Amazon.com: Five Oceans Boat Navigation Lights, LED Bow Light, Boat Navigation Lights Red and Green, Vertical Mount Sidelight, 12V, USCG Rules 2NM, for Pontoon, Fishing Boats, Bass Boats, Sport Boats - FO3840 :
Navigation Light Requirements for Boating in the USA BOATsmart! Knowledgebase
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David Burch Navigation Blog: Introduction to Vessel Running Lights (Navigation Lights)