The basic procedure is as follows:

For those using OpenPlotter or Raspberry Pi for onboard navigation, the installation process is similar to OpenCPN on other platforms:

Ensure you have a top-level folder that contains several subfolders ( 01 , 02 ...).

Go back to . Here you can tailor the safety and detail parameters:

You can create specific Chart Groups, allowing you to quickly switch between your official S-57 charts and your CM93 v2 charts.

Click to allow OpenCPN to index the new charts. Click OK . Step 5: Verify Coverage Zoom into a known area on the map.

Obtaining CM93 v2 charts requires locating a complete "Edition 2" dataset. Because these charts are copyrighted intellectual property of C-MAP, it is important to acquire them through legitimate, legal channels to ensure data integrity. Where to Find Them:

Once you have the extracted CM93 folder on your computer, follow these steps to load them: Installing Charts - OpenCPN 30 Dec 2024 —

This comprehensive guide covers everything you need to know about safely acquiring, installing, and configuring CM93 v2 charts on your navigation system. What Are CM93 v2 Charts?

But what exactly is CM93 v2? Is it legal? How do you actually download it and install it for use on a laptop, Raspberry Pi, or onboard navigation PC?