BENETEAU 461, Owner'S Manual

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197837 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 very large 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.
Design categories and displacement