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CATEGORY A
This boat is designed for sailing in winds that may exceed force 8 on the Beaufort scale and in
waves of a significant height of 4 and more, and the boat is to a large extent self-sufficient.
Abnormal conditions such as hurricanes are excluded.
Such conditions may be encountered on extended voyages, for example across oceans, or
inshore when unsheltered from the wind and waves for several hundred nautical miles.
CATEGORY B
This boat is designed for sailing in winds that may not exceeding force 8 on the Beaufort scale
and in waves of a significant height of 4m or less.
You may meet with such conditions when you sail on the open sea or close to the shore, when
you are not protected from the wind or waves over several hundreds of nautical miles. These
conditions may also be experienced on inland seas of sufficient size for the wave height to be
generated.
CATEGORY C
This boat is designed for sailing in winds that may not exceeding force 6 on the Beaufort scale
and in waves of a significant height of 2m or less.
You may meet with such conditions in exposed inland waters, in estuaries and in coastal waters
with moderate weather conditions.
CATEGORY D
This boat is designed for sailing in winds not exceeding force 4 on the Beaufort scale and in
waves of a corresponding height (significant height of 0,5m or less).
Such conditions may be encountered in sheltered inland waters, and in coastal waters in fine
weather.
Note:
The significant wave height is the mean height of the highest one-third of the waves,
which approximately corresponds to the wave height estimated by an experienced
observer. Some waves will be double this height.