Book excerpt: This eBook is the official companion to the RYA Powerboat Advanced course but it is equally relevant to those who are simply keen to develop and consolidate their knowledge to help improve their theoretical and practical skills. The eBook has been designed to be a key and progressive learning tool which focuses on the advanced aspects of powerboating. This includes the essentials on and off the water and demystifies the more complicated techniques for operating an open vessel by day and night. A variety of illustrations bring concepts to life as they are described on the page. Chapters include: The Role of the Skipper Radar and AIS Handling in Rougher Weather Higher-Speed Handling It expands on the knowledge already contained in the entry-level RYA Start Powerboating and intermediate-level RYA Powerboat Handbook, with a focus on the higher-level aspects of advanced powerboating. This book takes advantage of Google's accessibility features (https://support.google.com/accessibility/android/answer/6006564?hl=en-GB).