Lateral Marks
Lateral Marks are used generally to mark the sides of well-defined, navigable channels. They are positioned in accordance with a Conventional Direction of Buoyage. They indicate the Port and Starboard hand sides of the route to be followed. They are coloured Red (Port Hand Marks) and Green (Starboard Hand Marks).
General Direction of Buoyage
Around the British Isles the General Direction of Buoyage runs North along the West coast and through the Irish Sea, East through the English Channel and North through the North Sea (the opposite in IALA system B, for example in the
Above (left to right): Port and Starboard Lateral Class Two Solar Buoys