SIMRAD NAC-3 Autopilot Computer
The SIMRAD NAC-3 Autopilot Computer is a marine autopilot system component designed for 12/24 V operation and weighs 2.2 lbs (1 kg). It integrates with Simrad multifunction displays and supports advanced navigation for powerboats and sailboats.
Compatibility & Applications
- Pairs with Simrad NSS and NSO multifunction displays for navigation control.
- Mounts on vessels between 30-50 ft for optimal autopilot functionality.
- Integrates with NMEA 2000 networks for comprehensive data sharing.
- Replaces Simrad AP24 and AP28 autopilot computers without additional modifications.
- Fits both sailboats and powerboats, enhancing steering precision and course stability.
- Wires to 12V DC bus systems for simplified power management.
- Includes a wiring harness for easy installation.
- Utilizes with hydraulic or mechanical steering systems for versatile applications.
The unit provides precise steering and course keeping, making it a reliable choice for upgrading older autopilot systems. For instance, when replacing an older Simrad AP24 unit, the NAC-3 offers enhanced integration capabilities and IPx6 weatherproofing, ensuring durability in marine environments, distinguishing it from other generic autopilot options.







