International Sail and Power Association ISPA is an international certification programme with an emphasis on excellence in safe handling and skillful use of pleasure craft.
Sailing Worldwide Sailing association for sailing schools, instructors and sailors worldwide.
Sailing Issues Navigation Course A free advanced online course on marine navigation. The course is split into Positions, Nautical Chart, Compass, Plotting, Piloting, Tides, Tide Prediction, Currents, and Navigation Aids. The aim is to teach how to navigate safely while using the minimum of resources.
