Nav Lights features graphics and descriptions of the lights that are displayed by different vessels at night or in poor visibility.

Sailing vessel lights at night. Day Shapes features graphics and descriptions of the shapes that are displayed during daylight. These then have to be placed on the bow. Click image to reveal scene.

In addition to the above a vessel will have other lights and day shapes to characterize the nature and activity of a boat. This scene is the final one of four showing the Navigation Lights of a Sailing Vessel when viewed from the side. A common area of confusion is masthead lights Masthead light means a white light placed over the fore and aft centerline of the vessel showing an unbroken light over an arc of the horizon of 225 degrees and so fixed as to show the light from right ahead to 225 degrees abaft the beam on either side of the vessel.

Sailing vessels less than 20 metres in length may use a combination mast top tri-color light in place of the standard red and green side lights and white stern light. One masthead light and a stern light B. At night this vessel must show sidelights and A.

Test Yourself features multiple choice questions of lights and shapes to test your knowledge. When you see only a green light or only a red light you may be approaching a sailing vessel and you must give way. When you see only a RED or GREEN LIGHT.

Youll find the correct answer below. Encountering a Sailing Vessel at Night. Sidelights red green and.

By night what lights will you see in case you see a towing vessel from her port side with length of tow exceeding 200m and towing vessel of 55m in length. Here is the answer for the question Encountering a Sailing Vessel at Night. The Correct Answer is.