Navigation Basics

Definitions at Earth

Shape of the Earth In reality, the shape of the earth is elliptic, slightly bulked around the equator and slightly flattened in the poles.In navigation, earth is considered to be a sphere given that the errors caused by this assumption are negligible. The Movement of the Earth The earth, being a spherical isolated body in […]
Read more

Risk of Collision

1. Every vessel shall use all available means appropriate to the prevailing circumstances and conditions to determine if risk of collision exists. If there is any doubt such risk shall be deemed to exist. 2. Proper use shall be made of radar equipment if fitted and operational, including long-range scanning to obtain early warning of […]
Read more

Geographical Coordinates

The geographical coordinates are two: the latitude and the longitude. They determine the exact position of places and navigable means on the Earth’s surface. The network of geographical coordinates on the elliptic or on the sphere is a network of meridians and parallels. Is, in fact, a system of surface coordinates and presents in two […]
Read more

Direction

Direction of an object or a point on the Earth is called the relative position of the object in comparison to another object that is considered to be the initial, without taking under consideration, as a criterion, the distance between them. The most definite and practically comprehensible direction is the one that is oriented in […]
Read more

Narrow Channels

1. A vessel proceeding along the course of a narrow channel or fairway shall keep as near to the outer limit of the channel or fairway which lies on her starboard side as is safe and predictable. 2. A vessel of less than 20 meters in length or a sailing vessel shall not impede the […]
Read more

Categories

Latest Posts

Tags

Subscribe Newsletter

Sign up to receive notifications about the latest news and events from us!