Marine Online
a vessel at anchor shall at night show
the following signals in the four parts
of the vessel one all round white light
where it can best be seen and the other
stern and lower than the forward light
another all round white light
however if the ship is less than 50
meters in length only one more round
white light needs to be displayed where
it can best be seen
if the ship is over 100 meters in length
lights illuminating the decks must be
shown but at less than 100 meters this
is not compulsory
vessels of less than seven meters in
length are not obliged to show any anger
signal if they are anchored clear from
the fairway narrow channel or Anchorage
during the day the vessel will display
in the four parts of the vessel one ball
in restricted visibility every minute
for a period of about five seconds the
bell must be wrong rapidly from the four
part of the vessel
additionally if over 100 meters in
length gown must be sounded in the after
part of the vessel every minute for a
period of about five seconds
when considered necessary an additional
signal of one short blasts one prolonged
and one short blast of the whistle
maybe sounded to give warning of the
vessels position and of the possibility
of a collision with an approaching
vessel
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extract from rule 30 vessels that anchor
extract from rule 35 sound signals and
restricted visibility
roll 30 anchored vessels and vessels are
ground pay a vessel at anchor shall
exhibits where it can best be seen one
in the full part and all round white
lights or one ball two at or near the
stern and at a lower level than the
light described in subparagraph one and
all-round right light be the vessel of
less than 50 meters in length may
exhibit an all-around white light where
it can best be seen
instead of the lights described in
paragraph a of this rule see a vessel at
anchor may add a vessel of 100 meters
and more and length shall also use the
available working or equivalent lights
to illuminate heard x-d a vessel aground
shall exhibit the lights described in
paragraph ARB of this rule and in
addition where they can best be seen 12
all round red lights in a vertical line
to three balls in a vertical line he a
vessel of less than seven meters in
length when its anchor not in or near a
narrow channel fairway or Anchorage or
where other vessels normally navigate
shall not be required to exhibit the
lights or shape prescribed in paragraphs
a and B of this rule F a vessel of less
than 12 meters in length when the ground
shall not be required to exhibit the
lights or shapes prescribed in
subparagraphs d one and two of this rule
roll 35 some signals in restricted
visibility in or near an area of
restricted visibility whether by day or
night
the signals prescribed in this rule
shall be used as follows
g a vessel at anchor shallot intervals
of not more than one minute
ring the bell rapidly for about five
seconds in a vessel of 100 meters or
more in length the bell shall be sounded
in the four part of the vessel and
immediately after the ringing of the
bell gone should be sounded rapidly for
about five seconds in the after part of
the vessel a vessel at anchor may in
addition sound three blasts in
succession namely one short one
prolonged and one short blasts to give
warning of her position and of the
possibility of collision to an
approaching vessel h a vessel aground
shall give the bell signal and if
required the gone signal prescribed in
paragraph g of this role and shall in
addition give three separate and
distinct strokes on the bell immediately
before and after the rapid ringing of
the bell a vessel aground they in
addition sound an appropriate whistle
signal