captain's needs. SI-TEX has been a trusted name in marine electronics for decades, and the SP-38 carries that legacy forward with a feature set that rivals far more expensive systems. Backed by a 2-year warranty and built for vessels up to 150 feet, this is autopilot technology you can count on voyage after voyage.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eView Product Specs\u003c\/strong\u003e\u003c\/summary\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n  \u003ctr\u003e\n\u003cth\u003eOperating Voltage\u003c\/th\u003e\n\u003ctd\u003e10 to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003ePower Consumption\u003c\/th\u003e\n\u003ctd\u003eAverage 0.5 Amps; 3 Amps Peak\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eDrive Output\u003c\/th\u003e\n\u003ctd\u003e20 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eNetwork\u003c\/th\u003e\n\u003ctd\u003eNMEA 2000 \u0026amp; Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eNavigational Interface\u003c\/th\u003e\n\u003ctd\u003eNMEA 0183 \u0026amp; NMEA 2000 Input\/Output\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eNMEA 0183 Output\u003c\/th\u003e\n\u003ctd\u003eHeading (10x per sec), Autopilot Status (1x per sec)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eHeading Reference\u003c\/th\u003e\n\u003ctd\u003eFluxgate, Magnetic Compass, NMEA Compass, or Sat Compass\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eCourse Resolution\u003c\/th\u003e\n\u003ctd\u003e1 degree\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eCourse Detection\u003c\/th\u003e\n\u003ctd\u003e0.5 degree\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eVessel Size\u003c\/th\u003e\n\u003ctd\u003eUp to approximately 150 ft LOA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e2-Year SI-TEX Manufacturer Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003ePump Included\u003c\/th\u003e\n\u003ctd\u003eNo (Core Pack Only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eManuals \u0026amp; Guides\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eView All Documents\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1724\/7681\/files\/172286905516215288371591282492Sitex_SP38_Features__Benefits.pdf?v=1792535107\" target=\"_blank\" title=\"Product Specifications\"\u003eProduct Specifications\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1724\/7681\/files\/172286910216215288701591282492SP38_Remotes_Installation_Operation_Manual_FINAL_V1r1.pdf?v=1792535111\" target=\"_blank\" title=\"NMEA-0183 Installation Guide\"\u003eNMEA-0183 Installation Guide\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1724\/7681\/files\/172286912616215290111591272208Sitex_SP-38_Installation___Operation_Man._Ver_2r0__LR.pdf?v=1792535115\" target=\"_blank\" title=\"Product Manual\"\u003eProduct Manual\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1724\/7681\/files\/172286915616215290281592239388Sitex_SP38_Features__Benefits.pdf?v=1792535119\" target=\"_blank\" title=\"SP-38 Features \u0026amp; Benefits Guide\"\u003eSP-38 Features \u0026amp; Benefits Guide\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes this pack include a hydraulic pump?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eNo - the SP38-2 is a core pack that includes the autopilot control head, Flux Gate Compass, and Rotary Feedback unit. A compatible hydraulic steering pump must be sourced separately. If you need a complete pump-included package, please contact us to discuss the other SP-38 model configurations.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat size vessels is the SP-38 designed for?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThe SI-TEX SP-38 is designed for powerboats and commercial vessels up to approximately 150 feet LOA. It supports a wide range of hull types including full-displacement, semi-displacement, planing hulls, sterndrives, and sailboats, as well as commercial workboats, fishing vessels, and towboats via its dedicated Work Mode.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the SP-38 compatible with my existing NMEA devices?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eYes. The SP-38 is fully compatible with onboard NMEA 2000 (N2K) network devices and supports NMEA 0183 input and output as well. It also connects via Ethernet, making it compatible with most modern marine electronics systems and chart plotters.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I add remote control stations?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eYes. The SP-38 supports multi-station capability with up to 4 stations, and includes a security station lock feature. A selection of remote-control units is available and can be connected via the NMEA 2000 network. An output for an optional analog rudder angle indicator is also included.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is Intelligent Steering Technology (IST)?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eIST is SI-TEX's proprietary adaptive steering algorithm. It monitors your vessel's steering behavior over time and continuously adjusts autopilot parameters for optimal performance. Rather than relying solely on manual tuning, IST learns your specific hull's response characteristics, resulting in smoother, more accurate course-keeping the more you use it.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is Automatic Leeway Compensation (ALC)?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eAutomatic Leeway Compensation (ALC) is a feature in Nav Mode that automatically detects and corrects for the effects of current, tide, and wind pushing the vessel off course. Instead of requiring manual heading adjustments, ALC continuously trims the course to keep the vessel precisely on its intended track.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/AF2i962nm0U\" frameborder=\"0\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\n","brand":"Si-Tex","offers":[{"title":"SP38-2","offer_id":57019071922481,"sku":"SP38-2","price":6245.0,"currency_code":"USD","in_stock":true},{"title":"SP38-4","offer_id":57019071955249,"sku":"SP38-4","price":5645.0,"currency_code":"USD","in_stock":true},{"title":"SP38-17","offer_id":57019071988017,"sku":"SP38-17","price":4845.0,"currency_code":"USD","in_stock":true},{"title":"SP38-18","offer_id":57019072020785,"sku":"SP38-18","price":6945.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1724\/7681\/files\/172286903316214527571591381111SP-38_updated.jpg?v=1792535124","url":"https:\/\/omahasportsandgames.com\/products\/si-tex-sp-38-commercial-autopilot-system-with-flux-gate-compass-rotary-feedback","provider":"Omaha Sports \u0026 Games","version":"1.0","type":"link"}