For example, if you have:
Layered information allows you to toggle specific details like depth contours, light sectors, and marine services.
Because CM93 v2 is an older, legacy format, finding clean and safe downloads requires caution. Where to Find the Files cm93 v2 charts download install
If you want to fine-tune your marine navigation setup, tell me:
Use a tool like WinRAR, 7-Zip, or Mac Utility to extract the downloaded archive into your new folder. For example, if you have: Layered information allows
Because CM93 v2 is a discontinued format, there is no official download source. However, the charts can be found through various community channels:
The 2013 set has known errors: e.g., parts of the Panama Canal expansion, new islands in the Maldives. You must manually update using a chart editor (like ChartMaker) or just add a waypoint. Because CM93 v2 is a discontinued format, there
After downloading and extracting, you should see a folder structure like this:
Place the main directory (the folder containing all the numerical folders and the .EXD file) in a permanent location on your computer (e.g., C:\Charts\CM93_v2 or /home/user/charts/CM93_v2 ). Step 2: Open Chart Manager in OpenCPN Open OpenCPN. Click on the icon (wrench) and select the Charts tab. Click on Chart Downloader or Active Chart Directories . Step 3: Add the Dataset Click the Add Directory button.
The version’s popularity stems from its in a single, relatively compact file set (approx. 1.5–2 GB). For long-distance cruisers crossing oceans, having a unified chart set for the entire planet—from the South Pacific atolls to the Norwegian fjords—is invaluable. Many open-source navigation platforms, most notably OpenCPN , were designed or adapted to read CM93 v2 charts.
Interestingly, one recommended approach for obtaining CM93-compatible charts is to use OpenCPN’s built-in Chart Downloader plugin. This tool provides an easy way to download free official ENC charts from NOAA and other hydrographic authorities around the world, which can then be used alongside or instead of CM93 charts.