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Learn moreThe Raymarine EV-400 Sail Pilot is a high-performance below-deck autopilot system engineered for larger sailing yachts with demanding steering loads. Designed for serious cruising and offshore sailing, it delivers confident, responsive course control in challenging conditions, under sail or power.
Built around Raymarine’s Evolution™ technology, the EV-400 reacts instantly to changes in sea state, wind and boat balance. There’s no lengthy setup or calibration process. Simply power on and sail away, with smooth, accurate steering from the outset.
This system is ideal for yachts requiring a powerful mechanical drive, making it a reliable choice for heavier displacement boats and long-distance passagemaking.
Evolution™ EV Sensor Core
Continuously monitors vessel motion across all axes for precise, adaptive steering.
No Calibration Required
Automatic learning removes the need for complex setup or sea trials.
Designed for Sailboats
Optimised steering algorithms for upwind, reaching and downwind sailing.
Below-Deck Power & Precision
Supports mechanical linear and rotary drives for higher torque applications.
Intuitive Control
Supplied with the p70s sail autopilot control head for simple, clear operation.
Network Integration
Seamless connectivity via SeaTalkng and NMEA for chartplotters and instruments.
EV-1 Sensor Core
ACU-400 Actuator Control Unit
p70s Sail Autopilot Control Head
SeaTalkng Starter Kit
Drive unit not included (sold separately to suit your steering system)
The EV-400 Sail Pilot is compatible with a wide range of mechanical steering systems when paired with an appropriate linear or rotary drive. This flexibility allows the system to be tailored precisely to your yacht’s size and steering configuration.
Professional installation is recommended for optimal performance, particularly on larger yachts or complex steering setups.
Medium to large sailing yachts
Offshore and bluewater cruising
Heavier displacement boats
Skippers sailing short-handed or solo
If you want an autopilot that can confidently manage real sailing conditions, this system is built for the job.
With decades of marine electronics expertise, Raymarine autopilots are trusted by sailors worldwide. The EV-400 Sail Pilot combines proven hardware with intelligent software to deliver reliable steering when it matters most.
Does this system include a drive unit?
No. A compatible mechanical drive must be purchased separately.
Is it suitable for offshore sailing?
Yes. It’s designed for extended cruising and offshore use.
Can it integrate with wind instruments and chartplotters?
Yes, via SeaTalkng and NMEA networks.
Is professional installation required?
Strongly recommended for below-deck systems.
Does it work under engine as well as sail?
Yes. It performs reliably in both modes.

Free shipping on all U.S. orders, no spend limit.
You can return the product within 14 days.
We use recycled materials for packaging and delivery.