Ship prefix

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A ship prefix is a combination of letters, usually abbreviations, used in front of the name of a civilian or naval ship.

Prefixes for civilian vessels may either identify the type of propulsion, such as "SS" for steamship, or purpose, such as "RV" for research vessel. Civilian prefixes are often used inconsistently, and frequently not at all. Sometimes a slash is used to separate the letters, as in "M/S".

Naval prefixes came into use as abbreviations for longer titles, such as "His/Her Majesty's Ship" in the Royal Navy, abbreviated "H.M.S." and then "HMS". Earlier uses often included the type of vessel, as for instance "U.S.F." ("United States Frigate") for frigates of the United States Navy. Today the common practice is to use a single prefix for all warships of a nation's navy, and other prefixes for auxiliaries and ships of allied services, such as coast guards.

The use of ship prefixes is not universal; in particular neither the Third Reich's Kriegsmarine nor the Imperial Japanese Navy used ship prefixes. Some English-language writers use prefixes like "DKM" (for "Deutsche Kriegsmarine") and "HIJMS" (for "His Imperial Japanese Majesty's Ship") or "IJN" (for "Imperial Japanese Navy", a translation of 大日本帝国海軍 dai-nippon teikoku kaigun) for consistency with "HMS" and "USS". Other writers follow the practice of the navy and omit any prefix.

From the 20th century onwards, most navies identify ships by hull numbers — identification codes typically painted on the side of the ship. Each navy has its own system: the United States Navy uses hull classification symbols, and the Royal Navy and other navies of Europe and the Commonwealth use pennant numbers.

These tables list both current and historical prefixes known to have been used.

Contents

[edit] Generic (Merchant Navy) prefixes

  Prefix   Meaning
AHT Anchor Handling Tug
AHTS Anchor Handling Tug Supply vessel
CRV Coastal Research Vessel
DB Derrick Barge
DLB Derrick Lay Barge
DCV Deepwater Construction Vessel
DSV Diving Support Vessel/ Deep Submergence Vehicle
FPSO Floating Production, Storage and Offloading Vessel
FPV Free Piston Vessel
FPV Fishery Patrol Vessel
FV Fishing Vessel
GTS Gas Turbine Ship
HLV Heavy lift vessel
HSC High Speed Craft
HTV Heavy Transport Vessel
LB Liftboat
LNG/C Liquefied natural gas carrier
LPG/C Liquefied petroleum gas carrier
MF Motor Ferry
MS (M/S) Motor Ship (interchangeable[citation needed] with MV)
MSY Motor Sailing Yacht
MT Motor Tanker
MV (M/V) Motor Vessel (interchangeable[citation needed] with MS. Also Majesty's Vessel According to Professor Craig Lawson, University of Nebraska College of Law)
MY Motor Yacht
nb Narrowboat
NRV NATO Research Vessel
NS Nuclear Ship
OSV Offshore Support Vessel
PS Paddle Steamer
PSV Platform Supply Vessel
RV Research Vessel
RMS Royal Mail Ship
SB Sailing Barge
SS (S/S) Steamship
SSCV Semi-Submersible Crane Vessel
SSV Sailing School Vessel
ST Steam Tug
STV Sailing Training Vessel
SV Sailing Vessel
SY Sailing Yacht or Steam Yacht
TIV Turbine Installation Vessel
TS Turbine Steamer
TSS Turbine Steam Ship
TV Training vessel

