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, Nautical Cartography No Comments

Compass Rose

Compass rose is the result of the human need to determine the direction of the wind, namely the angle formed by the direction of the wind that comes with the True North. Horizon When looking at the high sea we see a circle at the end of which it seems that the sky and the […]

By hartis Navigation, Maritime Safety No Comments

Traffic Separation Schemes

(a) This rule applies to traffic separation schemes adopted by the Organization and does not relieve any vessel of her obligation under any other rule: (b) A vessel using a traffic separation shall: 1. proceed in the appropriate traffic lane in the general direction of traffic flow for that lane; 2. so far as practicable […]

By hartis Navigation, Hydrography No Comments

Course

It is the angle formed between the direction of the North and the extension of the longitudinal axis of the vessel. In accordance with the direction of the North, from which the measurement begins, the courses are divided in: 1. True Course 2. Magnetic Course 3. Compass Course Nowadays, the courses are measured exclusively in […]

By hartis Navigation, Maritime Safety No Comments

Overtaking

(a) Notwithstanding anything contained in the rules, any vessel overtaking any other shall keep out of the way of another vessel being overtaken. (b) A vessel shall be deemed to be overtaking when coming up with another vessel from a direction more than 22.5 degrees abaft her beam, that is, in such a position with […]

By hartis Navigation, Nautical Information No Comments

Bearing

In maritime navigation, the precise measurement of angles between the observer, objects, and reference points is crucial for safe and effective maneuvering. This blog post explains the key concepts of bearings and their applications in navigation. What is a Bearing? The term ‘bearing of an object’ refers to the angle formed between the direction of […]