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 No Comments

Compass

Magnetic Compass It is a valuable and basic navigational instrument that is fully combined with the vessel’s safety. It consists of the magnetic needle that is freely hanged on a horizontal plane. When at land, it is affected by the earth’s magnetism and is oriented towards the direction of the magnetic North. In iron vessels, […]

By hartis Navigation, Maritime Safety No Comments

Light Marking

The term ‘light marking’ defines the device that is installed outside from the vessel and emits light from a determined geographical point in order to help the mariner to determine his position, to navigate with safety, to mark and warn for nautical dangers and other obstacles. In general, these devices are called ‘lights’ and are […]

By hartis Navigation, Maritime Safety No Comments

IALA Maritime Buoyage System

The need for the establishment of a unified buoyage system became crucial the last decades, because of the great extend of the international navigational traffic, the accidents and, finally, because of the variety of the buoyage systems that were locally applied by the States. It has to be highlighted that during 1975 more than 30 […]

By hartis Navigation, Nautical Cartography No Comments

Printed Nautical Charts

Regarding to their scale, nautical maps are divided into two categories. Large scale charts and small scale charts. The map’s scale shows how many times a surface or a line of specific dimensions on the earth has been made smaller. This surface or line is depicted on the map. This means that the bigger the […]

By hartis Navigation, Maritime Safety No Comments

COLREGs – Applicability and General Definitions

1. These rules shall apply to all vessels upon the high seas and in all waters connected therewith navigable by seagoing vessels. 2. Nothing in these Rules shall interfere with the operation of special rules made by an appropriate authority for road steads, harbors, rivers, lakes or inland waterways connected with the high seas and […]