Cm93 V2 Charts - [patched] Download Install
For cruisers, commercial mariners, and weekend sailors alike, electronic navigation has become the backbone of modern piloting. Among the myriad of chart formats available, one name has persisted as a legend in the community— (also known as C-Map CM-93/3). Despite being technically "outdated" by official hydrographic standards, the CM93 v2 chart set remains the most widely used global offline chart library in the world, primarily due to its integration with OpenCPN (Open Chart Plotter Navigator).
The OpenCPN project—and virtually all responsible navigational authorities—explicitly warns against using pirated copies of CM93 v2 charts for active navigation. According to the official OpenCPN documentation, CM93 is an old chart format originally used by C-Map. Unauthorized copies of these charts are widely available on the Internet, but these charts are no longer maintained, are out of date, and are of dubious providence. Consequently, they are .
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CM93 version 2 (v2) is one of the most widely recognized marine vector chart formats in the history of digital blue-water navigation. Originally developed by C-MAP , this legacy worldwide chart database remains a staple backup resource for cruisers, sailors, and maritime enthusiasts utilizing open-source Electronic Chart Display and Information Systems (ECDIS) simulators. 1. What Are CM93 v2 Charts?
Set your to match your boat's draft plus a comfortable safety margin (e.g., 2.5 meters). Consequently, they are
: Ensure text display is enabled so you can read place names and buoy characteristics. Set Safety Depths
Zoom in on various regions of the world map. Initially, you may see only outline boxes representing available chart coverage. As you zoom in, OpenCPN will automatically load the appropriate scale-level chart. If you see green squares in place of charts, you have successfully added the directory—zoom in further on a green square to load the actual chart. these provide up-to-date
: A valid CM93 v2 directory contains an empty file with a .EXD extension (e.g., 20110803.EXD ), which indicates the edition's release date.
Available through the o-charts.org plugin for OpenCPN, these provide up-to-date, officially licensed S63 and oeSENC charts for a reasonable price. They have negotiated very competitive pricing with extensive worldwide coverage.
