Safety comes first when navigating at sea. As an important ‘language’ of maritime traffic, ship lights play an important role in guiding the course and avoiding collision at night or in poor visibility. So, what are the regulations on ship lights? What is the difference between different types of ship lights? Today, TUBU will bring you an in-depth understanding of ship's light rules, so that you can have a more comprehensive understanding of maritime navigation safety.
Why do ships need lights?
What is the main function of ship lights?
To identify the type of ship. Different combinations of lights represent different types of ships, such as cargo ships, passenger ships, tugboats, etc.
To indicate the course. Indicate the ship's heading and movement by the position and colour of the lights.
Warn other ships. Under special circumstances, ships can give warning by flashing lights or changing light colours.
What are the types and functions of a ship's lights?
Mast light. A light, usually white, mounted above the centreline at the bow and stern of a ship to indicate the length and position of the ship.
Gangway lights. Separate red and green colours, installed on both sides of the ship, used to indicate the lateral position of the ship.
Stern light. Are white in colour and are mounted at the stern of the vessel to indicate the stern of the vessel.
Anchor light. Usually white in colour and used to indicate that the vessel is at anchor.
Towing Light. Are yellow in colour and are used to indicate that the vessel is engaged in towing operations.
Searchlight. Used for search, illumination or signalling.
International standards for ship lighting regulations
In order to ensure the safety of navigation worldwide, the International Maritime Organisation (IMO) has developed the International Regulations for Preventing Collisions at Sea. The rules provide detailed regulations on the types, positions, colours and light power of lights on various ships. Maritime administrations of various countries have also formulated their own specific implementation rules according to the rules.
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