Types of Underwater Vehicles and Submarines

TYPES OF UNDERWATER VEHICLES AND SUBMARINES

Different types and sizes of underwater vessels are used for various purposes, from defence to research and exploration. They can venture into the abysmal depths of the ocean and can stay put for hours to days. They are suitable for sustaining life inside or being unmanned. Moreover, they can be self-powered or operated by secondary modes of power.

Image for representation purposes only.

A submarine is the most prominent type of underwater vehicle. It is a self-propelled large underwater craft of...

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What Are Exploration Vessels?

Exploration

Exploration ships are like survey ships in terms of design, complement, characteristics, and capabilities, but with a subtle difference: exploration vessels are often required to venture into more challenging, harsh, remote, and uncharted environments.

As the name itself suggests, ‘explore’ essentially attributes to the capability of the vessel to travel to different locations, including those never discovered before, and carry out research and study work for a host of purposes in the field of...

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What Are Panamax Ships?

Panamax Ships were built in the 20th century when the Panama Canal, a crucial maritime chokepoint came into being. These ships were designed according to the canal’s dimensions so they could pass through its original locks and transport goods between the Atlantic and the Pacific Oceans.

Representation Image Only

The term ‘Panamax’ is a combination of the words ‘Panama’ and ‘maximum’, which means the maximum size of a vessel that can pass through the locks of the Panama Canal. While these ships...

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What are Research Vessels?

Research vessel

Oceanological explorations are indispensable to the broad spectrum of science and technology, research, innovation, and development. Most scientific research on our planet is centred around oceans and seas.

Oceans are vast repositories of energy reserves, natural resources, flora and fauna, and, of course, dictating the entire climate system of the world. Moreover, oceans remain the dominant means of global trade, commerce, and transport, thanks to shipping and several applications in terms of...

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LPG Tankers and Types of LPG Tankers

LPG

LPG tankers or LPG Carriers are specialised vessels designed for the transportation of liquified petroleum gas in bulk, under controlled temperature and pressure conditions. There are different types of LPG tankers, having a different design and size suited for different voyage lengths, ranging from short, medium to long-haul voyages.

This article will discuss everything you need to know about LPG Tankers along with the Types of LPG Tankers and the latest trends in the LPG Tanker Market.

Image...

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What Are Survey Ships?

Research vessel

Survey ships are mainly used for studying, researching, and inspecting oceanic features.

The Ocean floor is rife with physical, geological, geospatial, topographical, hydrological, hydrographical, chemical, biological, and environmental typicality that captivates the interest of the scientific, research, and engineering domain now and then.

Moreover, beyond the study, the knowledge encompassing the ocean’s characteristics is utilised for ocean and coastal engineering, offshore engineering,...

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What Are Cutting Suction Dredgers?

Cutting Suction Dredgers

Dredging is the removal of natural deposits from the bed of a sea, river, or lake. These natural deposits include clay, mud, silt, sediments, sludge, rocks, and debris, which are stripped away after being accumulated in large amounts over prolonged periods on river or sea beds.

Dredging is beneficial for a host of purposes including:

  • To maintain navigable water channels or waterways such that the depth of these environments remains high, and such depth values essentially cater to the minimal...

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What are Hopper Barges?

Hopper Barges

Barges are old workhorses in maritime trade and commerce, especially in the domain of domestic supplies. They often act as ancillary support to mainstream commercial vessels participating in intercontinental freight transport. Though most barges are designed to operate in shallow waters like inland routes, rivers, or coastal zones, many sail in deeper waters, too.

Barges are of many types, depending on service, configuration, size, and propulsion. Hopper barges are primarily used for dredging...

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What is a Barge?

Barge and Their Design

Barges are the simplest form of floating vessels, and they are used for a wide variety of purposes, from general-purpose cargo carriage to heavy lifting of structures such as offshore platforms. 

Barges are flat-bottomed, box-shaped or nearly box-shaped vessels with simple configurations. They usually lack a superstructure and most features we see on other ships. They are broad in shape and have typically low draft values. 

Most barges are meant for plying on inland waterways, but some are also...

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What Are Accommodation Barges?

Accommodation Barges: Capacity, Amenities

Accommodation barges are specialised vessels that offer living spaces for personnel in marine environments. These vessels mainly serve the offshore oil and gas industry and marine construction sector. The U.S. Navy also uses accommodation barges or floatels to house crews when ships are in port for maintenance and repairs.

Accommodation barges usually have shallow drafts and are moored next to offshore platforms or construction sites to provide additional...

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