IMO number system is one of the most commonly used and popular system of ship identification(which is called ship number). This is the numbering system issued by the International Maritime Organization. This number is one of the most important of the ship numbers. It consists of a seven digit number preceded by letter IMO. It is assigned to every seagoing vessel of 100 GT or more. As a part of the regulation looking into ship identification, it is important that IMO number vessel must be marked on the vessel all the times at places where it is easily visible.
NAYA IMO NUMBER What are Ship Numbers & Different Types of Ship Identification Number Systems
However, it is important that this number should not be confused with the official number issued at time of vessel’s registration. IMO number vessel is assigned by Lloyd’s Register-Fairplay Ltd on behalf of IMO, solely for purpose of identification. This is a unique numbering system and is followed internationally making it one if the most commonly used numbering systems. It is also important to mention that while it is necessary for every seagoing vessel to be an IMO number vessel, there are certain exceptions that can be made like pleasure yachts, hopper barges, hydrofoils, air cushion vehicles, floating docks, ships engaged on special service, ships engaged in fishing etc.
