LIGHTrule Quick Reference

If you have ever been on the water at night and wondered if the marine navigation lights you see are from an approaching or receding vessel, or if the vessel is a fishing trawler or super tanker.....then LIGHTRule™ is for you.

This simple-to-use vessel identification tool is inexpensive security for night travel and should be an essential part of the equipment found on any boat.
LIGHTRule™ is also an excellent aide for navigation classes and Coast Guard exams.

• Inexpensive security for night travel
• Identifies all COLREGS
• Displays 60 recreational and commercial navigation light configurations
• Displays 15 day shapes
• Actual view of vessel for port, starboard, bow & stern lights
• Visual guide for horn signals
• Includes integral magnifying lens for clear readability of definitions
• Waterproof, durable plastic construction; stores in an included vinyl sleeve
• Lifetime warranty