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Cargo ship
A cargo ship or freighter is a merchant vessel designed to transport goods, commodities, and materials across seas and oceans. These ships form the backbone of international trade, carrying the majority of global freight by volume. Cargo ships vary widely in size and configuration, ranging from small coastal vessels to massive ocean-going carriers, and are typically specialized for particular types of cargo, such as containers, bulk goods, or liquids. Modern cargo ships are constructed from welded steel and equipped with loading mechanisms such as cranes or gantries. With a typical service life of 25 to 30 years, they operate under complex logistical networks and international regulations, playing a critical role in the global economy and maritime infrastructure.
The words cargo and freight have become interchangeable in casual usage. Technically, "cargo" refers to the goods carried aboard the ship for hire, while "freight" refers to the act of carrying of such cargo, but the terms have been used interchangeably for centuries.
Generally, the modern ocean shipping business is divided into two classes:
Larger cargo ships are generally operated by shipping lines: companies that specialize in the handling of cargo in general. Smaller vessels, such as coasters, are often owned by their operators.
Cargo ships, also known as freighters, are classified according to the nature of the cargo they are designed to transport. Major categories include:
A livestock carrier is a seagoing vessel for the transportation of live animals. Typically it is large ship used in the live export of sheep, cattle and goats. Livestock carriers may be specially built new or converted from container ships.
Specialized types of cargo vessels include container ships and bulk carriers (technically tankers of all sizes are cargo ships, although they are routinely thought of as a separate category). Cargo ships fall into two further categories that reflect the services they offer to industry: liner and tramp services. Those on a fixed published schedule and fixed tariff rates are cargo liners. Tramp ships do not have fixed schedules. Users charter them to haul loads. Generally, the smaller shipping companies and private individuals operate tramp ships. Cargo liners run on fixed schedules published by the shipping companies. Each trip a liner takes is called a voyage. Liners mostly carry general cargo. However, some cargo liners may carry passengers also. A cargo liner that carries 12 or more passengers is called a combination or passenger-run-cargo line.
Cargo ships are categorized partly by cargo or shipping capacity (tonnage), partly by weight (deadweight tonnage DWT), and partly by dimensions. Maximum dimensions such as length and width (beam) limit the canal locks a ship can fit in, water depth (draft) is a limitation for canals, shallow straits or harbors and height is a limitation in order to pass under bridges. Common categories of dry cargo include:
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Cargo ship AI simulator
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Cargo ship
A cargo ship or freighter is a merchant vessel designed to transport goods, commodities, and materials across seas and oceans. These ships form the backbone of international trade, carrying the majority of global freight by volume. Cargo ships vary widely in size and configuration, ranging from small coastal vessels to massive ocean-going carriers, and are typically specialized for particular types of cargo, such as containers, bulk goods, or liquids. Modern cargo ships are constructed from welded steel and equipped with loading mechanisms such as cranes or gantries. With a typical service life of 25 to 30 years, they operate under complex logistical networks and international regulations, playing a critical role in the global economy and maritime infrastructure.
The words cargo and freight have become interchangeable in casual usage. Technically, "cargo" refers to the goods carried aboard the ship for hire, while "freight" refers to the act of carrying of such cargo, but the terms have been used interchangeably for centuries.
Generally, the modern ocean shipping business is divided into two classes:
Larger cargo ships are generally operated by shipping lines: companies that specialize in the handling of cargo in general. Smaller vessels, such as coasters, are often owned by their operators.
Cargo ships, also known as freighters, are classified according to the nature of the cargo they are designed to transport. Major categories include:
A livestock carrier is a seagoing vessel for the transportation of live animals. Typically it is large ship used in the live export of sheep, cattle and goats. Livestock carriers may be specially built new or converted from container ships.
Specialized types of cargo vessels include container ships and bulk carriers (technically tankers of all sizes are cargo ships, although they are routinely thought of as a separate category). Cargo ships fall into two further categories that reflect the services they offer to industry: liner and tramp services. Those on a fixed published schedule and fixed tariff rates are cargo liners. Tramp ships do not have fixed schedules. Users charter them to haul loads. Generally, the smaller shipping companies and private individuals operate tramp ships. Cargo liners run on fixed schedules published by the shipping companies. Each trip a liner takes is called a voyage. Liners mostly carry general cargo. However, some cargo liners may carry passengers also. A cargo liner that carries 12 or more passengers is called a combination or passenger-run-cargo line.
Cargo ships are categorized partly by cargo or shipping capacity (tonnage), partly by weight (deadweight tonnage DWT), and partly by dimensions. Maximum dimensions such as length and width (beam) limit the canal locks a ship can fit in, water depth (draft) is a limitation for canals, shallow straits or harbors and height is a limitation in order to pass under bridges. Common categories of dry cargo include: