Imagine cruising through choppy waters or navigating tight coastal passages without constantly adjusting the helm. The Garmin Reactor 40 steer-by-wire corepack, tailored for Yamaha Helm Master systems, delivers that effortless control. Paired with the GHC 50 autopilot instrument, it transforms your yacht into a self-steering powerhouse, letting you focus on the horizon, your guests, or simply enjoying the ride.
Engineered for precision in demanding marine environments, this system leverages cutting-edge solid-state technology to maintain your course amid swells, rolls, and pitches. Boaters rave about its intuitive setup and responsive performance, making it a game-changer for weekend warriors and long-range explorers alike.
Key Features That Set It Apart
Flexible Mounting Anywhere: The solid-state 9-axis AHRS (Attitude Heading Reference System) allows installation in virtually any location and orientation on your vessel. No more wrestling with traditional gyrocompass constraints—say goodbye to heading drift and power-hungry setups.
Reactive Sea State Management: Advanced algorithms continuously adapt to boat motion, ensuring rock-solid course holding even in rough conditions. Whether you’re battling crosswinds or beam seas, it keeps you steady.
Streamlined Calibration: Skip the hours-long commissioning hassles. Reactor 40’s smart setup gets you up and running in minutes, so you spend less time tinkering and more time on the water.
Full-Boat Control Integration: Pair it with compatible Garmin chartplotters for wireless command from helm stations, cockpits, or even your wrist via select marine smartwatches. Access powerboat modes like heading hold and step turns, or unlock sailing-specific features with a wind sensor.
Enhanced GHC 50 Display: The included GHC 50 provides a crisp, dedicated interface for autopilot adjustments, mode selection, and status monitoring—right where you need it.
Wind hold, tack/jibe automation, and route-following capabilities elevate your boating experience, blending autopilot reliability with Garmin’s ecosystem for smarter navigation.
Why Boaters Choose Reactor 40 for Yamaha Helm Master
This isn’t just an autopilot; it’s a seamless extension of your Yamaha digital steering. The dedicated Yamaha Gateway ensures plug-and-play compatibility, eliminating guesswork during integration. Reduce crew fatigue on extended trips, boost fuel efficiency through precise steering, and navigate with confidence knowing it’s built to withstand the harshest saltwater exposure.
Real-world users highlight its low power draw and minimal maintenance needs, making it ideal for luxury yachts where reliability meets sophistication. From fishing charters to family cruisers, it handles diverse applications with pro-level accuracy.
Technical Specifications
CCU (Course Computer Unit) Specifications
Dimensions
3 19/32″ diameter (91.4 mm)
Weight
5.6 oz (159 g)
Temperature Range
From 5°F to 131°F (from -15°C to 55°C)
Case Material
Fully gasketed, high-impact plastic, waterproof to IEC 529 IPX7
CCU Cable Length
9.5 ft (3 m)
NMEA 2000 Power Input
9-16V
NMEA 2000 LEN
3 (150 mA)
Buzzer/Alarm Specifications
Dimensions (L x Diameter)
29/32″ x 1″ (23 mm x 25 mm)
Weight
2.4 oz (68 g)
Temperature Range
From 5°F to 131°F (from -15°C to 55°C)
Cable Length
10 ft (3.0 m)
Autopilot Gateway Specifications
Dimensions (L x W x H)
5 1/8″ x 2 3/8″ x 1″ (130 mm x 60 mm x 25 mm)
Weight
Less than 1 oz (28 g)
What’s Included for Easy Setup
Reactor 40 CCU (Course Computer Unit)
GHC 50 helm control display
Yamaha Gateway
CCU cable
Buzzer
NMEA 2000 drop cables (2 meters)
NMEA 2000 power cable
NMEA 2000 T-connectors
Male and female terminators
Documentation
Frequently Asked Questions
Is the Garmin Reactor 40 compatible with all Yamaha Helm Master systems?
Yes, this steer-by-wire corepack is specifically designed for yachts equipped with Yamaha Helm Master systems, ensuring smooth integration via the included Yamaha Gateway.
Can I mount the Reactor 40 CCU in any orientation?
Absolutely. Its solid-state 9-axis AHRS technology supports mounting nearly anywhere on your boat, regardless of orientation, for maximum installation flexibility.
How does the autopilot handle rough sea conditions?
The system uses advanced reactive algorithms to adjust for pitching, rolling, and waves, maintaining precise course holding even in challenging conditions.
What control options are available with the GHC 50?
Control the autopilot from compatible Garmin chartplotters, the GHC 50 display, Reactor remotes, or select marine smartwatches—giving you command from anywhere onboard.
Does it support sailing features?
When paired with a compatible Garmin chartplotter and wind sensor, it offers wind hold, tack/jibe, and other sailing modes alongside powerboat functions.
Is calibration complicated?
No—Reactor 40 features a fast, intuitive calibration process that minimizes setup time, getting you back to boating quickly.
What network does it use for connectivity?
It integrates via NMEA 2000, with included cables, T-connectors, and terminators for straightforward network setup.
