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Marine Autopilot

Independent advice. Australian waters.

Marine autopilots
Australia.

Find the right marine autopilot for your boat, your waters and the way you sail. Independent comparisons, practical installation advice and the skills to take the helm with confidence.

IndependentNo affiliate links23 systems41 guidesAll coastal states

New and specialist autopilot models

Compare Garmin SmartDrive, Simrad NAC-D Performance, Furuno NAVpilot-1000 and B&G H5000. Check pack contents and steering compatibility before requesting a quote.

23
Autopilot systems covered, from tiller pilots to specialist controlsAUD, before installation
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Boats an autopilot can see. The lookout stays with the skipper under Rule 5
1–3 A
Typical draw of a below-deck drive on a cruising yacht under way
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Australian state and regional guides with local conditions and training

How it works

How marine autopilot components control steering

Understand the sensor, the course computer, the drive and the rudder reference and every other decision on this site gets easier.

AI illustration of generic marine electronics and tools arranged for installation planning
The installation starts with the whole system. AI-created equipment illustration.
How the parts of a marine autopilot connectWind sensor and GPS feed the network. The heading sensor feeds the course computer, which drives the drive unit that moves the rudder. A rudder reference reports rudder angle back. Control head and chartplotter sit on the network.NMEA 2000 / SeaTalkng backboneWind sensorapparent wind angleGPS / plotterposition, route, XTEControl head / MFDengage, adjust, StandbyHeading sensornine-axis / satelliteCourse computergain, modes, limits, alarmsDrivelinear, wheel, pumppowerRudderrudder reference: actual rudder angle
The sensor tells the computer where the bow points; the computer decides on rudder; the drive moves it; the rudder reference reports back. Wind and GPS on the network unlock Wind, Track and No Drift modes. Nothing in this loop sees another boat.
  • The heading sensor tells the computer where the bow points; nine-axis units stay stable while the boat rolls.
  • The course computer compares heading with target and decides how much rudder to apply.
  • The drive moves the rudder: tiller push-rod, wheel belt, linear ram, rotary sprocket or hydraulic pump.
  • Wind and GPS on the network unlock Wind, Track and No Drift modes.

Training

Marine autopilot training and manual takeover

An autopilot can take much of the steering workload, but its modes, limits and override still need to be learned. Here is what good instruction covers.

01

Modes nobody understands

Owners engage Auto and never learn Wind, Track or No Drift, so the pilot fights the sails on a reach and drifts across channels in a tide. Others switch modes without understanding what happens when they disengage.

02

Tuning by guesswork

Gain, rudder gain, counter rudder and response are adjusted at random until the boat stops S-ing, then never touched again. The pilot hunts, wears the drive and drains the battery.

03

The lookout that lapses

The most dangerous habit an autopilot creates is the belief that someone is steering. Nobody is. Rule 5 requires a proper lookout at all times and investigations into collisions keep finding an engaged pilot and an empty cockpit.

Australia

Marine autopilot guides by Australian location

Seven state guides and fourteen regional guides: local wind, tide, bars, traffic, the fleet, recommended systems and where to get instruction.

AI illustration of a sailing yacht passing a wooded Australian-style headland
Plan for your local water, then the passage beyond it. AI-created coastal illustration.

Questions

Marine autopilot frequently asked questions

What does a marine autopilot actually do?

It holds a heading, a wind angle or a route by moving the rudder for you. It measures where the bow points, compares that with where you asked it to point, and applies rudder. It does not see other boats, whales, reefs or containers, and it does not keep a lookout.

Do I need an autopilot for coastal sailing in Australia?

Not legally, but almost every cruising yacht and offshore fishing boat has one because it removes the fatigue of hand-steering and frees a crew member to navigate, trim and keep watch. For singlehanded and two-handed sailing it is effectively essential.

What is the difference between a tiller pilot and an autopilot?

A tiller pilot is a small self-contained autopilot for tiller-steered boats, mounted in the cockpit. An autopilot is the general term; most people use it for the below-deck systems with a separate sensor, computer, drive and control head.

Can an autopilot steer to the wind?

Yes, if it receives wind data from a wind sensor. Wind mode holds an angle to the apparent or true wind instead of a compass heading, which keeps the sails set as the wind shifts.

How accurate is an autopilot?

A modern nine-axis system on a balanced boat holds a heading within a degree or two in moderate conditions and steers a straighter course than most humans over an hour. In a big following sea it will wander, and a wheel pilot or tiller pilot wanders more than a below-deck drive.

Does an autopilot work under motor?

Electronic autopilots work under motor and under sail. Windvane self-steering works only under sail because it needs wind.

All 45 questions

Find an autopilot for your boat

Answer five questions about the boat and the finder gives you a reasoned shortlist. Then read the training section before you buy anything, because the pilot you can use safely is worth more than the pilot with the best brochure.