(a) A vessel engaged in fishing, whether underway
or at anchor, shall exhibit only the lights and shapes prescribed
in this Rule.
(b) A vessel when engaged in trawling, by which
is meant the dragging through the water of a dredge net or other apparatus
used as a fishing appliance, shall exhibit:
-
(i) two all-round lights in a vertical line, the
upper being green and the lower white, or a shape consisting of two
cones with their apexes together in a vertical line one above the
other;
-
(ii) a masthead light abaft of and higher than
the all-round green light; a vessel of less than 50 metres in length
shall not be obliged to exhibit such a light but may do so;
-
(iii) when making way through the water, in addition
to the lights prescribed in this paragraph, sidelights and a sternlight.
(c) A vessel engaged in fishing, other than trawling
shall exhibit:
-
(i) two all-round lights in a vertical line, the
upper being red and the lower white, or a shape consisting of two
cones with apexes together in a vertical line one above the other;
-
(ii) when there is outlying gear extending more
than 150 metres horizontally from the vessel, an all-round white light
or a cone apex upwards in the direction of the gear;
-
(iii) when making way through the water, in addition
to the lights prescribed in this paragraph, sidelights and a sternlight.
(d) The additional signals described in Annex
II to these regulations apply to a vessel engaged in fishing in close
proximity to other vessels engaged in fishing.
(e) A vessel when not engaged in fishing shall
not exhibit the lights or shapes prescribed in this Rule, but only
those prescribed for a vessel of her length.