Navigation Basics

By hartis Navigation, Maritime Safety No Comments

SafetyNET

SafetyNET is a service integral to the maritime industry, designed to disseminate real-time safety information to vessels to promote efficient and secure operations. It operates as part of the Global Maritime Distress and Safety System (GMDSS) under the Inmarsat satellite communication framework. This analysis explores the functional attributes of SafetyNET, its operational mechanism, and its […]

By hartis Navigation, Maritime Safety No Comments

Safe Speed

Look – Out Every vessel shall at all times maintain a proper look-out by sight and hearing as well as by all available means appropriate in the prevailing circumstances and conditions so as to make a full appraisal of the situation and of the risk of collision. Safe Speed Every vessel shall at all times […]

By hartis Navigation, Hydrography No Comments

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 […]

By hartis Navigation, Maritime Safety No Comments

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 […]

By hartis Navigation, Hydrography No Comments

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 […]

By hartis Maritime Safety, Navigation No Comments

COLREG Rule 8 – Action to Avoid Collision

Navigating the open seas involves an inherent level of risk, and the ability to take decisive and effective action to avoid collisions is crucial for every mariner. Rule 8 of the International Regulations for Preventing Collisions at Sea (COLREGs), established by the International Maritime Organization (IMO), outlines specific principles to guide vessels in avoiding collisions. […]