This accompanying booklet contains all the essential tools needed to solve a navigation task in the SKS certificate exam. It is mandatory to bring this booklet to the exam itself. Similar to a formula collection from school days, this booklet helps you master the navigation tasks for the SKS exam. It includes excerpts from the official publications of the Federal Maritime and Hydrographic Agency, which you can use to perform calculations on the practice chart: - Excerpts from the Tide Tables 2013 "European Waters" - Excerpts from the Tide Current Atlas "The Currents in the German Bight" by BSH - Excerpts from the Lighthouse Directory of BSH - Part 3 - Eastern North Sea - Steering Table - Nautical miles covered in minutes - Nautical formula collection for navigation.