
The designation His Majesty's Canadian Ship (HMCS;
CSM, is applied as a
prefix
A prefix is an affix which is placed before the stem of a word. Particularly in the study of languages, a prefix is also called a preformative, because it alters the form of the word to which it is affixed.
Prefixes, like other affixes, can b ...
to surface ships in the
Royal Canadian Navy
The Royal Canadian Navy (RCN; , ''MRC'') is the Navy, naval force of Canada. The navy is one of three environmental commands within the Canadian Armed Forces. As of February 2024, the RCN operates 12 s, 12 s, 4 s, 4 s, 8 s, and several auxiliary ...
and
Canadian Joint Operations Command. The similar designation of His Majesty's Canadian Submarine is applied to submarine vessels.
Origins of the term
The title is derived from ''
His Majesty's Ship'' (HMS), used in the
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
, as the
monarch of Canada is also equally and separately the
monarch of the United Kingdom of Great Britain and Northern Ireland.
Various
Commonwealth realms use derivative variations to designate their warships, such as
His Majesty's Australian Ship (HMAS) and
His Majesty's New Zealand Ship (HMNZS).
In the reign of a
queen
Queen most commonly refers to:
* Queen regnant, a female monarch of a kingdom
* Queen consort, the wife of a reigning king
* Queen (band), a British rock band
Queen or QUEEN may also refer to:
Monarchy
* Queen dowager, the widow of a king
* Q ...
, the designation changes to ''Her Majesty's Canadian Ship''; the French version of the title remains unchanged in this instance.
Usage

After the formation of
Naval Service of Canada in 1910, warships were given the prefix HMCS with the "C" representing Canadian as a way to differentiate Canadian from British warships. It was initially the only concession the
British Admiralty made following the formation of the Canadian naval service. was the first ship with the HMCS designation after being transferred from the British
Royal Navy
The Royal Navy (RN) is the naval warfare force of the United Kingdom. It is a component of His Majesty's Naval Service, and its officers hold their commissions from the King of the United Kingdom, King. Although warships were used by Kingdom ...
to Canada,
commissioned on 4 August 1910. became the first Canadian ship commissioned under a Queen during March 1952.
Many RCN shore facilities also bear the designation, such as , , , , and the
Royal Canadian Sea Cadets summer training centre
HMCS ''Quadra''.
Shore maintenance and mooring facilities bear the name His Majesty's Canadian Dockyard (HMC Dockyard) (in French or ).
[ ]
See also
*
Hull classification symbol (Canada)
*
List of current ships of the Royal Canadian Navy
*
Monarchy of Canada and the Canadian Armed Forces
*
Stone frigate
Citations
Sources
*
*
{{Canadian Navy
Royal Canadian Navy
Monarchy of Canada
Ship prefixes