Navigation

By hartis Navigation, Maritime Safety No Comments

Responsibilities Between Vessels

(a) A power driven vessel underway shall keep out of the way of: (i) a vessel not under command; (ii) a vessel restricted in her ability to manoeuvre; (iii) a vessel engaged in fishing; (iv) a sailing vessel (b) A sailing vessel underway shall keep out of the way of: (i) a vessel not under […]

By hartis Navigation No Comments

The Iron Age and the Polyremes of the Geometric Period

The Polyremes of the Geometric period From the Geometric, and the archaic periods some superb examples of vase painting with representations of beautiful sleek ships have been preserved. This is the period of the development of the longship which is pictures with a mpaddingultitude of oars and sometime with more than a bank of oarsmen. […]

By hartis Navigation, Hydrography No Comments

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 Navigation, Maritime Safety No Comments

G.M.D.S.S

Global Maritime Distress and Safety System Radio has been the foundation of distress and safety systems used by ships for the safety of human life at sea in 1899. It was soon realized that to be effective a radio based distress and safety system had to be founded on internationally agreed rules concerning the type […]

By hartis Navigation No Comments

The Classical Period and the Athenian Hegemony

The Athenian Trireme (Triere) and the Athenian hegemony When we think of polyremes, warships with more than a bank of oars, the triere, the most famous of these vessels, comes to our mind. The superiority of this Athenian ship — that was developed in Corinth, with three banks of oars — is confirmed in more […]

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 […]

Navigation

Responsibilities Between Vessels

The Iron Age and the Polyremes of the Geometric Period

Navigation

G.M.D.S.S

The Classical Period and the Athenian Hegemony

Coastal Navigation

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