4 - DESCRIPTION OF THE YACHT 96
4.7.1 Navigation lights, shapes and sound signals
Mast head light (white)
Visibility range 225°.
Shown by every engine-driven yacht.
Side lights or navigation lights (red port, green starboard)
Visibility range 112° 30’ each.
Shown by any moving yacht and caused by any reason.
Aft light (white)
Said also stern light, visibility range 135°.
Shown by any moving yacht and caused by any reason.
Anchor riding light (white)
Visibility range 360°, can be seen from any point of the horizon.
Seen from every anchored or under navigation yacht, or in specic circum-
stances.
The rules relevant to the navigation lights must be observed from sunset to
dawn and during this period no other lights must be visible except the lights
that cannot be exchanged for those specied in this manual.
Although the lighting system is preset by the Manufacturers, the Owner/
Captain has the responsibility for the observance of the local rules.
Please note that the local and international rules relevant to lighting can
slightly vary, we suggest therefore to gather information about the local rules
of your area.
Night navigation requires more precaution. All rules are applicable but apart
from the right of course, it is advisable to slow down and to keep the proper
distance from other boats.
It is a good rule to remember that bright lights reduce visibility at night.
DANGER
Solvents may damage the lens of the navigation lights.
The lights must exclusively be cleaned with fresh water not containing
solvents or abrasive substances.
Remove the bulbs before the application of any paint.
CAUTION
Before undertaking any navigation, the Captain should make sure that
all navigation lights are operating correctly. Use the navigation lights in
compliance with the regulations in force.
MAINTENANCE
At least once a week check the operation of the navigation lights.
At least once a week carry out accurate cleaning of glasses and head-
lights.
At least once every six months check the presence of corrosion in the
connections of the navigation light cables.
At least once every six months, tighten the cable connections of the navi-
gation lights.
The use of headlights during the various situations of use of the yacht during
night navigation are illustrated below:
• Navigation: Masthead lights, side lights and stern lights on.
• At anchor: Anchor lights on.
• Drifting: Two red lights on (no steering mast installed).
• Stranded: Anchor light and two red lights on (no steering mast installed).
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