Dec. 4 2015 Home Class & statutory MARSHALL ISLANDS - REQUIREMENTS FOR NAVIGATION LIGHTS, INCLUDING LEDS LinkedIn Twitter Facebook share Convention COLREG Yachts. Specific regulations Flag MARSHALL ISLANDS Ship typeSea going - Yachts Performance standards and usage of new technology light sources, LEDs in particular, as navigation lights The Maritime Administrator of the Republic of the Marshall Islands has issued the following attached Yacht Safety Advisory (YSA), which concerns requirements for navigation lights, including LEDs. Information required for the performance standards and usage of new technology light sources, LEDs in particular, as navigation lights can be found in the following publications : 1. The applicable chapter sections of the RMI Yacht Code MI-103, referencing the requirements for navigational lights, shapes and sound signals 2. COLREGs, 1972, Rule 20, Rule 21 and Rule 23 : concerning the requirements on the use of navigation lights; and 3. International Maritime Organization (IMO) Resolution MSC.253(83), §4.3 (Special requirements for lights using LEDs). YSA #3-15 (Navigational Lights - LED) Download