Moitessier HAT

Raspberry Pi HAT for OpenPlotter

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Our Newcomer

We are happy to introduce to you the new Moitessier HAT for use with Raspberry Pi and compatible.

Full, open-source marine navigation features for the Raspberry Pi. And even better: Our device is officially supported by OpenPlotter – the open-source sailing platform for ARM computers.

Open-Source Navigation

Officially supported by the open-source sailing platform for ARM computers


High sensitivity

Dual channel AIS receiver with SMA antenna connector with a sensitivity better than -112 dBm.

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High performance

GNSS receiver with integrated patch antenna and external antenna support via BNC connector.

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Available NOW!

Buy the Moitessier HAT at


Built with passion – and high quality

The Moitessier HAT contains all the basic features to turn your Raspberry Pi which runs OpenPlotter into a complete marine navigation system.

Awesome – we hope you’ll like it too!


Get the Moitessier HAT exclusively at Sailoog’s Online Shop.


We have prepared a quick installation guide.

You can see it here: Quick Installation Guide

Also OpenPlotter has a good documentation for how to install the HAT: OpenPlotter Docs


Ready to go.

Please, tell us what you think about the Moitessier HAT. We encourage you to send any feedback or inquiries via email or contact form. For public review we suggest to write your review on our product review page or directly at our Google business idendity.

Write a Google review

Raspberry Pi Case for Moitessier HAT

Everything in its right place. The Rooco Raspberry Pi case has been designed to securely fit your Raspberry Pi 3 with attached Moitessier HAT. Makes your perfect OpenPlotter platform.

From our Media Library

We are still working on more media material. In the meanwhile …

Latest From Our Blog

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User Guide

Learn how to use the Moitessier HAT. The user guide will explain how to install and to remove the HAT from the Raspberry Pi. It will illustrate how you can read data from the HAT using OpenPlotter.
Want to read data via Wi-Fi? Read the user guide to get detailed information on this topic.

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