Page 225 - Rules of Navigation2020

(2) STATIONARY DREDGERS, FLOATING CRANES, ETC.

by Day by Night

Signal No. :

1

Passage is clear on
the side shown. (I am A drum at the yard A white light at the yard arm on the
at work or Moored) arm on the side on side on which the passage is clear. Tow
which the passage white lights along the bulwark on the
is clear. side on which the passage is clear.

2

Passage is clear on
the both sides.
(I am at work)
A drum at both A white light at both yard arms.
yard arms Tow white lights along the
bulwark on both side.

3 (1, 2)

Passage is clear on the
side shown but only to
proceed at the lowest
possible speed.

A red flag at the mast A white light over a green
head. A drum at the light on the side on which the
yard arm on the side on passage is clear. Tow white
which the passage is lights along the bulwark on
clear. the side on which the passage
is clear

By night the imperative decrease of speed is shown on the Pilot s boarding order.

1 ) This signal is also used by Warehouse string of barges.
2 ) The International Signal TE may also be hoisted. In this case the decrease of speed is imperative.
By night the imperative decrease of speed is shown on the Pilot s boarding order.

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