A practical French-language guide to sailing a dinghy, this volume in the Code Vagnon series explains the essentials of handling a small centerboard craft. It covers boat preparation, rigging, balance, steering, sail trim, tacking, gybing, capsize recovery, and safe habits on the water, with guidance suited to beginners and developing sailors. The text is structured as a concise instructional manual, using clear explanations and diagrams to help readers understand how wind, hull movement, and crew position affect performance. It is intended for recreational sailors, instructors, and anyone learning the basics of dinghy sailing in French.