Ship Prefix
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
.
Table of ship prefixes
This table lists both current and historical prefixes known to have been used.
align=left| Country
align=left| Service
align=left width=120| Prefix
align=left| Meaning
eneric
all
DSV
Deep Submergence Vessel
eneric
all
MS
Motor Ship
eneric
all
MSY
Motor Sailing Yacht
eneric
all
MT
Motor Tanker
eneric
all
MV
Motor Vessel
eneric
all
NS
Nuclear Ship
eneric
all
PS
Paddle Steamer
eneric
all
RV
Research Vessel
eneric
all
SS
Steam Ship
eneric
all
SV
Sailing Vessel
eneric
all
TS
Turbine Steamer
rgentina
Argentine Navy
ARA
Armada de la Republica Argentina
ustralia
Royal Australian Navy
HMAS
His/Her Majesty's Australian Ship
ahamas
Bahamian Defense Force
HMBS
His/Her Majesty's Bahamian Ship
angladesh
Bangladesh Navy
BNS
Bangladesh Naval Ship
arbados
Barbadan Defence Force
HMBS
His/Her Majesty's Barbadian Ship
elgium
Belgian Navy
BNS
Belgium Naval Ship (NATO prefix)
anada
Canadian Forces Maritime Command
HMCS
His/Her Majesty's Canadian Ship
anada
Canadian Coast Guard
CCGS
Canadian Coast Guard Ship
anada
Canadian Coast Guard
CCGC
Canadian Coast Guard Cutter
olombia
Armada Nacional
ARC
Armada de la Republica de Colombia
onfederate States of America
Confederate States Navy
CSS
Confederate States Ship
enmark
Royal Danish Navy
HDMS (Danish: KDM)
His/Her Danish Majesty's Ship (Danish:
Kongelige Danske Marine
)
cuador
??
BAE
Buque de la Armada de Ecuador
iji
??
RFNS
Republic of Fiji Naval Ship
inland
Finnish Navy
FNS
Finnish Navy Ship
rance
French Navy
FS
French Ship (NATO designation); France does not use prefixes internally
erman Empire
Kaiserliche Marine
SM U-##
Seiner Majestät Unterseeboot
erman Empire
Kaiserliche Marine
SMS
Seiner Majestt Schiff
ermany (
Third Reich
)
Kriegsmarine
—
(no prefix; some authors use "DKM" for "Deutsche Kriegsmarine")
ermany
Bundesmarine
FGS
Federal German Ship (NATO designation)
reece
Hellenic Navy
HS
Hellenic Ship (NATO designation)
uyana
??
GDFS
Guyanan Defense Forces Ship
ndia
Indian Navy (pre-Republic)
HMIS
His/Her Majesty's Indian Ship
ndia
Indian Navy
INS
Indian Naval Ship
reland
Irish Naval Service
LE
Long ireannach
— Irish ship
srael
Israeli Navy
INS
Israeli Naval Ship
taly, Kingdom (until 1946)
Regia Marina
RN
Regia Nave
-- Royal Ship
taly, Kingdom (until 1946)
Regia Marina
RS
Reale Sottomarino
-- Royal Submarine
taly, Republic (since 1946)
Marina Militare
NMM
Nave Marina Militare
-- Navy Ship
apan
Imperial Japanese Navy
—
(no prefix; some authors use "HIJMS" for "His Imperial Japanese Majesty's Ship")
apan (after WWII)
Japan Maritime Self-Defense Force
JDS
JMSDF Defense Ship
enya
?
KNS
Kenyan Naval Ship
alaysia
Royal Malaysian Navy
KD
Kapal Di-Raja
— Royal Ship
etherlands
Royal Netherlands Navy
HNLMS (Dutch: Hr.Ms. or Zr.Ms.)
His/Her Netherlands Majesty's Ship (Dutch:
Harer Majesteits
or
Zijner Majesteits
)
ew Zealand
Royal New Zealand Navy
HMNZS
His/Her Majesty's New Zealand Ship
igeria
?
