COLREGs Lights and Shapes QuizOnline version Test your knowledge on maritime navigation lights and shapes with this fun quiz! by Ramirez Cristy 1 What color light indicates a starboard side on a vessel? a Green b Red c White d Blue 2 What shape indicates a vessel is restricted in its ability to maneuver? a Ball b Diamond c Cone d Cylinder 3 How many masthead lights does a power-driven vessel over 50 meters have? a One b Four c Two d Three 4 What does a red light on a vessel signify? a Port side b Bow c Stern d Starboard side 5 What shape is used to indicate a sailing vessel under sail? a Triangle b Circle c Rectangle d Square 6 What light configuration indicates a vessel at anchor? a Flashing white light b Red and green lights c Two masthead lights d One all-round white light 7 What does a flashing light indicate? a Restricted maneuverability b A special signal c Vessel at anchor d Normal navigation 8 What shape indicates a vessel engaged in fishing? a Two cones, apex to apex b One ball c One cylinder d One diamond 9 What color is the stern light on a vessel? a White b Red c Yellow d Green 10 What does a vessel displaying three lights vertically indicate? a A sailing vessel b A vessel constrained by its draft c A fishing vessel d A vessel at anchor
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