Cookies
Sail Skills - ColRegs
Back Free Guide to ColRegs (the International Regulations for Preventing Collisions at Sea, the IRPCS or Collision Regs).  Guidance covers all aspects with animations, pictures and diagrams.  Aimed at small vessel users but suitable for professional mariners.  Especially recommended for RYA examination candidates.
Definitions
Support the site
© A Joy 2009-13
Rule 24 Towing and Pushing
Inconspicuous Object Towed

A:

-
partly submerged or
-
inconspicuous

vessel or object (or combination of such vessels or objects) shall exhibit when towed:

-
a diamond shape at or near the aft end
Lights - General Shapes Power-Driven Towing and Pushing Sail and Oars Fishing Not Under Command Restricted Constrained Draught Pilot Vessels Anchored Aground Mnemonics All Animations An inconspicuous object being towed - displaying a diamond aft
and

if the length of the tow exceeds 200m:

-
a diamond shape forward


The length of the tow is measured:

-
from the stern of the towing vessel to
-
the end of the tow
Inconspicuous objects being towed - tow more than 200m - displaying two diamonds
The towing vessel is also required to display a diamond as the length of the tow is more than 200m
and

if the breadth of the object is less than 25m

-
an all-round white light at or near the:

-
forward end and
-
after end
An inconspicous object less than 25m breadth being towed - two all-round white lights An inconspicuous object being towed - towing vessel under 50m shows lights for tow not more than 200m
Towing vessel is under 50m and shows two masthead lights for tow, length not more than 200m
but a dracone need not exhibit the light forward:
A dracone less than 25m breadth being towed - one all-round white light A dracone being towed - towing vessel under 50m shows lights for tow under 200m
Towing vessel is under 50m and shows two masthead lights for tow, length not more than 200m
In addition, if the object is 25m or more in breadth, the object shall exhibit:

-
two all-round white lights at or near the extremities of breadth
An inconspicuous object being towed - towing vessel under 50m shows lights for tow not more than 200m
The inconspicuous object being towed is showing all-round white lights

Note that these are seen where you would expect to see the sidelights of a vessel towed

Towing vessel is under 50m and shows two masthead lights for tow, length not more than 200m
A inconspicuous object (25m or more in breadth) being towed - towing vessel under 50m shows lights for tow not more than 200m
Towing vessel is under 50m and shows two masthead lights for tow, length not more than 200m
In addition, if the object is more than 100m or more in length, the object shall exhibit:

-
additional all-round white lights between those above so that the distance between lights does not exceed 100m

Note that unlike the 200m length of the tow used elsewhere, this 100m relates to the length of the object!

Inconspicuous objects (25m or more in breadth, 100m or more in length) being towed Inconspicuous objects (25m or more in breadth, 100m or more in length) being towed - towing vessel under 50m shows lights for tow more than 200m
Towing vessel is under 50m and shows three masthead lights for tow, length more than 200m
Animations
Note: Shapes
Note: Restricted in Ability to Manoeuvre A towing vessel (under 50m) A tug (under 50m) towing a large vessell A vessel towing two barges alongside A tug (under 50m) towing an inconspicuous object A small motor boat towing a dismasted yacht
Fog Signals
Boating Books