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LIGHTrule™ is a practical vessel identification tool that helps you interpret marine navigation lights and day shapes quickly, enhancing safety during night passages and low-visibility conditions.
Identifies all USCG COLREGS light configurations for compliant navigation
Shows realistic port, starboard, bow and stern light views for 60 vessel types
Displays 15 day shapes plus horn signals for restricted visibility, maneuvering and warning
Built-in magnifying lens for easy reading of detailed vessel descriptions
Constructed from highly durable plastic and supplied in a vinyl sleeve
Add LIGHTrule™ to your navigation kit for clear, reliable light recognition at a glance.
