In Norway, an underwater structure is being built, where soon queues of people wishing to get inside
Many people want to see the mysterious life of the underwater world: someone is reviewing National Geographic issues for this, someone is mastering diving, and someone ... is going to…

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Next Generation Ferry
FSUE “Rosmorport” has begun to agree on a draft of a new sea railway - car - passenger ferry for the Ust - Luga - Baltiysk - Sassnitz line, designed…

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About units
Nautical Mile - a unit of length equal to one arc minute of the meridian. Due to the fact that the Earth has the shape of a spheroid, this length…

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meridian

Why the speed of sea transport is determined in knots

On land, speed is determined in kilometers or miles per hour, but when it comes to measuring the speed of water transport, the count is kept in some mysterious “nodes”. Where did this name come from and what does it correspond to in our time. In order to understand this, one should turn to maritime tradition and history.

At the dawn of seafaring, no special instruments existed for determining the position of a ship at sea. Continue reading

Marine units of length and speed

To measure at sea the distances between different points and the path traveled by the ship, a value called the nautical mile is adopted.

Nautical mile – the average arc length of one minute of the earth meridian.

The length of the arc of one minute of the earth’s meridian is 1 ‘= 1852.23 – 9.34 cos 2φ, where φ is the latitude of the ship’s elevation in degrees. Continue reading

The seas and oceans of the planet
The area of ​​the oceans is 71% of the surface area of ​​the Earth. The Southern Ocean is the fourth largest ocean in the Earth surrounding Antarctica. Although the concept…

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Proofreading materials
Nautical charts, directions, hydrometeorological aids and other navigation guidelines can only ensure navigational safety of navigation if they are constantly maintained at the present level by updating them. Therefore, the…

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The man was washed overboard, but he remembered the reception of US special forces with his pants and lasted 3 hours in the ocean to the rescue
Water is the source of life on Earth, but at the same time it is one of the most insidious substances for humans. Especially when it comes to ponds or…

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The man was washed overboard, but he remembered the reception of US special forces with his pants and lasted 3 hours in the ocean to the rescue
Water is the source of life on Earth, but at the same time it is one of the most insidious substances for humans. Especially when it comes to ponds or…

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