[edit] National or military prefixes

Country Service Prefix Meaning
 Argentina Argentine Navy ARA Navy of the Argentine Republic (Spanish: Armada de la Republica Argentina)
 Australia Royal Australian Navy HMAS His/Her Majesty's Australian Ship
 Australia (Victoria) Royal Navy HMVS His/Her Majesty's Victorian Ship (obsolete)
 Bahamas Bahamian Defence Force HMBS His/Her Majesty's Bahamian Ship
 Bangladesh Bangladesh Navy BNS Bangladesh Naval Ship
 Barbados Barbadan Defence Force HMBS His/Her Majesty's Barbadian Ship
 Belgium Belgian Navy BNS Belgium Naval Ship (NATO prefix)
 Brunei Royal Brunei Navy KDB Kapal Di-Raja Brunei — Royal Brunei Ship
 Burma Burmese Navy UBS Bamar Sit Yay Yin — Union of Burma Ship
 Canada Canadian Forces Maritime
Command (MARCOM)
HMCS/NCSM His/Her Majesty's Canadian Ship/Navire Canadien de Sa Majesté
CFAV Canadian Forces Auxiliary Vessel[1] (operated by Defence R&D Canada)
Canadian Coast Guard CCGS Canadian Coast Guard Ship
Canadian Coast Guard CCGC Canadian Coast Guard Cutter
 Colombia Armada Nacional ARC Armada de la Republica de Colombia
 Confederate States of America Confederate States Navy CSS Confederate States Ship (obsolete)
 Cook Islands Cook Islands Police CIPPB Cook Islands Police Patrol Boat
 Denmark Royal Danish Navy HDMS (Danish: KDM) His/Her Danish Majesty's Ship (Danish: Kongelige Danske Marine)
 Ecuador Armada Ecuatoriana BAE Buque de la Armada de Ecuador
 Estonia Estonian Navy ENS (Estonian: EML) Estonian Naval Ship (NATO designation)
Estonian Coast Guard ECGS Estonian Coast Guard Ship (NATO designation)
 Fiji Republic of Fiji Navy RFNS Republic of Fiji Naval Ship
 Finland Finnish Navy FNS Finnish Navy Ship. Prefixes are not used in Finnish-language communications.
 France French Navy FS French Ship (NATO designation); France does not use prefixes internally
 German Empire Kaiserliche Marine SM U## Seiner Majestät Unterseeboot (English: His Majesty's Submarine)
Kaiserliche Marine SMS Seiner Majestät Schiff (English: His Majesty's Ship)
 Nazi Germany Kriegsmarine (no prefix; some authors use "DKM" for "Deutsche Kriegsmarine" and "KMS" for "Kriegsmarine Schiffe")
 West Germany Bundesmarine FGS Federal German Ship (NATO designation); West Germany did not use prefixes internally
 Germany (reunited) Deutsche Marine FGS Federal German Ship (NATO designation); Germany does not use prefixes internally
Flag of Greece Kingdom of Greece Royal Hellenic Navy ΒΠ (VP) Βασιλικόν Πλοίον (Vassilikón Ploíon), "Royal Ship"; RHS (Royal Hellenic Ship) or HHMS (His Hellenic Majesty's Ship) in use by English-language authors and contemporary foreign navies.
 Greece Hellenic Navy HS Hellenic Ship :NATO designation, used in international communications; internally the Hellenic Navy uses prefixes indicating ship type.
 Guyana ?? GDFS Guyanan Defence Forces Ship
 Iceland Icelandic Coast Guard ICGV (Icelandic: VS) Icelandic Coast Guard Vessel, (Icelandic:Varðskip)
 India Indian Navy (pre-Republic) HMIS His/Her Majesty's Indian Ship
 India Indian Coast Guard CGS Coast Guard Ship
Indian Navy INS Indian Naval Ship
 Indonesia Indonesian Navy KRI Kapal Republik Indonesia (Republic of Indonesia Ship)
 Ireland Irish Naval Service Long Éireannach — Irish ship
 Israel Israeli Sea Corps INS Israeli Naval Ship (Internally Hebrew acronym אח"י (A.Ch.Y.) is used standing for אניית חיל הים (Oniyat Heyl HaYam - Sea Corps Ship)
Flag of Italy Italy, Kingdom of
(until 1946)
Regia Marina RN Regia Nave -- Royal Ship, sometimes unofficially "RM", standing for "Regia Marina"
Regia Marina R.Smg. Regio Sommergibile -- Royal Submarine
 Italy Marina Militare ITS Italian Ship (NATO designation); Italy no longer uses prefixes
 Empire of Japan Imperial Japanese Navy (no prefix; some authors use "HIJMS" for "His Imperial Japanese Majesty's Ship" and "IJN" for "Imperial Japanese Navy")
 Japan Japan Maritime Self-Defense Force JDS or JS Japanese Defense Ship or Japanese Ship
 Kenya Kenyan Navy KNS Kenyan Naval Ship
 Kiribati Kiribati Police Force RKS Republic of Kiribati Ship
 South Korea Republic of Korea Navy ROKS Republic of Korea Ship
 Latvia Latvian Navy LVNS Latvian Naval Ship (NATO designation)
 Lithuania Lithuanian Navy LKL

LNS

Lietuvos Karinis Laivas -- Lithuanian Military Ship

Lithuanian Ship (NATO designation)

