Autopilot
A yacht autopilot is an electronic control system that automatically steers the vessel along a set heading or route, integrating with the GPS, chartplotter and compass. On superyachts, autopilots from Raymarine, Furuno or Simrad form the backbone of long-passage helm operation, freeing crew while maintaining precise course-keeping.
What is a yacht autopilot?
An autopilot is an electronic control system that automatically steers a vessel along a set heading or pre-planned route, removing the need for continuous manual input at the wheel. On a modern superyacht it is one of the most heavily used pieces of navigation equipment, particularly on passages of more than a few hours. The autopilot reads heading information from a gyrocompass or fluxgate compass, position and route data from the GPS and chartplotter, and rate-of-turn data from a dedicated sensor, then commands the steering gear to keep the yacht on course.
Most installations offer several operating modes. Heading hold keeps the yacht on a fixed compass bearing. Track follow steers along a route loaded in the chartplotter, automatically turning at each waypoint. No-drift mode uses GPS position rather than compass heading to maintain a straight ground track, compensating for tide and leeway. Wind hold, common on sailing yachts, steers a constant angle to the apparent or true wind. Higher-end systems also offer pattern modes for fishing or search-and-rescue work.
Leading suppliers in the superyacht segment include Raymarine, Furuno and Simrad at the smaller end, and Sperry Marine and Anschutz on commercial-grade installations fitted to larger yachts. Integration with the bridge's voyage-management system, ECDIS and engine controls is now expected on new builds above roughly 40 metres.
Why it matters for yacht owners
For any owner whose programme includes ocean crossings or extended coastal passages, autopilot performance is a direct quality-of-life and safety issue. A well-tuned autopilot reduces watchkeeping fatigue, holds tighter courses than a tired helmsman, saves fuel through smoother steering and integrates cleanly with collision-avoidance and route-planning tools. Owners commissioning a refit or new build should expect their bridge integrator to specify a system appropriate to the yacht's size and intended cruising area, with redundancy on critical sensors and a documented hand-back to manual steering in the event of failure.
Key facts
- An autopilot automatically steers the yacht along a set heading or pre-planned route, reading data from compass, GPS and rate-of-turn sensors.
- Typical modes are heading hold, track follow, no-drift (GPS ground track) and, on sailing yachts, wind hold.
- Track-follow mode automatically navigates between waypoints loaded in the chartplotter, turning at each one.
- Leading brands at the superyacht level include Raymarine, Furuno and Simrad, with Sperry Marine and Anschutz fitted to larger commercial-grade installations.
- Integration with ECDIS, radar overlay and engine controls is standard on new builds above roughly 40 metres.
- A watch alarm or off-course alarm is a regulatory requirement on commercial and large yachts to ensure the bridge is manned and alert.
- Autopilots reduce crew fatigue on long passages and typically hold tighter courses than manual steering, with measurable fuel savings.
- The autopilot does not replace lookout duties or collision avoidance; a watchkeeper remains responsible at all times.
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View moreFAQ
How does a yacht autopilot actually work?
The autopilot continuously compares the yacht's actual heading or ground track against the set value, calculates the steering correction needed and commands the steering gear accordingly. It draws heading data from a gyrocompass or fluxgate compass, position data from GPS, and rate-of-turn data from a dedicated sensor. Modern systems use adaptive algorithms that learn the yacht's response characteristics in different sea states, so steering becomes tighter and more economical the longer the autopilot is engaged on a given passage.
What is the difference between heading hold and track follow?
Heading hold keeps the yacht pointing at a fixed compass bearing, useful in open water with no specific destination, but the yacht will drift sideways with tide and wind. Track follow steers along a route loaded in the chartplotter, automatically adjusting heading to stay on the line between waypoints and turning at each one. For coastal and ocean passage-making, track follow is the more practical mode because it compensates for set and drift; heading hold remains useful for short-term course keeping.
Is it safe to leave the autopilot engaged unattended?
No. The autopilot steers the yacht but does not see other vessels, navigation marks, fishing gear or floating debris. A trained watchkeeper must remain on the bridge at all times the autopilot is engaged, monitoring radar, AIS and the visual horizon, and ready to override the system manually. Most commercial and large-yacht installations include a bridge watch alarm that requires the watchkeeper to acknowledge the system periodically, alerting other crew if the bridge is unattended.
Which autopilot brands are used on superyachts?
At the smaller end of the superyacht market, on yachts up to roughly 40 metres, Raymarine, Simrad and Furuno are the dominant choices, often supplied as part of an integrated bridge package. On larger yachts the systems are typically Sperry Marine or Anschutz, which originate in the commercial shipping sector and offer the redundancy and integration with ECDIS, gyro and steering gear required under SOLAS for vessels over 500 gross tonnes. The choice is normally driven by the bridge integrator and the vessel's flag-state requirements.
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