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189212 RCD-2
Index C
2.4 DESIGN CATEGORIES
Category A:
A yacht of design category A is considered to be designed for wind that may exceed force 8
(on the Beaufort scale) and waves that can exceed a significant height of 4 metres, but
excluding exceptional conditions such as storms, severe storms, tornadoes and extreme sea
conditions or huge waves.
Category B:
A yacht of design category B is considered to be designed for wind that may go up to force 8
inclusive and waves that can reach a significant height up to 4 metres inclusive.
Category C:
A yacht of design category C is considered to be designed for wind that may go up to force 6
inclusive and waves that can reach a significant height up to 2 metres inclusive.
Category D:
A yacht of design category D is considered to be designed for wind that may go up to force 4
inclusive and waves that can reach a significant height up to 0,3 metres inclusive, with
occasional waves of a maximum height of 0,5 metres.
NOTE: Boats in each category must be designed and built to withstand these
parameters in respect of stability, buoyancy, and other relevant essential
requirements and to have good handling characteristics.