OpenCPN is a comprehensive chart plotter and navigation application designed for both desktop and mobile platforms. It offers advanced features such as BSB v3 raster chart support, S57 vector chart display, and integrated chart downloading. The app supports multiple display modes including North-up, Course-up, and Chart-up, providing flexible navigation options.

In addition to its core functionalities, OpenCPN includes route planning with tidal support, AIS input with target tracking, and autopilot output capabilities. Its device-integrated GPS and networked GPS support ensure accurate positioning. With Google Maps integration and GPX file support, the app caters to a wide range of maritime activities, from cruising to professional marine work, enhancing safety and performance on the water.

OpenCPN boasts an array of sophisticated features tailored for marine navigation. It supports various chart formats including BSB v3, S57, and CM93, with IHO S52 compliance for vector charts. The app's integrated chart downloader and quilted display mode allow seamless access and visualization of nautical charts. Users can choose from different display themes and benefit from moving-map functionality.

Advanced navigation tools include route planning with tidal support, AIS input with collision alerting, and autopilot output. OpenCPN also supports NMEA 0183 GPS interface and multiplexer, ensuring compatibility with various marine instruments. Additional features like anchor watch, GPX layers for chart annotation, and tide/current prediction enhance the overall user experience, making it a versatile tool for all marine enthusiasts.

Map accuracy is a critical feature for any navigation application, and OpenCPN excels in this area. The app supports various chart formats including BSB v3 raster charts, S57 vector charts, and CM93 vector charts with per-cell offset corrections. This ensures that users have access to highly detailed and precise maritime maps.

The application's IHO S52 compliant display of S57 vector charts guarantees that the charts are presented in a standardized and internationally recognized format. Additionally, the support for MBTiles chart overlays allows for enhanced map details and customizations tailored to specific needs.

OpenCPN also includes an integrated Chart Downloader, making it easy for users to obtain the latest and most accurate charts available. With options for single-chart and quilted display modes, users can choose how they view their navigational data, ensuring optimal clarity and precision during their voyages.

Effective route planning is essential for safe and efficient maritime navigation, and OpenCPN offers robust tools to assist with this task. The app provides features such as route navigation with ship tracking functions, waypoint navigation, and true north or magnetic north navigation options. These capabilities ensure that mariners can plan and follow their routes with confidence.

One standout feature is the support for tidal planning, which allows users to account for tidal influences on their journeys. By considering tides and currents, sailors can optimize their routes for both safety and fuel efficiency. Furthermore, the built-in great-circle routing helps in plotting the shortest possible path over long distances.

OpenCPN also supports GPX file input and output for waypoints, tracks, and routes, enabling seamless integration with other navigation tools and systems. This flexibility ensures that users can import pre-planned routes or export their data for further analysis, enhancing the overall route planning experience.