Legitimate CM93 v2 charts are not free and are distributed under license. Authorized methods include:
| Source Type | Example | Details | |-------------|---------|---------| | Official C-MAP Portal | C-MAP Chart Installer / C-MAP Cloud | Requires subscription or one-time purchase. Charts are downloaded via proprietary software. | | Chart Plotter Manufacturer | Simrad, B&G, Lowrance, Raymarine (legacy) | CM93 v2 may be included in device update packages. | | Marine Software Vendors | TimeZero, MaxSea, OpenCPN (with C-MAP plugin) | Some vendors sell integrated CM93 v2 licenses. | | Physical SD Card | Preloaded C-MAP SD card | Purchased from authorized dealers, then data copied or updated via download. | cm93 v2 charts download
Recommended Action: Always purchase from an official C-MAP reseller. Do not use torrents or “free download” websites. Legitimate CM93 v2 charts are not free and
For cruising sailors, o-charts (paid, but very affordable) offers updated vector maps for OpenCPN. Alternatively, some navigators use raster chart collections that are legally released by hydrographic offices. Recommended Action: Always purchase from an official C-MAP
To download CM93 v2 charts, consider the following steps:
Assuming you have acquired a legitimate (or legacy) copy of the CM93 v2 folder, here is the standard installation process for OpenCPN (the most common compatible software):
Use the SAS.Planet plugin for OpenCPN or simply use Google Earth (offline cache). Combine satellite imagery with official free charts for a powerful visual reference.