Quick Reference International Navigation Rules Card. A comprehensive guide incorporating the International Maritime Buoyage System and COLREGS. Clarifies differences between Cardinal and Lateral buoyage systems and buoyage regions, the key to reducing confusion and danger when entering unfamiliar waters or busy harbors. Complete details on the right-of-way, sound signals, entering and clearing a foreign port, lights and day shapes, collision prevention procedures, and signal flags. Ideal for training alongside boating navigation books; bulkhead punched for binder or mounting. Convenient 8.5" x 11" waterproof card printed in full color on weatherproof high-strength marine plastic for long-lasting quick-reference use. Standard navigation equipment on US Coast Guard patrol boats; durable, easy-to-reference format for sailors and maritime professionals.
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