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Cm93 Charts Download Free

Cm93 Charts Download Free

Cm93 charts are a type of electronic nautical charts that are widely used by sailors and navigators around the world. They are produced by C-Map, a company that specializes in digital marine cartography. Cm93 charts cover the entire world with different levels of detail, from overview to harbor scales. They are compatible with many navigation software and devices, such as OpenCPN, MaxSea, Furuno, and Raymarine.

However, Cm93 charts are not free. They are protected by copyright and require a license to use. C-Map charges a fee for each chart region and each update. Depending on the area and the frequency of updates, the cost can vary from hundreds to thousands of dollars per year. For many sailors, especially those who cruise in remote or less popular regions, this can be a significant expense.


Therefore, some sailors look for alternative ways to obtain Cm93 charts for free. One of the most common methods is to download them from torrent sites or file-sharing platforms. These sites offer various versions of Cm93 charts, usually dated from 2011 or earlier. Some of them claim to have the latest updates or even the version 3 of Cm93 charts, which is supposed to be more accurate and detailed than the version 2.

However, downloading Cm93 charts from these sources is not recommended for several reasons. First of all, it is illegal and unethical. By doing so, you are violating the intellectual property rights of C-Map and depriving them of their revenue. You are also risking legal consequences if you are caught or reported by C-Map or other authorities.

Secondly, it is unsafe and unreliable. The files you download may contain viruses, malware, or spyware that can harm your computer or device. They may also be corrupted, incomplete, or outdated. You may end up with charts that are inaccurate, inconsistent, or missing important information. This can compromise your safety and navigation performance.

Thirdly, it is unnecessary and impractical. There are other sources of free nautical charts that are legal, safe, and reliable. For example, you can use OpenSeaMap, a project that aims to create a free nautical chart based on OpenStreetMap data. OpenSeaMap covers the whole world and provides various layers of information, such as buoys, lights, depths, currents, tides, and weather. You can download OpenSeaMap charts in KAP format and use them with OpenCPN, a free and open-source navigation software that runs on Windows, Linux, Mac OS X, Android, and iOS.

Another example is NOAA, the National Oceanic and Atmospheric Administration of the United States. NOAA provides free access to its official nautical charts for the US waters and its territories. You can download NOAA charts in RNC (raster) or ENC (vector) formats and use them with various navigation software and devices.

There are also other sources of free nautical charts for specific regions or countries, such as LINZ for New Zealand, CHS for Canada, UKHO for the United Kingdom, SHOM for France, BSH for Germany, IENC for inland waterways in Europe and North America, and many more. You can find a list of these sources on the OpenCPN website.

In conclusion, downloading Cm93 charts for free is not a good idea. It is illegal, unsafe, unreliable, unnecessary, and impractical. Instead, you should use other sources of free nautical charts that are legal, safe, reliable, necessary, and practical. By doing so, you will save money, protect your computer or device, support the chart producers, and enhance your navigation experience.

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