Core Pack vs Complete Autopilot Pack: Compare

What 'pack' means on an autopilot listing

An autopilot listing on this site is almost always a pack, not a single part. The pack title tells you whether it is a core pack or a complete pack, and the bullet list underneath gives the exact contents. The buying guides use two filters: 'drive in the box' and 'control head in the box'. These two filters are the quickest way to separate a core pack from a complete pack.

Core pack and complete pack are terms used across the industry, though each maker may label them differently. On this site, a core pack is a bundle that includes the essential electronics for steering, such as the actuator control unit and heading sensor, but leaves the control head out. A complete pack includes the control head as part of the box.

What a complete autopilot pack includes

Raymarine's autopilot packs page lists complete systems like the EV-100 Tiller Autopilot, EV-100 Wheel Pilot, and EV-200 Power Pilot. These pack names refer to the whole bundle, and the page separates out the components you would add: autopilot control heads, actuator control units (ACU), drive units, and sensors.

A complete autopilot pack typically includes all four of those pieces: a drive unit to move the steering, an actuator control unit to process commands, a heading sensor to measure the boat's direction, and a control head for the user interface. Some packs also include the network cables you need to connect them.

What a core autopilot pack leaves out

Core packs stop short of the control head. The name 'core' signals that you get the steering brain and the drive, but the interface is your responsibility. You might already own a compatible control head from an older autopilot, or you might plan to use a multifunction display as the operator panel.

Some core packs also omit the drive. If you are keeping the existing drive on your boat, a core pack without a drive is the right listing; the learn article core pack without drive explains that option in detail.

Either way, the bullet list on the listing is the only reliable way to see what is in the box. The maker's page may also show the pack contents, but the listing's stated details are what this site compares.

How to choose between a core pack and a complete pack

Start with the control head. Do you already have one that works with the rest of the system? If yes, a core pack lets you reuse it. If you are buying everything new, a complete pack means fewer decisions and fewer boxes to match.

Next, look at the drive. The drive must match the steering type: hydraulic, mechanical, tiller, or wheel. If your boat already has a drive in good condition, you can save money and effort by choosing a core pack without a drive. If you need a new drive, a complete pack with the drive in the box is simpler.

You also need to think about the sensor. Most packs include a heading sensor, but it is worth checking the bullet list because some listings expect you to provide one from an existing network. The control head options article goes deeper into the interface side.

To compare a core pack with a complete pack, read the bullet list on each listing. The stated details tell you which components are in the box. The best autopilot core packs guide covers bundles without a control head, while the best complete autopilot packs guide covers systems with a control head. You can also check the best autopilots with control head guide if the operator panel matters most.

Questions to ask before you order

Before ordering, ask these questions of the listing and the maker's page: Is the control head listed as included? Is the drive unit in the box, or is it a separate purchase? Which heading sensor is part of the pack? What cables are supplied, and what do I need to buy? Does the pack require a rudder reference unit?

Installation is a separate matter. The maker's manual covers the steps, and a qualified installer or dealer should handle the wiring and calibration. For planning the installation, review the installation skills article. The autopilot does not replace a lookout; the U.S. Coast Guard's Boating Safety page reminds you to keep watch and follow safe operation practices.

What to pick for your situation

Questions

What is a core autopilot pack?

A core autopilot pack is a bundle that includes the essential steering electronics, such as the actuator control unit and heading sensor, but omits the control head. Some core packs also leave out the drive, letting you keep an existing drive or choose one separately. For a list of core packs, see the best autopilot core packs guide.

What is a complete autopilot pack?

A complete autopilot pack adds the control head to the bundle. It typically includes the drive, actuator control unit, heading sensor, control head, and the cables needed to connect them. The exact contents are listed in the bullet list on each listing. The best complete autopilot packs guide compares such systems.

Can I add a control head to a core pack later?

Yes. The control head is a separate component, and most makers sell compatible heads individually. Check the maker's page for the list of control heads that work with the core pack's ACU and sensor. The control head options article explains what to look for.

Do core packs include a heading sensor?

Most core packs include a heading sensor, but it is not universal. Some listings expect you to supply a heading source from an existing network. The bullet list on the listing tells you exactly what is in the box. If you are uncertain, ask the dealer or consult the maker's page.

Is a complete pack always the best choice?

Not always. If you already have a compatible control head, a complete pack forces you to buy a duplicate. If you are starting fresh or want a single package, a complete pack saves you from matching parts yourself. Use the best autopilots with control head guide to compare options.

Does the drive matter when choosing between core and complete packs?

Yes. The drive must match your boat's steering type, such as hydraulic, mechanical, tiller, or wheel. The listing states whether a drive is in the box, and the maker's page lists the drive options that fit your steering system. The autopilot drive types article explains the differences.