Weems Light Rule CEVNI

This simple to use vessel identification tool shows the actual view of vessels for Port, Starboard, Bow and Stern lights. LIGHTrule identifies all the light configurations and provides a magnifying lens to make vessel descriptions easy to read. It also displays audible signals for restricted visibility, maneuvering and warning. LIGHTrule 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. It’s a great value, constructed of extremely durable plastic and stored in a vinyl sleeve.