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Marine Autopilot

Autopilots by boat type

Autopilots for planing power cruisers

Compare autopilots for planing power cruisers and sportsfishers. Check hydraulic pump capacity, voltage, second stations and Australian installation budgets.

Steering
Hydraulic; some power-assisted or steer-by-wire
Displacement
6,000–35,000 kg
Recommended
4 systems
Examples
Riviera 39–52, Maritimo M50–M64, Caribbean 35–50

Planing cruisers and sportsfishers run hydraulic steering almost without exception, which makes the autopilot choice about pump size, voltage and integration rather than drive type. Most Australian-built boats of this kind leave the factory with a Garmin, Simrad or Raymarine pilot; refits and older imports are where the decision arises.

At 20–30 knots an autopilot that holds a straight wake is a fuel saving as well as a comfort. Route following through traffic, however, is where these boats get into trouble, because the closing speeds are high and the pilot does not see the fishing boat with no AIS.

Riviera 39–52Maritimo M50–M64Caribbean 35–50Whittley CRSea Ray and CruisersBlack WatchMustang

Pump sizing and voltage

Pumps are sized to the steering cylinder volume and the you want. A planing hull needs a faster hard-over than a displacement cruiser, so installers pick a larger pump. Above about 12 m most cruisers run 24 V house systems, and every major brand offers 24 V pumps and course computers (Raymarine ACU-200/400, Simrad NAC-3, Garmin selected pumps, Furuno 711C).

Second stations and remotes

Flybridge boats need a control head at each station, or one head and a wireless remote. Garmin's GHC 50 and GPSMAP, Simrad's AP44/AP48 with NSS, and Raymarine's p70Rs with Axiom all support multiple stations on the network. Make sure Standby is one press away at every station.

  • Garmin Reactor 40 with 2.0 L pump and Shadow Drive; GPSMAP at each station
  • Simrad NAC-3 with AP44/AP48 and NSS; depth contour and turn patterns
  • Raymarine EV-200 or EV-400 Power with p70Rs and Axiom
  • Furuno NavPilot 711C for long-range and commercial-style operation

Route following at speed

The temptation on a fast boat is to set a route and let the pilot run it. The pilot will turn at every waypoint whether or not something is in the way. Treat route following as an aid to a watch, not a substitute, and set the turn-warning alarm so the helm confirms each waypoint. Inside Moreton Bay's channels and off Sydney's heads the traffic density makes this essential.

Wake and speed

A pilot correcting hard at 25 knots throws the boat about. Tune response down on flat water and keep speed sensible in a following sea; most planing hulls need the helm at speed in a big quartering swell.

Recommended

Systems that suit planing power cruisers

GarminGarmin Reactor 40 (Hydraulic, Mechanical, Steer-by-wire and Sail) →

Shadow Drive and plotter integration make it the sportsfisher favourite.

SimradSimrad AP44 with NAC-2 or NAC-3 →

Common factory fit on Australian cruisers; depth contour tracking for fishing.

RaymarineRaymarine Evolution EV-200 (Sail and Power) →

The Power pack with a Type 1 pump suits mid-size cruisers on Raymarine networks.

FurunoFuruno NavPilot 711C →

For long-range and 24 V vessels with a commercial flavour.

Avoid
  • Undersized pumps that give a lazy hard-over on a planing hull
  • One control head on a flybridge boat
  • Blind route following in traffic

Questions

Frequently asked

Does my boat need a rudder reference?

Garmin and Simrad VRF packs work without one; Raymarine recommends one on hydraulic systems; Furuno uses Fantum Feedback on suitable boats. Larger cruisers with big cylinders generally benefit from a rudder reference regardless of brand.

Can the autopilot use joystick or steer-by-wire systems?

Yes, with the right pack. Garmin's Steer-by-wire pack supports Yamaha Helm Master, Volvo Penta, Mercury and SeaStar Optimus; other brands have equivalent interfaces. The engine or steering supplier usually specifies which.

Autopilot commissioning and boat-specific training

Every boat type above ends with the same advice: a handover on the water, a settings card, alarms set and a failure drill. The training section explains what good instruction looks like and where to find it.