Navigation Basics

By hartis Navigation, Maritime Safety No Comments

Traffic Separation Schemes

(a) This rule applies to traffic separation schemes adopted by the Organization and does not relieve any vessel of her obligation under any other rule: (b) A vessel using a traffic separation shall: 1. proceed in the appropriate traffic lane in the general direction of traffic flow for that lane; 2. so far as practicable […]

By hartis Hydrography, Navigation No Comments

Course

It is the angle formed between the direction of the North and the extension of the longitudinal axis of the vessel. In accordance with the direction of the North, from which the measurement begins, the courses are divided in: 1. True Course 2. Magnetic Course 3. Compass Course Nowadays, the courses are measured exclusively in […]

By hartis Maritime Safety, Navigation No Comments

Overtaking

(a) Notwithstanding anything contained in the rules, any vessel overtaking any other shall keep out of the way of another vessel being overtaken. (b) A vessel shall be deemed to be overtaking when coming up with another vessel from a direction more than 22.5 degrees abaft her beam, that is, in such a position with […]

By hartis Navigation, Nautical Information No Comments

Bearing

In maritime navigation, the precise measurement of angles between the observer, objects, and reference points is crucial for safe and effective maneuvering. This blog post explains the key concepts of bearings and their applications in navigation. What is a Bearing? The term ‘bearing of an object’ refers to the angle formed between the direction of […]

By hartis Navigation, Maritime Safety No Comments

Head-on Situation

Head-on Situation (a) When two power-driven vessels are meeting on reciprocal on nearly reciprocal courses so as to invoke risk of collision each shall alter her course to starboard so that each shall pass on the port side of the other. (b) Such a situation shall be deemed to exist when a vessel sees the […]

By hartis Navigation, Hydrography No Comments

Distance

Nautical Mile: For the measurement of distances navigation uses nautical mile. Nautical Mile equals to 1852 meters and is sub- divided into cables of one tenth of the nautical mile. The maximum value of a mile at the poles is 1864 meters and the minimum value at the equator is 1842,8 meters. Distance In navigation […]

Traffic Separation Schemes

Course

Overtaking

Bearing

Head-on Situation

Distance

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