NNS
Nigerian Naval Ship
orway
Royal Norwegian Navy
HNoMS (Norwegian: KNM)
His Norwegian Majesty's Ship (Norwegian:
Kongelige Norske Marine
)
orway
Norwegian Coast Guard
KV
Kystvakt
man
?
SNV
Sultanate Naval Vessel
akistan
Pakistani Navy
PNS
Pakistani Naval Ship
apua New Guinea
?
HMPNGS
His/Her Majesty's Papua New Guinea Ship
eru
Peruvian Navy
BAP
Buque Armada Peruana
hilippines
Philippine Navy
BRP
Barka ng Republika ng Pilipinas
oland
Polish Navy
ORP
Polish Republic Naval Ship
(Polish:
Okręt Rzeczypospolitej Polskiej
)
ortugal
Marinha de Guerra Portuguesa
NRP
Portuguese Republic Ship (
Navio da Repblica Portuguesa
)
audi Arabia
Saudi Navy
HMS
His Majesty's Ship — the same as the
Royal Navy
ingapore
Republic of Singapore Navy
RSS
Republic of Singapore Ship
outh Africa
South African Navy
SAS
South African Ship
pain
Armada Espanola
SPS
Spanish Naval Ship
ri Lanka
Sri Lanka Navy
SLNS
Sri Lanka Naval Ship
weden
Royal Swedish Navy
HMS
His/Her Majesty's Ship — the same as the
Royal Navy
hailand
Royal Thai Navy
HTMS
His Thai Majesty's Ship
urkey
Turkish Navy
TCG
Trkiye Cumhuriyeti Gemisi
rinidad & Tobago
?
TTS
Trinidad & Tobago Ship
nited Kingdom
Ships carrying mail
RMS
Royal Mail
Steamer
nited Kingdom
Royal Fleet Auxiliary
RFA
Royal Fleet Auxiliary
nited Kingdom
Hospital ships
HMHS
His/Her Majesty's Hospital Ship
nited Kingdom
Royal Navy
HMS
His/Her Majesty's Ship/Submarine
nited Kingdom
British Army
HMAV
His/Her Majesty's Army Vessel (not currently in use)
nited Kingdom
Royal Air Force
HMAFV
His/Her Majesty's Air Force Vessel (not currently in use)
nited Kingdom
Royal Navy
HMY
His/Her Majesty's Yacht (not currently in use)
nited Kingdom
Royal Navy
HBMS
His/Her Britannic Majesty's Ship (archaic)
nited Kingdom
Royal Navy
HMT
His/Her Majesty's Tug or Troopship
nited Kingdom
Government research ships
RRS
Royal Research Ship
nited States
U.S. Army
USAV
United States Army Vessel
nited States (obsolete)
U.S. Navy
USF
United States Frigate
nited States (obsolete)
U.S. Navy
USFS
United States Flagship
nited States
U.S. Navy
USS
United States Ship
nited States
U.S. Navy Military Sealift Command
USNS
United States Naval Ship
nited States
U.S. Coast Guard
USCGC
United States Coast Guard Cutter
ruguay
Uruguay Navy
ROU
Republica Oriental del Uruguay
enezuela
Venezuelan Navy
ARV
Armada Republica Venezolana
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 the United States Navy, all prefixes other than "USS," "USNS" and "USCGC" were obsoleted in 1901 when
President
Theodore Roosevelt
signed into law a bill fixing American naval nomenclature. 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
Neversail
. From the date the keel is laid to the date it is commissioned, it is called the PCU
Neversail
. Only after it enters active service in the fleet and is commissioned will it be referred to as the USS
Neversail
. In Australia, the prefix NUSHIP is used to denote ships that have yet to be commissioned into the fleet. Note that while calling a US ship "the USS
Neversail
" may make grammatical sense, the preliminary article "the" is deprecated by nearly all style guides. Its British equivalent ("the HMS
Neversail
") is also deprecated, since "the Her Majesty's Ship" would be grammatically incorrect.
See also
the WikiProject Ships.
External links
Warship National Prefixes
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