Ship prefixes generally refer to the abbreviations carved in front of the ship names, be it naval or merchant vessel, comprising of few letters compounded to denote a particular meaning. The prefixes can also refer to a few letters used to denote a particular fact.
Ship prefixes used on merchant vessels are mainly to point out the propulsion technique employed in the ship, such as the abbreviation “SS” means “steamship”, indicating that the ship runs on steam propulsion. Ship prefixes can also include type of ship such as “RV” which denotes “research vessel”, and it affirms the purpose of the ship, which in this case is to acquire knowledge in a systematic and scientific manner. Merchant ship prefixes though frequent in usage, may differ in style, for instance, a slash can be introduced in between, viz. “M/S”.
Usage of abbreviations in Naval Ships
On the other hand, the naval ship prefixes are extensively used to shorten the longer titles into easy short forms for convenient utilization. The “His/Her Majesty’s Ship” are examples of the long titles used in the Royal Navy and thus the ship names such as H.M.S (or HMS) have come into common use.
The ship prefix in the naval shipping also points out the ship type like the “U.S.F” (United States Frigate) referred to the frigates employed under the Navy section of The United states of America. Nowadays only an exclusive ship prefix is used to represent all the warships of the navy of a particular nation. In case of auxiliaries and the vessels of allied services, various ship names can be introduced such the “coast guards”.
It is not a compulsory rule that ship prefixes are to be attached with every vessel, and the Imperial Japanese Navy and the Kriegsmarine from Third Reich are good examples. Thus, the ship-naming process is not followed universally. Few English writers promote ship prefixes like the “IJN” that stands for “Imperial Japanese Navy” fleet, “HIJMS” referring to “His Imperial Japanese Majesty’s Ship”, and the “DKM” signifying “Deutsche Kriegsmarine” vessels. Interestingly, the names are an outcome of logical coherence and agreement with abbreviations like “HMS” or “USS”. Most of the writers simply follow the simple norms as prescribed by the navy and leave out the ship prefixes.
Alternative identification codes
Although after the onset of the 20th century, most of the navy organizations are inclined towards recognizing vessels by their specific hull numbers. These hull numbers are a type of identification codes that are marked on the ship’s sides. The practice of using hull numbers for identification purpose, differs from one navy to another. For instance, the Navy of United States of America prefer the usage of hull classification symbols while Europe’s Royal Navy and a few more European countries opt for the pennant numbering system.
Nomenclature for Merchant Vessels
In the year of 1939, a standard system of nomenclature was introduced by the Shipping Ministry of Britain that signified that all merchant vessels that are built in Britain on account of the Government should have the prefix “Empire” attached to their names. This was deemed mandatory, except in the case of very small merchant vessels. This new naming system was applicable to the purchased vessels or ships acquired through an authoritative request or demand, older vessels from The United States of America, modern leased vessels, ships won as a prize, salvaged and outfitted vessels, seized enemy vessels etc.
List of Ship Prefixes
Today, a wide variety of ship prefixes are used for naval and merchant vessels around the world. Some of the main used ones are as follows:
MT – Motor Tanker
MV/MS – Motor vessel/Motor Ship
NS – Nuclear Ship
RV- Research Vessel
LPG/C – Liquefied Petroleum Gas Carrier
LNG/C – Liquefied Natural Gas Carrier
NS- Nuclear Ship
PSV- Platform Supply Vessel
MY- Motor Yacht
AHT- Anchor Handling Tug
CS – Cable Ship
DSV- Diving Support Vessel/ Deep Submerge Vessel
FV- Fishing Vessel
GTS- Gas Turbine Ship
RMS – Royal Mail Ship
SS- Steam Ship
PSV – Platform Support Vessel
TS- Training Ship
SV- Sailing Vessel
References for the Full List of Ship Prefixes:
Naval nomenclature in some other countries
The Royal Navy from Netherlands, the English prefix used is “HLNMS” while the original Dutch one is “Hr.Ms” (or “Zr.Ms”). Since the Dutch names cannot be used on a broader platform or in documents written in English, the English ones are coined from the Dutch translations. In fact, it is a rule that unless a particular Dutch vessel from the Navy is launched into active service, it does not implement its ship prefixes. The ship name “NUSHIP” is used in Australia, to categorize the noncommissioned vessels in the fleet.
In the year of 1901, Theodore Roosevelt, the then President of United States passed a new law bill changing the agenda of the naval nomenclature of the country. Following which, a large number ship prefixes went out of use, except the ones like “USRC”, “USS”, “USNV” and “USNS”. Later on even “USRC” was declared obsolete and “USCGC” replaced it. This happened in 1915, when the Revenue Cutter Service had changed into the United States Coast Guard. A noncommissioned vessel in United States of America does not bear the right to use USS yet, and uses the “PCU” title meaning “Pre-Commissioned Unit”.
This implies, if a new aircraft-carrier vessel named Flattop is under construction in the US shipyard, it is continued to be called PCU Flattop till it receives commission. The “USS” prefix is only awarded when the vessel is introduced into active service in maritime sphere. According to the strict law, the United States Navy may not be able to buy foreign ships but can hire them under the United States Naval Vessels section.
It is a known observation that the United States Navy generally uses the ship prefixes without putting in articles, though an article “the” has been included in the “USS The Sullivans” vessel – as a tribute to the famous Sullivan brothers who lost their lives during the Second World War, and is an exceptional case of American ship nomenclature. Also, the equivalent British name of the vessel (“The HMS Flattop”) is not applicable as it would denote “The Her Majesty’s Ship” and it would be grammatically wrong.
Ship Prefix for retired ships
When a particular ship is declared out of active service, a prefix of “ex-” is attached in front of its name. This is done to separate the stricken vessel from any other vessel bearing the same name and in service, at that time. As an instance, the USS Constellation vessel (CV-64) came to be known as the “ex-Constellation” vessel after it accepted retirement in the year of 2003.
Each country has a different method for naming both naval and merchant vessels using ship prefixes. However, some ship prefixes are most commonly used and accepted around the world.
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