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, Hydrography No Comments

Navigation

The term navigation expresses the procedures that are being applied for the safe command of the ship from one harbor to another or from one point of the globe to another in the least amount of time possible. Navigation, depending on the area a ship sails, the means and the instruments it uses, as well […]

By hartis Maritime Safety, Navigation No Comments

NAVTEX

NAVTEX (Introduction) NAVTEX is an international automated direct-printing service that promulgates navigational and meteorological warnings as well as urgent information to vessels. It has been developed to provide low cost maritime safety information and other information of vital importance. Its name results from the term ‘navigation telex’. NAVTEX system is recommended to administrations responsible for […]

By hartis Navigation, Nautical Information No Comments

Coastal Navigation

Coastal navigation is a navigational method concerning the vessel’s movement in relation to the approximate shore, the visible objects in the sea (islets, rocks, buoys, light vessels) and the sea depths. Coastal navigation demands great experience. The mariner has to be in continuous vigilance, given that in open sea a possible fault can be corrected […]

By hartis Navigation, Maritime Connectivity No Comments

Vessels Traffic Services V.T.S.

Vessel Traffic Services (VTS) are an established maritime system for managing vessel movements in high-traffic or environmentally sensitive areas. By facilitating real-time communication, monitoring, and response, VTS improves navigational safety, operational efficiency, and environmental protection. Often compared to air traffic control systems, VTS adapts similar principles to the maritime environment to ensure adherence to international […]

By hartis Navigation No Comments

Nautical Instruments

Except from the nautical chart, in order to ensure the required safety, the mariner is obliged to use a variety of nautical instruments. The appropriate use of the nautical chart requires certain “surveying instruments” that are mandatory in vessels. (1) Parallel for shaping courses and bearings (2) Pair of compasses for measuring distances (3) Protractor […]