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Class A: A craft given design class A is considered to have been designed to sail in winds below Beaufort 10 and
associated significant wave heights.
NOTE Such conditions can typically be encountered during long crossings, for example across oceans, but can also occur close to
shore when the area is unprotected from wind and waves for several hundred nautical miles. Depending on atmospheric
conditions, winds can gust up to 32 m/sec
Class B: A craft given design class B is considered to have been designed to sail in winds below or equal to
Beaufort 8 and associated significant wave heights of up to 4m.
NOTE Such conditions may typically be encountered during offshore navigation of sufficient length, but may also occur near shore
when shelter may not be immediately available. These conditions may also be encountered on inland water bodies of sufficient size
to generate the wave heights mentioned above. Depending on atmospheric conditions, winds can gust up to 27 m/sec.
Class C: A craft given design class C is considered to have been designed to sail in steady winds typically below
or equal to Beaufort 6 and associated significant wave heights of up to 2m.
NOTE Such conditions may typically be encountered on exposed inland waters, estuaries and coastal areas in moderate weather.
Depending on atmospheric conditions, winds can gust up to 18 m/sec.
Class D: A craft given design class D considered to have been designed to sail in steady winds typically below or
equal to Beaufort 4 and associated significant wave heights of up to 0.3m with occasional waves 0.5m high.
NOTE Such conditions may be encountered on sheltered inland waters and coastal areas in good weather. Depending on
atmospheric conditions, winds can gust up to 12 m/sec.
Your craft has been designed for class A
B - SAILING CLASSES
I - INTRODUCTION
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