Cm93 V2 Charts Download __exclusive__ Install Jun 2026

A valid CM93 v2 folder contains a file named CM93ATTR.DIC , which is the attribute dictionary file required for decoding chart data. Alongside this file, you will find dozens or hundreds of subfolders with names starting with 00300000 , such as 00300000 , 00300060 , 01500120 , 02700180 , and 03900240 . Each of these folders represents a specific geographic tile or region. The database also includes LIMITS.DIC and SERIALNOTXT files that define chart boundaries and licensing information.

Extract the downloaded archive directly into this directory.

| Risk | Explanation | |------|-------------| | | Many ports changed since 2015; new buoys, dredged channels missing | | No official support | Cannot be used for commercial navigation under SOLAS or local regulations | | Legal liability | If an incident occurs using CM93 v2, your insurance may be voided | | Corrupted copies | Common CRC errors in .A/.B/.C files cause missing cells | | Cell boundary jumps | Discontinuities at chart cell edges due to old compilation | cm93 v2 charts download install

A community-driven project that provides free, crowdsourced nautical charts.

Some marine electronics dealers still hold archived versions. A valid CM93 v2 folder contains a file named CM93ATTR

By following this guide, you should now have a clear understanding of how to locate, download, and install CM93 v2 charts across multiple platforms. Remember that safe navigation requires judgment, multiple sources of information, and a healthy respect for the limits of any electronic charting system—especially one as legacy as CM93 v2. Navigate wisely and sail safely.

OpenCPN makes the installation of CM93 charts straightforward. Step-by-Step Installation: Launch the software. The database also includes LIMITS

A valid download should contain a root folder (usually named ) filled with numerous subfolders labeled , etc., and a 3. Installation Steps (OpenCPN)