Knowing how to read day shapes is CRUCIAL when approaching a dredge boat. Day Shapes are used for effective communication between boats and in waterways to minimize VHF traffic. With a dredge boat, failure to understand these communications could lead to a massive accident with their underwater pipes and set up. Have you seen these out and about before? ⚓️ABOUT US⚓️ The Sailing Academy is an ASA sailing school for those who want to learn to sail, cultivate sailing skills, or begin a lifelong sai