SI-TEX - SP38 Autopilot Corepack Rotary Feedback
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Advanced Marine Autopilot System for Precision Navigation
The SI-TEX SP38 Autopilot Corepack is a state-of-the-art navigation solution designed for professional and recreational marine applications. Equipped with Intelligent Steering Technology (IST), this system enhances vessel steering capabilities by learning and adapting to various sea conditions and vessel speeds. Its adaptive steering technology ensures smooth and precise control, making it an excellent choice for fishing boats, offshore vessels, workboats, towboats, and yachts.
With its 5.7-inch sunlight-viewable LCD display, the SP38 provides clear, real-time navigation data while offering multiple operational modes, including NAV Mode for precise track steering and WORK Mode for heavy-duty marine use. The system also features Automatic Leeway Compensation (ALC), which adjusts for drift, tide, and wind, ensuring optimal navigation efficiency.
Engineered for seamless integration, the SP38 is fully compatible with NMEA 2000, Ethernet, and NMEA 0183 interfaces, allowing for connectivity with a variety of onboard instruments and steering systems. Security is reinforced with multi-station capability and station lock, providing reliable and controlled operation in all marine environments.
Cutting-Edge Technical Specifications
- Operating Voltage: 10 to 30 VDC
- Power Consumption: 0.5 Amps average, 3 Amps peak
- Drive Output: 20 Amps
- Networking: NMEA 2000 & Ethernet compatibility
- Navigational Interface: NMEA 0183 Input/Output
- NMEA 0183 Output: Heading (10x per second), Autopilot Status (1x per second)
- Heading Reference Compatibility: Fluxgate, Magnetic Compass, NMEA Compass, or Sat Compass
- Course Resolution: 1°
- Course Detection: 0.5°
Durable and High-Performance Design
Built for marine durability, the SI-TEX SP38 Autopilot features IP67-rated waterproof components, ensuring resilience against harsh marine conditions. The 9-level backlit LCD display provides excellent visibility, including a red night mode to protect operator night vision.
For enhanced customization, the system offers predefined parameter sets tailored for full or semi-displacement hulls, planing hulls, stern drives, and sailboats. Additionally, adjustable yaw, turn rate, and rudder settings allow users to fine-tune the autopilot for maximum performance.
Key Features at a Glance
- IST – Intelligent Steering Technology for superior vessel control
- Adaptive Steering for varying sea conditions and speeds
- Auto-Setup for seamless configuration and calibration
- NAV Mode for precise track steering and WORK Mode for commercial applications
- PRC – Proportional Rate Control for smooth and controlled turns
- Automatic Leeway Compensation (ALC) for drift, tide, and wind adjustments
- Multi-language interface for global usability
- Compatible with onboard instruments and steering systems
- Optional Z-Drive interface for 360-degree Azimuth drive compatibility
- Optional Automatic Bow-Thruster Control for hands-free Sabiki Fishing and station keeping
The SI-TEX SP38 Autopilot Corepack is a top-tier choice for marine professionals and recreational boaters seeking precision, durability, and seamless integration with existing vessel systems. Designed for easy operation and long-term reliability, it delivers exceptional steering performance in all maritime environments.
Shipping
We ship worldwide from the United States. Rates are calculated at checkout based on destination and package weight. Some items include free shipping, which will show automatically. Not every product is eligible for international shipping; checkout will confirm eligibility. We do not ship to PO Boxes except through USPS, and not all packages qualify.
Processing and dispatch
Most orders are verified, packed, and handed to the carrier within 1 to 2 business days. Some products may need extra handling time or ship directly from the manufacturer. For certain international orders, inventory transfers between warehouses may add time. If any delay is expected, we will let you know the dispatch date.
Delivery and tracking
Deliveries are handled by trusted carriers such as USPS, UPS, FedEx, and DHL. Estimated arrival times appear at checkout and depend on your location and the service you choose. These are estimates and can be affected by customs or carrier disruptions. A shipping confirmation with a tracking link is emailed when your order ships, and tracking may take up to 24 hours to update. You can also view tracking in your account.
Duties, taxes, and support
International customers are responsible for any customs duties, taxes, and fees charged by the destination country. If these charges are refused and a shipment returns to us, the carrier’s return cost and any re-entry customs fees will be deducted from the refund. If your order is late or you need help, contact cs@qualityboatparts.com and we will assist you.
Quality Boat Parts is a reseller. Many items include a manufacturer’s warranty, and all warranty service is handled directly by the manufacturer. We do not manage or administer warranty claims on behalf of customers.
Warranty terms, coverage, and duration are set by each manufacturer. Issues involving defects, repairs, or replacements must be addressed with the manufacturer’s support team. When available, the warranty period is listed on the product page. If it is not shown, contact us or the manufacturer for details before purchasing.
To start a claim, the customer must contact the manufacturer and follow their process. Keep your proof of purchase and original packaging, and register the product if the manufacturer requires it, as these are often needed for warranty service.
We are happy to help you find the right contact or documentation, but we cannot decide outcomes or intervene in claim resolutions. For guidance, email cs@qualityboatparts.com.