Marine Engineering and Naval Architecture

A ships anchor is an important component, used to prevent the ship from drifting from its location due to wind and tidal currents. Generally, larger ships having two bow and one stern anchor. Anchors can either be temporary or permanent. Permanent anchors are used in the creation of a mooring, and are rarely moved; a specialist service is normally needed to move or maintain them. Vessels carry one or more temporary anchors, which may be of different designs and weights. The  anchoring  equipment of  a  ship  comprises  the  anchor, anchor  chain  and  the  windlass. Anchor chains are connected to a windlass that can either be of vertical or horizontal design. A vertical windlass is known as a capstan, and we shall describe the operation of the anchor and its components using a capstan. The capstan has a drive wheel called a gypsy that is notched to suit the forged steel chain links. The chain is fed from the capstan along ...

The American Bureau of Shipping is authorized to assign Load Lines to vessels registered in the United States and other countries. Requests for the assignment of Load Lines are to be made on forms which will be furnished by one of the offices of ABS. The center of the ring is to be placed on each side of the vessel at the middle of the length, as defined in the Load Line Regulations. The ring and lines are to be permanently marked, as by center punch, chisel cut or bead of weld. AB American Bureau of Shipping TF Tropical Fresh Water Allowance  F Fresh Water Allowance  T Load Line in Tropical Zones S Summer Load Line  W Winter Load Line  WNA Winter North Atlantic Load Line 

 Where authorized by the Administration of a country signatory thereto and upon request of the Owners of a classed vessel or one intended to be classed, ABS will survey a new or existing vessel of the applicable size for compliance with the provisions of applicable International Conventions and Codes including, the following, and certify thereto in the manner prescribed in the Convention or Code. International Convention on Load Lines, 1966, as amended.  International Convention for the Safety of Life at Sea, 1974, as amended. International Convention on Tonnage Measurement of Ships, 1969. International Convention for the Prevention of Pollution from Ships, 1973/78, as amended. International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk. International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk. International Code for Safety for High Speed Craft (2000 HSC Code), 2000. 

Ships come in various descriptions and have hundreds of thousands of components, but there are a few parts that are common to all ships. In this guide, you can learn about how the basic parts of ships have evolved over the centuries. From floating vessels made of wood to ultra-modern cruise ships, the evolution in design and architecture of ships have come a long way. However there are a few parts that are and will always be common to ships (or rather sailboats or floating vessels) from those that were built 4000 years ago to the newest cruise ships that are nothing less than floating cities. Parts of Ships Common to All Ships Body of the Ship or The Hull: The hull of a ship is responsible for the floatation property of the ship. Generally ships are single hulled (monohull design). It's only other vessels like catamarans (two hulls) and trimarans (three hulls) that have more than one hull to keep it afloat. It is the hull that houses the engines that to which the propel...

If you are going to work in the shipping sector or have a general interest in sailing the seas then you might want to know what different types of ships there are. You may come across a wide range of different vessels and it’s useful to be able to identify them when you are out at sea. It is also important to note that safety regulations vary a lot depending on what type of ship you are operating. Each type of vessel has its own strict regulations that must be followed. Working on each type of ship can also be completely different, so it’s definitely worth doing your research before you apply for a job. For example, working on a fishing vessel is a completely different experience to a cargo ship. Marine industry experts and experienced sailors will have a good idea of the different types of ship. If you are new to the industry then here are some of the main types of international ships that you will probably come across on your travels. 1. Cargo Ships Cargo ships are generall...

Although everyone knows the difference between a boat and a ship, there are quite a few person who often get confused between the two terms a boat and a ship. Technically, there is a very thin line between them and this often leads to a major confusion between them. While talking about difference between a ship and a boat, the first thing that comes to one’s mind is their sizes. Traditionally people consider a ship as a large ocean going vessel, whereas boats are comparatively quite smaller in size. To understand the differences between ships and boats, a number of aspects need to be taken into consideration. Mentioned below are seven main aspects which are taken into account to differentiate between a ship and a boat. 1. Size The most important aspect that is considered while stating the difference between a ship and a boat is the size. It is said that the best way to differentiate between a ship and a boat is to remember that “A ship can carry a boat, but a boat can...

A ship is a large watercraft that travels the world's oceans and other sufficiently deep waterways, carrying passengers or merchandise, or in support of specialized missions, like defense, research and fishing. traditionally, a "ship" was a sailing ship with a minimum of 3 square-rigged masts and a full bowsprit. Ships are usually distinguished from boats, based on size, shape, load capacity, and tradition. Ships are necessary contributors to human migration and commerce. they have supported the spread of colonization and also the slave trade, but have additionally served scientific, cultural, and humanitarian needs. after the fifteenth century, new crops that had come from and to the americas via the european seafarers considerably contributed to the planet population growth. Ship transport is responsible for the largest portion of world commerce. As of 2016, there have been more than 49,000 merchandiser ships, totaling nearly 1.8 billion dead weight tons. ...