For ? Absolutely not. Many marinas have dredged channels, new breakwaters exist, and depths have shifted. Relying on 2005-era CM93 data could easily run you aground.
CM93 v2 charts are global vector nautical charts originally produced by C-Map. Although officially obsolete and no longer commercially supported for the general public, they remain popular among cruisers and hobbyists using open-source navigation software like OpenCPN due to their worldwide coverage and small file size. Understanding CM93 v2 Charts cm93 v2 charts download
CM93 v2 (also known as C-Map CM-93/2) is a widely used vector chart format for electronic chart systems (ECS) and certain electronic chart display and information systems (ECDIS). This report outlines the standard methods for downloading or obtaining CM93 v2 charts, highlights the difference between authorized and unauthorized sources, and provides technical guidance for legitimate acquisition. Relying on 2005-era CM93 data could easily run you aground
While CM93 v2 charts can still be downloaded legitimately through official C-MAP channels, the format is deprecated. Unauthorized downloads are unsafe, illegal, and unreliable. For operational navigation, always use a licensed, updated chart source. Understanding CM93 v2 Charts CM93 v2 (also known
Some sailing groups on Telegram and Discord maintain archives of older chart sets. Search for channels named “Nautical Software” or “OpenCPN Resources.”
For ? Absolutely not. Many marinas have dredged channels, new breakwaters exist, and depths have shifted. Relying on 2005-era CM93 data could easily run you aground.
CM93 v2 charts are global vector nautical charts originally produced by C-Map. Although officially obsolete and no longer commercially supported for the general public, they remain popular among cruisers and hobbyists using open-source navigation software like OpenCPN due to their worldwide coverage and small file size. Understanding CM93 v2 Charts
CM93 v2 (also known as C-Map CM-93/2) is a widely used vector chart format for electronic chart systems (ECS) and certain electronic chart display and information systems (ECDIS). This report outlines the standard methods for downloading or obtaining CM93 v2 charts, highlights the difference between authorized and unauthorized sources, and provides technical guidance for legitimate acquisition.
While CM93 v2 charts can still be downloaded legitimately through official C-MAP channels, the format is deprecated. Unauthorized downloads are unsafe, illegal, and unreliable. For operational navigation, always use a licensed, updated chart source.
Some sailing groups on Telegram and Discord maintain archives of older chart sets. Search for channels named “Nautical Software” or “OpenCPN Resources.”
