As the rules defining the stand-on and give way vessel apply during the day as well as when it is dark there is one requirement you way only rarely see adhered to for sailboats.

Sailing vessel day shape. A vessel of less than 12 meters in length is not required to exhibit the day shape. The Nav Lights Shapes Lights quiz is. A sailing vessel underway may in addition to the lights exhibit at or near the top of the mast where they can best be seen two all-round lights in a vertical line the upper being red and the lower green but these lights shall not be exhibited in conjunction with the combined lantern.

Vessel towing under 200 feet. Not under command Now for the night views. Learn what each shape means by flipping each shape to reveal its nautical meaning.

Day shapes are geometric figures that relay something important about vessel navigation. This is not always easy especially in crowded coastal waters. Day shapes need to be shown from sunrise to sunset.

To make your sailing vessel even clearer at night you may display a red over green mast top light in. White masthead light no sidelights. H Fishing vessel at anchor showing basket by day indicating its occupation to an approaching vessel.

Some can identify a fishing vessel or a sailboat under power and so on. Day Shape for a Sailing Vessel The next boat that is the least manoeuvrable is a sailing vessel. Vessels under 7m in length not using an engine and unable to exhibit the lighting configurationReminder -whenever a sailing vessel is using its engine with or without sails it is a power-driven vessel within the meaning of the rules and must act accordingly and show the appropriate shapes by day and lights by night.

Different shapes indicate different things about the vessel. Power vessel over 50m displaying 2 steaming lights and port light. White over white amber over stern.