SYSTEM OF BUOYAGE THE DEVELOPMENT OF A UNIFORM SYSTEM OF BUOYAGE THROUGHOUT THE WORLD WAS OF PARAMOUNT IMPORTANCE FOR SAFE NAVIGATION AT SEA. AS TRAFFIC LIGHTS ARE USED TO GUIDE DRIVERS ON ROAD, SIMILARLY BUOYS AND BEACONS ARE INDISPENSABLE FOR GUIDING MARINERS AT SEA. REGION B COMPRISES OF NORTH, SOUTH, CENTRAL AMERICA, JAPAN, KOREA AND THE PHILIPPINES. IALA buoyage system provides six types of marks: • LATERAL MARKS • CARDINAL MARKS • ISOLATED DANGER MARKS 1.LATERAL MARKS The lateral marks help to indicate which side of the waterway is to be followed. 2,CARDINAL MARKS Cardinal marks are used in conjunction with the compass to indicate where the mariner may find the best navigable water. There are 4 cardinal marks named after the four cardinal points of the compass; NORTH, SOUTH, EAST AND WEST. 3.ISOLATED DANGER MARKS As the name suggests, these buoys are used to mark dangers to shipping. An isolated danger mark indicates that there is navigable wa