The RYA Coastal / Yachtmaster Shorebased Theory course is an advanced navigation and seamanship program designed for experienced sailors preparing for coastal and offshore skippering. The course covers advanced chartwork, passage planning, tidal calculations, meteorology, collision regulations, electronic navigation, safety procedures, and offshore navigation techniques. It provides the theoretical knowledge required for Coastal Skipper and Yachtmaster practical training and is widely recognized within the international sailing industry. The program is ideal for sailors aiming to undertake longer offshore passages and professional-level sailing certifications.