Design Category 'B'
OFFSHORE: Designed for offshore voyages where conditions up to, and including , wind force 8 & significant wave heights up to & including 4 Mtrs may be experienced.
Design Category "C'
INSHORE Designed for voyages in coastal waters, Large bays, estuaries, lakes & rivers, where conditions up to & including wind force 6 & significant wave heights up to & including 2m may be experienced.
Design Category 'D'
SHELTERED WATERS, Designed for voyages on small lakes, rivers & canals where conditions up to & including, wind force 4, & significant wave heights up to & including 0.5m may be experienced.
