Dirty flags
In the world there are enough small countries using not quite conventional methods of replenishing the treasury. Not all of these methods are illegal, but very often people who are…

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Convenient flag - cons
Seafarers who have contacted such companies and as a result got onto ships under the “convenient” flag (that is, under the flag of a country where super liberal liberal tax…

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Seismic ship Vyacheslav Tikhonov
Initially, dynamite was the sound source for marine seismic exploration. Due to its obvious danger, pneumatic guns were later used as a source. The accumulation of seismic data is a…

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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

Tragedies with thousands of victims: 5 worst marine disasters of the 20th century
The sea can be merciless. At all times, it was customary to destroy dozens and hundreds of sailors at a time. But what if the sea decides to take more…

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Shadow Crewing Scheme
In 2014, 10 sailors returned to Odessa, led by Captain Vasily Pariy. They worked for half a month on the vessel Vitoria7, owned by the Greek company Maritime Management Synergy…

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Seismic ship Vyacheslav Tikhonov
Initially, dynamite was the sound source for marine seismic exploration. Due to its obvious danger, pneumatic guns were later used as a source. The accumulation of seismic data is a…

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10 ships and watercraft that “break” traditional ideas about this type of transport
People in ancient times learned to overcome small and large water. Since then, water transport has occupied an important niche in the life of mankind. Technological progress and even the…

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