CM93 is a vector chart format originally produced by , a company now owned by Navico (the parent company of brands like Lowrance, Simrad, and B&G). The "v2" designation refers to Edition 2 of this specific chart database.
For over two decades, (also known as C-Map 93 v2) has been a cornerstone of electronic charting for recreational sailors, delivery skippers, and professional navigators using older systems. Despite the rise of modern vector charts and subscription-based services, the search term "CM93 v2 charts download" remains one of the most persistent queries in maritime forums. cm93 v2 charts download
: They are primarily known for being compatible with OpenCPN , which still supports this older format. Downloading and Installing CM93 is a vector chart format originally produced
The foghorn blew twice. Somewhere, a ship signaled its own lonely insistence. Kai plotted a route that threaded between a spit that the ENC missed and a rock that the CM93 v2 insisted was there. He annotated his own note into the map: “Verified by sonar 10 Apr 2026—depth 3.1m. Safe at half tide.” The file saved locally, a new stitch in the quilt. Despite the rise of modern vector charts and
Because C-MAP no longer sells or supports CM93 v2 (it was replaced by and other cloud-based services), the only way to obtain it is through unofficial channels :