 Malaysia Royal Malaysian Navy KD Kapal Di-Raja — His Majesty's Ship, literal: Royal Ship
 Marshall Islands Marshall Islands Police RMIS Republic of the Marshall Islands Ship
 Federated States of Micronesia FSM National Police FSS Federated States Ship
 Mexico Armada de México ARM Armada de la República Mexicana
 Myanmar Tatmadaw Yay UMS Myanma Sit Yay Yin — Union of Myanmar Ship
 Netherlands Royal Netherlands Navy HNLMS (Dutch: Hr.Ms. or Zr.Ms.) His/Her Netherlands Majesty's Ship (Dutch: Harer Majesteits or Zijner Majesteits)
 New Zealand Royal New Zealand Navy HMNZS His/Her Majesty's New Zealand Ship
 Nigeria ? NNS Nigerian Naval Ship
 Norway Royal Norwegian Navy HNoMS (Norwegian: KNM) His Norwegian Majesty's Ship (Norwegian: Kongelige Norske Marine)
Norwegian Coast Guard NoCGV (Norwegian: KV) Norwegian Coast Guard Vessel (Norwegian: Kystvakten)
 Oman Royal Navy of Oman SNV Sultanate Naval Vessel
 Pakistan Pakistani Navy PNS Pakistani Naval Ship
 Palau Palau Police PSS Palau State Ship
 Papua New Guinea Papua New Guinea Defence Force HMPNGS His/Her Majesty's Papua New Guinea Ship
 Peru Peruvian Navy BAP Peruvian Navy Ship (Spanish: Buque Armada Peruana)
Peruvian Navy BIC Scientific Research Ship (Spanish: Buque de Investigación Científica)
 Philippines Philippine Navy BRP Barko ng Republika ng Pilipinas
(Ship of the Republic of the Philippines)
Philippine Navy RPS Republic of the Philippines Ship (Obsolete)
 Poland Polish Navy ORP Ship of the Republic of Poland
(Polish: Okręt Rzeczypospolitej Polskiej)
 Portugal Marinha Portuguesa NRP Navio da República Portuguesa - Portuguese Republic Ship
Marinha Portuguesa PNS Portuguese Navy Ship (NATO designation, not used internally)
Marinha Portuguesa UAM Unidade Auxiliar da Marinha - Navy Auxiliary Unit (used by the Portuguese Navy non-military ships)
 Romania Romanian Navy NMS Nava Majestatii Sale (His/Her majesty's Ship) - used before 1945 by the Royal Romanian Navy
 Russia Russian Navy RFS Russian Federation Ship; Russia does not use prefixes internally
 Saudi Arabia Saudi Navy HMS His Majesty's Ship — the same as the Royal Navy
 Singapore Republic of Singapore Navy RSS Republic of Singapore Ship
 Solomon Islands Royal Solomon Islands Police RSIPV Royal Solomon Islands Police Vessel
 South Africa South African Navy SAS South African Ship (previously HMSAS - His/Her Majesty's South African Ship)
South African Navy SATS South African Training Ship
 Spain Armada Española SPS Spanish Naval Ship (Spain does not use prefixes internally)
 Sri Lanka Sri Lankan Navy SLNS Sri Lanka Naval Ship
 Sweden Royal Swedish Navy HMS Hans/Hennes majestäts skepp — the same as the Royal Navy but in Swedish
 Republic of China Republic of China Navy ROCS (older usage: CNS) Republic of China Ship (older usage: Chinese Navy Ship)
 Thailand Royal Thai Navy HTMS His Thai Majesty's Ship
 Tonga Tonga Defence Services VOEA Vaka O Ene Afio (His Majesty’s Vessel)
 Turkey Turkish Navy TCG Ship of the Turkish Republic (Turkish: Türkiye Cumhuriyeti Gemisi)
 Tuvalu Tuvalu Police Force HMTSS His/Her Majesty's Tuvaluan State Ship
 Trinidad and Tobago Trinidad and Tobago Defence Force TTS Trinidad and Tobago Ship
 United Kingdom Ships carrying mail RMS Royal Mail Steamer/Ship
Fishery protection vessels FPV Fisheries Protection Vessel
Royal Fleet Auxiliary ships RFA Royal Fleet Auxiliary
Royal Maritime Auxiliary
Service
ships
RMAS Royal Maritime Auxiliary Service
Royal Navy HM Sloop His/Her Majesty's Sloop (now obsolete)
Hospital ships HMHS His/Her Majesty's Hospital Ship
Royal Navy HMS His/Her Majesty's Ship/Submarine
Royal Navy HMSm His/Her Majesty's Submarine
Royal Navy HMT Hired Military Transport (not currently in use)
British Army HMAV His/Her Majesty's Army Vessel (not currently in use)
Royal Air Force HMAFV His/Her Majesty's Air Force Vessel (not currently in use)
Royal Navy HMY His/Her Majesty's Yacht (not currently in use)
Royal Navy HMMGB His/Her Majesty's Motor Gun Boat (not currently in use)
Royal Navy HMM His/Her Majesty's Monitor (not currently in use)
Royal Navy HMSML His/Her Majesty's Small Motor Launch
Joint Services HMSTC His/Her Majesty's Sail Training Craft
Trinity House THV Trinity House Vessel (Lighthouse and Buoy Tender)
Northern Lighthouse Board NLV Northern Lighthouse Vessel (Lighthouse tender)
British Army RCLV Royal Corps of Logistics Vessel (not currently in use)
Royal Navy HBMS His/Her Britannic Majesty's Ship (archaic)
Royal Navy HM His/Her Majesty's, then used with the type of ship in military use (e.g. "HM Trawler")
Government research ships RRS Royal Research Ship
 United States U.S. Air Force USAF, USAFS United States Air Force ship (not currently in use)
U.S. Army USAS United States Army Ship
U.S. Army USAV United States Army Vessel
U.S. Army USAT United States Army Transport (not currently in use)
U.S. Army USAHS United States Army Hospital Ship (not currently in use)
U.S. Navy USF United States Frigate (obsolete)
U.S. Navy USFS United States Flagship (obsolete)
U.S. Navy USS United States Ship
U.S. Navy Military Sealift Command USNS United States Naval Ship (USN owned, civilian crews)
U.S. Navy Military Sealift Command USNV United States Naval Vessel (foreign-built, USN-leased, USN crews)[2]
United States Coast Guard USCGC United States Coast Guard Cutter
United States Coast Guard USCGD United States Coast Guard Destroyer (not currently in use)
United States Lighthouse Service USLHT United States Lighthouse Tender (obsolete)
United States Revenue Cutter Service USRC United States Revenue Cutter (obsolete)
National Oceanic and Atmosphere Administration NOAAS NOAA Research Vessel
 Uruguay Uruguayan Navy ROU Republica Oriental del Uruguay
 Vanuatu Vanuatu Police Force RVS Republic of Vanuatu Ship
 Venezuela Venezuelan Navy FNV Fuerzas Navales de Venezuela Not in use since 1949
Venezuelan Navy ARV Armada Republica de Venezuela Not in use 1999
Venezuelan Navy ARBV Armada Republica Bolivariana de Venezuela

