The Garmin Reactor™ 40 Steer-by-wire Standard Corepack with GHC™ 50 Autopilot Instrument (PN: 010-02794-03) is a modern autopilot solution engineered for vessels utilizing electronic steer-by-wire systems, including SeaStar Optimus, Yanmar Marine ZT370, and ZF 2800 Pod drives. Powered by an integrated solid-state 9-axis Attitude Heading Reference System (AHRS), the Reactor 40 CCU minimizes heading drift, course errors, and overall power consumption while maintaining precise course-holding performance in heavy seas and rolling conditions. This upgraded corepack features the Garmin GHC™ 50 autopilot instrument—a high-resolution, 5-inch WVGA touchscreen display with edge-to-edge glass and an anti-glare finish designed to complement modern Garmin GPSMAP® glass-helm setups. Connected via an NMEA 2000® network, the system allows for fast commissioning, seamless parameter sharing across onboard MFDs, and advanced control modes including Auto Guidance+™ routing, wind hold, and step turns.
In the Box
- Reactor 40 CCU (Course Computer Unit)
- GHC™ 50 helm control display
- CCU cable
- Buzzer
- NMEA 2000® drop cables (2 meters)
- NMEA 2000 power cable
- NMEA 2000 T-connectors
- Male and female terminators
- Documentation


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