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