NAC-3 Autopilot Computer
Best high-performance autopilot solution for larger sailing vessels.
The NAC-3 Autopilot Computer is the central processing unit for your B&G autopilot system, designed to manage hydraulic steering pumps or mechanical drive units. It seamlessly interfaces with essential components like heading sensors and rudder feedback units, making it ideal for vessels over 35 feet. This robust computer supports high-current pumps and solenoid valves, offering 30 amps continuous and 50 amps peak operation. It features B&G Reflex Sailing algorithms for optimized performance and boasts a plug-and-play installation with 12/24V input and 8A continuous output.
$1699.00
Owner Satisfaction
4.6
/ 5
Category Rank
65
/ 391
#65 in Marine Electronics
Price vs Category Average
+116%
Above average
Vessel Size
35
/ Greater than feet
Who it's for
- Captains of larger vessels needing reliable, high-current steering control
- Sailors seeking a unified, seamless B&G marine electronics experience
- Cruisers prioritizing precise course holding in challenging sea conditions
Who should skip it
- Budget-conscious boaters or owners of smaller, simpler vessels
- DIY enthusiasts preferring a straightforward, plug-and-play installation process
- Owners maintaining a mixed-brand electronics setup seeking maximum flexibility
Performance breakdown
Sailing Intelligence
Reflex algorithms provide sophisticated steering logic tailored specifically for sail performance.
Installation Simplicity
Plug-and-play connectivity significantly reduces setup time for complex marine systems.
Durability
IPX7 waterproof rating ensures reliable operation in harsh, salt-heavy marine environments.
Steering Precision
Integrated rudder feedback and compass data deliver exceptionally accurate heading control.
Drive Compatibility
Robust power output handles high-current pumps for larger, demanding vessel steering.
Calibration Ease
Automatic tuning features streamline the initial setup for immediate on-water use.
Key Specs
Vessel Size
Greater than 35 feet
Waterproof Rating
IPX7
Power Input
12/24V
Continuous Output
8A
Peak Output
12A
Solenoid Output
Capable
Clutch Output
3A
Rudder Measurement
+/- 120 Degrees
Features
- Designed for vessels over 35 feet
- IPX7 waterproof rating for durability
- Plug and Play installation for ease of use
- Supports high-current pumps and solenoid valves
- Utilizes B&G Reflex Sailing algorithms
- Includes Precision-9 compass for accurate heading data
- Includes RF25 Rudder Feedback Unit for precise steering
- Easy setup with automatic tuning and calibration
What customers say
Customers consistently praise the NAC-3 Autopilot Computer for its exceptional reliability and seamless integration with existing B&G systems. Many users highlight its robust performance in varying sea conditions, providing a trustworthy navigation experience. The ease of installation and straightforward setup process are frequently mentioned, allowing boaters to quickly get underway. This unit is seen as a significant upgrade, delivering precise course holding and responsive steering, which greatly enhances the overall boating experience. Its dependable operation makes it a highly valued component for serious mariners.
Know before you buy
The NAC-3 is specifically engineered for vessels over 35 feet. It is designed to handle the higher power demands of larger steering systems, making it a robust choice for mid-to-large sized sailboats.
Yes, the package includes both the Precision-9 compass for accurate heading data and the RF25 Rudder Feedback Unit. These components work together to provide the precise steering performance required for larger vessels.
The NAC-3 is highly versatile and supports both high-current pumps and solenoid valves. With a 12/24V input and 8A continuous output, it is compatible with a wide range of standard marine steering drive units.
The system is designed for a straightforward, plug-and-play installation. Once installed, the computer features automatic tuning and calibration, which simplifies the process of getting your autopilot dialed in for your specific boat.
These algorithms are specifically tuned for sailing dynamics rather than general powerboat steering. They account for wind, waves, and sail trim to maintain a more efficient and stable course under various sailing conditions.
Yes, the NAC-3 carries an IPX7 waterproof rating. This ensures the unit remains protected even if it is exposed to water spray or temporary submersion in a marine environment.
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$1699