International Navigation Rules - Reference Card

A comprehensive guide incorporating the International Maritime Buoyage System and COLREGS.

Clarifies differences between Cardinal and Lateral buoyage systems and buoyage regions, key to reducing confusion and danger when entering unfamiliar waters or busy harbors.
Complete details on right-of-way, sound signals, entering and clearing a foreign port, lights and day shapes, collision prevention procedures, signal flags, etc.

• Ideal for keeping in your cockpit or at the helm.
• Waterproof plastic