The marine navigation lights for the display of navigation or mooring state may represent the direction of the night sailing ship and the ship's size, and the position and orientation of the lamps sailing ships.
There are navigation lights masthead light, sidelights and taillights three kinds.
Masthead light: a mast mounted fore and aft center line of the boat is located on top, in front of 225 ° arc of the horizon display continuous white light, visibility distance of 2 to 6 nautical miles.
Sidelights: representing the red and green starboard port side, packed in the cab on the left and right side of the bridge.
Taillight: installed in the stern, in a 135 ° arc of the horizon after a positive display of uninterrupted white light, visibility distance of 2 to 3 nautical miles.
Signal light indicates the state in which the ship or provide a language class lights lamps. There are round lights, anchor lights, flash and flash and other communications.
Round lights: to show uninterrupted white, red, green or yellow light, visibility distance of 2 to 3 nautical miles within 360 ° horizontal arc.
Anchoring Light: A vessel at anchor, hanging from sunset to sunrise at the bow and stern can best be seen at the two white light lamp.
Flash: side mounted above the lamp, when the ship turned around to make, according to a predetermined time interval emit red or green illuminated ring lights.
Flash Communication: also known as Morse signal. By manual operation, according to Morse code signals emitted white light for close contact with the communication. Including directional light portable flash or rotating seat rack communications, according to the light-emitting ring masthead communication flash.