I am currently preparing for the UBI (VHF Certificate for Inland Navigation)  and was looking for a simple, efficient way to learn the standardized question catalogs.The official questionnaires are extensive, repetitive, and not very motivating to study in their original form. I wanted a solution that allows structured learning, repetition, and measurable progress. After searching online, I collected the official question catalogs and converted them into CSV files .These file

sturmwarnung.online gathers weather alerts from several independent sources and presents them in a clear, mobile friendly view. It works as a live monitor that helps you decide if it is safe to head out on the lake or better to stay ashore.