Sight ray
In shipping, the term “ sight ray ” is used to summarize the minimal visibility conditions to be maintained in advance of civilian ships, especially ocean-going ships. Various organizations such as the International Maritime Organization , classification societies such as Germanischer Lloyd or Lloyd's Register of Shipping , and the See-Berufsgenossenschaft for ships flying the German flag , have their own requirements for the design and loading of the ship in order to ensure that the ship is safely operated To ensure visibility. The IMO stipulates, among other things, that the view to "right ahead" and a sector of 10 ° on either side of a ship's line of advance should not be more than two ship lengths or 500 meters (the smaller value is used), regardless of draft and trim of the ship, may be restricted.
The line of sight is of particular importance on container ships , as the height of your container load on deck influences the line of sight of the ship.