The application will be useful to yachtsmen and skippers of all categories, as well as for those who prepare to become one.
This handy reference guide has a description of all navigation marks of the IALA Maritime Buoyage Systems: lateral marks of Regions A and B, cardinal marks, isolated danger mark, safe water mark, special marks, new danger mark.
The app provides information that is necessary to identify sea marks at any time of the day: it demonstrates their different shapes, colours and light characteristics.
We welcome any comments and suggestions to our e-mail:

App Privacy

The developer, Smirnov Yury, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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