C - SIGNALS USED BY DREDGERS IN CANAL WATERS

(1) DREDGERS WORKING UNDERWAY

 

Signal No. 1: Dredgers underway

By Day By Night
International Signal

I am dredging underway and cannot get out of the way
N.B.- In Lieu of the white masthead light.


Signal No. 2: Passage clear on side shown

By Day By Night

By Day: A drum at the yard arm on the side on which the passage is clear.
By Night: A white light at the yard arm on which the passage is clear. A red light at the yard arm on which the passage is not clear. Two white lights along the bulwark where passage is clear.


Signal No. 3: Passage is clear on both sides

By Day By Night

By Day : A drum at both yard arms
By Night: A white light at both yard arms and tow white lights along the bulwark both sides.


Signal No. 4: Passing not allowed on either side

By Day By Night

By Day : Two drums one over the other at the yard arm.
By Night : A red light at both yard arms.


Signal No. 5: I am going about

By Day By Night

By Day : Flag D hoisted at the yard arm on the side to which she is turnling.
By Night : A red light shown at the yard arm on the side to which she is turning. Signal IP by Morse lamp.


Signal No. 6: I am not under command

By Day By Night
International Signal

 

(2) STATIONERY DREDGERS, FLOATING CRANES, ETC.

Signal No. 1: Passage clear on side shown
(I am at work or moored).

By Day By Night

By Day: A drum at the yard arm on the side on which the passage is clear
By Night: A white light at the yard arm on the side on which the passage is clear. Two white lights along the bulwark on the side on which the passage is clear.


Signal No. 2: Passage clear on both sides
(I am at work).

By Day By Night

By Day: A drum at both drum yards
By Night: A white light at bot hyard arms. Two white lights along the bulwark on both sides.


Signal No. 3: Passage clear on side shown, with speed reduction
Passage is clear on the side shown but only to proceed at the lowest possible speed.

By Day By Night

By Day: A red flag at the masthead. A drum at the yard arm on the side on which the passage is clear
By Night: A white light over a green light on the side on which the passage is clear. Two white lights along the bulwark on the side on which the passage is clear.


Signal No. 4: Passing not allowed on either side
Passing not allowed on either side

By Day By Night

By Day: Two drums one over the other at the yard arm.
By Night: A red light at both yard arms


Signal No. 5: Passing not allowed :maneuvering to clear passage
Passing not allowed . I am manoeuvring to make fast to clear the Passage.

By Day By Night

By Day: A red flag at the masthead & 2 drums one over the other at the yard arm.
By Night: A red light at the masthead. A red light at both yard arms.


Signal No. 6: I am not under command - passing not allowed
Passing not allowed. I have a breakdown & cannot get out of the way.

By Day By Night
International Signal