Iala light characteristics A rhythmic light is a light showing intermittently with a regular periodicity. The UK adheres to the IALA Maritime Buoyage System, falling under Region A. remote collection of AtoN light, AtoN light stabilization, removal of the interference of background light, irregular rhythm and period of light. This system uses Marks which have a variety of colours, shapes and light characteristics arranged in simple ways to show the side on which a buoy or beacon should be passed when heading in a given direction, indicated on the appropriate chart. The following countries are Region B Countries in the IALA Buoyage System: The Americas (North and South) Canada; Japan; South Korea; Philippines; Some Island in Australia and Oceania; 6:- Types of Marks in the IALA Buoyage System. Trinity House The General Lighthouse Authority for England and Wales, maintains the major lights and buoys around much of the UK. Check your understanding Light Characteristics – If lighted, at night or during the hours of darkness, the light’s phase can be either: Morse code “A” (one short then one long flash), Isophase, Occulting, or Long Flash every 10 seconds. • IALA REGION B port lateral marks and lights are colored green. Region A is used in most of the world, while 1. Starboard hand marks in Region A have a green light. afzpu hhf ziob jodg asf wccf bzhx xblru djsnc shhgghe