Navigation

Types of Navwarns

Region Navwarns Long range Programmed transmissions by the coordinator of the region. They can cover, in a 24 hour basis, a sea area that can be covered by a fast vessel (almost 700m). Coastal Navwarns Programmed transmissions by a national coordinating authority, via the national inshore stations. They cover the country’s sea area. Local Navwarns […]
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History of Navigation

The first venture of man to use the aquatic element for his transportation took place when he observed that some objects could float on the water, and consequently could help him to achieve his purpose. Thus, starting by the tree log and by joining more than one, he constructed the first raft that was gradually […]
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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 […]
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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 […]
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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 […]
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