Navigation Basics

By hartis Navigation, Maritime Safety 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 […]

By hartis Navigation, Nautical Information No Comments

Anchoring

The process of selecting an anchorage and maneuvering a vessel requires thorough preparation, precise execution, and adherence to good seamanship. Mariners must carefully consider various environmental and operational factors to ensure safety and stability. Below is a detailed guide to anchorage selection, anchor dropping, anchorage checking, mooring, and alongside maneuvers. Anchorage Selection Before proceeding to […]

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, […]

NAVTEX

Coastal Navigation

Vessels Traffic Services V.T.S.

Nautical Instruments

Anchoring

Compass

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