Waypoint Amsterdam Sailing School

The Collisions Regulations for yachties

International Regulations for Avoiding Collisions at Sea or IRPCS. The rules are specified in great detail in the regulations and the serious student is encouraged to seek the definitive document. Certain individuals are legally required to carry or possess a copy of the rules, such as the owners and/or operators of certain vessels. These legal requirements vary by jurisdiction. Consult the appropriate maritime authorities for each jurisdiction. Any individual subject to such requirements should obtain a complete, official copy from a government or official source. However, the rules are summarized below.

Part A - General

Part B - Steering and Sailing Rules

Section I - Conduct of Vessels in any Condition of Visibility

Section II - Conduct of Vessels in Sight of One Another

Section III - Conduct of Vessels in Restricted Visibility

Part C - Lights and Shapes

(a) “Masthead light” means a white light placed over the fore and aft centerline of the vessel showing an unbroken light over an arc of horizon of 225 degrees and so fixed as to show the light from right ahead to 22.5 degrees abaft the beam on either side of the vessel.

(b) “Sidelights” means a green light on the starboard side and a red light on the port side each showing an unbroken light over an arc of horizon of 112.5 degrees and so fixed as to show the light from right ahead to 22.5 degrees abaft the beam on the respective side. In a vessel of less than 20 meters in length the sidelights may be combined in one lantern carried on the fore and aft centerline of the vessel.

(c) “Sternlight“, means a white light placed as nearly as practicable at the stern showing an unbroken light over an arc of horizon of 135 degrees and so fixed as to show the light 67.5 degrees from right aft on each side of the vessel.

(d) “Towing light” means a yellow light having the same characteristics as the “sternlight” defined in paragraph (c) of this Rule.

(e) “All round light” means a light showing an unbroken light over an arc of horizon of 360 degrees.

(f) “Flashing light” means a light flashing at regular intervals at a frequency of 120 flashes or more per minute.

 

Part D - Sound and Light Signals

Part E - Exemptions