[edit] Notes and references

The designations for United Kingdom ships applied at the time of the British Empire, before the establishment of separate navies for the Dominions.[citation needed]

In the Royal Netherlands Navy, "HNLMS" is the prefix in English, a translation of the Dutch original "Hr.Ms." or "Zr.Ms.". "Hr.Ms." should preferably not be used English-language documents; nevertheless it is often seen on the World Wide Web. Until the moment a Dutch naval ship officially enters active service in the fleet, the ship's name is used without the prefix.

In Australia, the prefix NUSHIP is used to denote ships that have yet to be commissioned into the fleet.

In the United States Navy, all prefixes other than "USS," "USNS", "USNV", and "USRC" were obsoleted in 1901 when President Theodore Roosevelt signed into law a bill fixing American naval nomenclature. USRC was replaced by USCGC when the Revenue Cutter Service became the United States Coast Guard in 1915.

A United States ship that has not yet been commissioned in the Navy does not hold the title of USS, it holds the title of PCU (Pre-commissioned unit). For example, say a shipyard is building a new aircraft carrier, the Flattop. From the date the keel is laid to the date it is commissioned, it is called the PCU Flattop. Only after it enters active service in the fleet and is commissioned will it be referred to as USS Flattop.

By law, the U.S. Navy may not purchase foreign-built ships, but it may lease them as United State Naval Vessels.[2]

When it is stricken from the fleet list, a ship typically has the prefix "ex-" added to its name, to distinguish it from any active ships bearing the same name. For example, after USS Constellation (CV-64) was retired in 2003, she became referred to as ex-Constellation.

Note that while calling a US ship "the USS Flattop" may make grammatical sense, the preliminary article "the" is deprecated by nearly all style guides, and the U.S. Navy. The U.S. Navy uses ship names without article, except for USS The Sullivans, named for the five Sullivan brothers, all lost at sea during World War II. Its British equivalent ("the HMS Flattop") is also deprecated, since "the Her Majesty's Ship" would be grammatically incorrect.

[edit] Civilian ships naming

In 1939, the British Ministry of Shipping adopted a standard naming system whereby all merchant ships ordered to be built in Britain to Government account, except very small ship types, would be given the prefix 'Empire' to their name. This applied to ships acquired through purchase, requisition, or taken in prize, with some exceptions. It also applied to older ships acquired from the USA, modern ships acquired on Lease/Lend arrangements, salved and refitted ships, and captured enemy ships.

[edit] Notes

  1. ^ "Canadian Forces Auxiliary Vessel Quest". Defence R&D Canada — Atlantic. 2006-10-17. http://www.atlantic.drdc-rddc.gc.ca/factsheets/15_research_sea_e.shtml. Retrieved on 2008-09-27. 
  2. ^ a b Lt. Cdr. Phillip Pournelle, USN (2005-09-09). "And now another report from Lt. Cdr. Phillip Pournelle:". Jerrypournelle.com. http://www.jerrypournelle.com/archives2/archives2mail/mail378.html#Friday. Retrieved on 2008-09-27. 

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