The ROADrule™ CEVNI is a quick reference tool that identifies navigation aids and markers as prescribed by the European Code for Inland Waterways. It takes a large amount of complex information and makes it easy to understand using a sliderule design with a magnifying lens.
Identifies navigation aids & markers as prescribed by the European Code for Inland Waterways
Displays 38 Navigation Aid Definitions
Displays 12 Rules of the Road
Magnifying lens for clear readability of definitions