Abstract
In order to prevent collision of vessels, it is important that the judgment of one vessel choosing a sailing rule for her to comply with, shall be in accord with the judgmnt of other at the lawful side. So, some principles, concerned to choose or decide on the sailing rule, are considered as follows : 1 It is not appropriate to decide on above rule to comply with by reason of whether the above mentioned point lies to which area of the under mentioned limits. 2 When two vessels are in the areas of different situation under the same rule of sailing one another and approach to the limit and its vicinity of these areas, they shall keep clear of one another. 3 When two vessels are in the sea area under the different law for sailing one another and approach to the limit and it's vicinity of these areas, one under the general law for sailing shall keep clear of other under the special law for sailng.
