Colregs LIGHTrule
Colregs LIGHTrule
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What you need on board at sea at night! A 16" x5 1/4" slide rule that identifies all the USCG Collision at Sea Regulations and displays 60 light configurations for vessel identification. Also displays 15 day shapes and a visual guide for horn signals. Shows an actual view of vessels for port, starboard, bow and stern lighting. Includes a built-in magnifying lens forfor clearer readability of the definitions. a great addition to a navigator's drawer!