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7.2.4 Navigation
Learn and obey the rules of navigation on waterways,
and also familiarize yourself with the rules known as
COLREGs (International Regulations for Preventing
Collisions at Sea) that you must follow at all times.
According to the rules, every vessel must maintain a
proper look-out and obey the giveway provisions at all
times.
Navigate carefully and use new or updated nautical
charts. Always adjust your speed in relation to the
prevailing conditions and environment.
There must always be a compass in the boat, as well as
an up-to-date chart, even if the boat is navigated with a
GPS chart plotter for example. GPS supports navigation,
but it should not be used as primary means of naviga-
tion. The commander of the boat should always master
basic navigation skills at least.
Pay attention to the following:
• Waves (also consult your passengers on their
opinion of a comfortable speed)
• Your own wake (highest when rising to plane and
lowest at displacement speed, i.e. below 10 knots).
• Always observe no wake zones. Slow down to reduce
your wake to be courteous and also for the safety of
yourself and others in the area.
• Visibility (islands, fog, rain, blinding sun)
• Knowledge of the route (time required for navigation)
• Narrowness of the route (other traffic, noise and
impact of wakes on shore)
• Space required for stopping and taking evasive
action.
7.2.5 Visibility from the steering position
Driving in beautiful and calm weather is easy once you
ensure proper visibility which also complies with the
rules of COLREG. Always ensure that visibility from the
steering position is as good as possible:
• Position the passengers so that they do not impair
the helmsman’s visibility
• Do not drive continuously at planning threshold
speed at which high bow rise impairs visibility
• Adjust the engine power trim and possible trim tabs
to set the boat position so that the rising bow does
not impair visibility
• Remember to keep a good lookout astern as well,
especially on fairways in case of approaching ships.
• Use appropriate navigation lights after dark and in
limited visibility (fog, heavy rain).
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