Garmin GHP Reactor Series and Autopilot Systems

Experience total control on the water with Garmin GHP Reactor Series Autopilot Systems, designed for both powerboats and sailboats.

Featuring the Reactor 40, Reactor 40 Steer-by-Wire, and Reactor 40 Hydraulic models, these advanced systems deliver precise heading hold, responsive course correction, and seamless integration with Garmin chartplotters and networked instruments.

Whether navigating open waters or maintaining a steady heading in challenging conditions, Garmin’s solid-state AHRS technology ensures smooth performance and reduced power consumption for safer, smarter boating.

Garmin | Blog Posts

  • Discover how Garmin LiveScope real-time sonar transforms fishing. Learn how it works, compare it to traditional sonar, and find compatible Garmin chartplotters like the GPSMAP 1223 and ECHOMAP Ultra.

    Explained: Garmin LiveScope

    Learn how LiveScope works, compare it to traditional sonar, and find compatible Garmin chartplotters like the GPSMAP 1223 and ECHOMAP Ultra.

    Explained: Garmin LiveScope

    Learn how LiveScope works, compare it to traditional sonar, and find compatible Garmin chartplotters like the GPSMAP 1223 and ECHOMAP Ultra.

  • The Garmin ActiveCaptain App connects your boat and smartphone, giving you full control of your Garmin chartplotter, Livescope sonar, and fishing electronics from anywhere.

    Garmin Marine App and ActiveCaptain

    The Garmin ActiveCaptain App connects your boat and smartphone, giving you full control of your Garmin chartplotter, Livescope sonar, and fishing electronics from anywhere. Learn how to plan routes, update...

    Garmin Marine App and ActiveCaptain

    The Garmin ActiveCaptain App connects your boat and smartphone, giving you full control of your Garmin chartplotter, Livescope sonar, and fishing electronics from anywhere. Learn how to plan routes, update...

  • Let’s take a closer look at some of Garmin’s hidden gems — radar integration, chart alerts, AIS support, autopilot connectivity, and geo-fencing — and how these features enhance real-world boating safety.

    Marine Safety & Navigation Features in Garmin U...

    Garmin chartplotters are more than sonar screens — they’re advanced safety systems. Learn how radar, AIS, autopilot, and geo-fencing features keep you protected and confident on the water.

    Marine Safety & Navigation Features in Garmin U...

    Garmin chartplotters are more than sonar screens — they’re advanced safety systems. Learn how radar, AIS, autopilot, and geo-fencing features keep you protected and confident on the water.

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