HMS ''Cygnet'' was a C-class destroyer built for the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by Kingdom of England, English and Kingdom of Scotland, Scottish kings from the early medieval period, the first major maritime engagements were foug ...

in the early 1930s. The ship was initially assigned to the

Home Fleet The Home Fleet was a fleet of the Royal Navy that operated from the United Kingdom's territorial waters from 1902 with intervals until 1967. In 1967, it was merged with the Mediterranean Fleet creating the new Western Fleet. Before the Fi ...

, although she was temporarily deployed in the

Red Sea The Red Sea ( ar, البحر الأحمر - بحر القلزم, translit=Modern: al-Baḥr al-ʾAḥmar, Medieval: Baḥr al-Qulzum; or ; Coptic: ⲫⲓⲟⲙ ⲛ̀ϩⲁϩ ''Phiom Enhah'' or ⲫⲓⲟⲙ ⲛ̀ϣⲁⲣⲓ ''Phiom ǹšari''; ...

during the

Abyssinia Crisis The Abyssinia Crisis (; ) was an international crisis in 1935 that originated in what was called the Walwal incident during the ongoing conflict between the Kingdom of Italy and the Empire of Ethiopia (then commonly known as "Abyssinia"). The Le ...

of 1935–36. ''Cygnet'' was sold to the

Royal Canadian Navy The Royal Canadian Navy (RCN; french: Marine royale canadienne, ''MRC'') is the naval force of Canada. The RCN is one of three environmental commands within the Canadian Armed Forces. As of 2021, the RCN operates 12 frigates, four attack subma ...

(RCN) in late 1937 and renamed HMCS ''St. Laurent''. She was stationed on the west coast of Canada when

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...

began in September 1939, and had to be transferred to the

Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the "Old World" of Africa, Europe an ...

coast for convoy escort duties. She served as a convoy escort in the

Battle of the Atlantic The Battle of the Atlantic, the longest continuous military campaign in World War II, ran from 1939 to the defeat of Nazi Germany in 1945, covering a major part of the naval history of World War II. At its core was the Allied naval blocka ...

and participated in the sinking of two German submarines. The ship was on anti-submarine patrols during the invasion of Normandy, and was employed as a troop transport after

VE Day Victory in Europe Day is the day celebrating the formal acceptance by the Allies of World War II of Germany's unconditional surrender of its armed forces on Tuesday, 8 May 1945, marking the official end of World War II in Europe in the Easte ...

for returning Canadian servicemen. ''St. Laurent'' was decommissioned in late 1945 and scrapped in 1947.

Design and construction

''Cygnet'' displaced at

standard Standard may refer to: Symbols * Colours, standards and guidons, kinds of military signs * Standard (emblem), a type of a large symbol or emblem used for identification Norms, conventions or requirements * Standard (metrology), an object ...

load and at

deep load The displacement or displacement tonnage of a ship is its weight. As the term indicates, it is measured indirectly, using Archimedes' principle, by first calculating the volume of water displaced by the ship, then converting that value into we ...

. The ship had an overall length of , a

beam Beam may refer to: Streams of particles or energy * Light beam, or beam of light, a directional projection of light energy ** Laser beam * Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized g ...

of and a draught of . She was powered by Parsons geared

steam turbine A steam turbine is a machine that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Charles Parsons in 1884. Fabrication of a modern steam turb ...

s, driving two shafts, which developed a total of and gave a maximum speed of . Steam for the turbines was provided by three Admiralty 3-drum

water-tube boiler A high pressure watertube boiler (also spelled water-tube and water tube) is a type of boiler in which water circulates in tubes heated externally by the fire. Fuel is burned inside the furnace, creating hot gas which boils water in the steam-gene ...

s. ''Cygnet'' carried a maximum of of

fuel oil Fuel oil is any of various fractions obtained from the distillation of petroleum (crude oil). Such oils include distillates (the lighter fractions) and residues (the heavier fractions). Fuel oils include heavy fuel oil, marine fuel oil (MFO), bu ...

that gave her a range of at . The ship's complement was 145 officers and men.Whitley, p. 26 The ship mounted four 45-

calibre In guns, particularly firearms, caliber (or calibre; sometimes abbreviated as "cal") is the specified nominal internal diameter of the gun barrel bore – regardless of how or where the bore is measured and whether the finished bore matc ...

4.7-inch Mk IX guns in single mounts, designated 'A', 'B', 'X', and 'Y' from front to rear. For

anti-aircraft Anti-aircraft warfare, counter-air or air defence forces is the battlespace response to aerial warfare, defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It includes surface based, ...

(AA) defence, ''Cygnet'' had a single

QF 3-inch 20 cwt The QF 3 inch 20 cwt anti-aircraft gun became the standard anti-aircraft gun used in the home defence of the United Kingdom against German airships and bombers and on the Western Front in World War I. It was also common on British warships i ...

"cwt" is the abbreviation for

hundredweight The hundredweight (abbreviation: cwt), formerly also known as the centum weight or quintal, is a British imperial and US customary unit of weight or mass. Its value differs between the US and British imperial systems. The two values are distin ...

, 30 cwt referring to the weight of the gun. AA gun between her

funnel A funnel is a tube or pipe that is wide at the top and narrow at the bottom, used for guiding liquid or powder into a small opening. Funnels are usually made of stainless steel, aluminium, glass, or plastic. The material used in its construc ...

s, and two QF 2-pounder Mk II AA guns mounted on the aft end of her

forecastle The forecastle ( ; contracted as fo'c'sle or fo'c's'le) is the upper deck of a sailing ship forward of the foremast, or, historically, the forward part of a ship with the sailors' living quarters. Related to the latter meaning is the phrase " b ...

deck. The AA gun was removed in 1936 and the 2-pounders were relocated to between the funnels. She was fitted with two above-water quadruple

torpedo tube A torpedo tube is a cylindrical device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units (also referred to as torpedo launchers) installed abo ...

mounts for 21-inch torpedoes. Three depth-charge chutes were fitted, each with a capacity of two

depth charge A depth charge is an anti-submarine warfare (ASW) weapon. It is intended to destroy a submarine by being dropped into the water nearby and detonating, subjecting the target to a powerful and destructive hydraulic shock. Most depth charges use ...

s. After World War II began this was increased to 33 depth charges, delivered by one or two rails and two throwers. The ship was ordered on 15 July 1930 from

Vickers-Armstrongs Vickers-Armstrongs Limited was a British engineering conglomerate formed by the merger of the assets of Vickers Limited and Sir W G Armstrong Whitworth & Company in 1927. The majority of the company was nationalised in the 1960s and 1970s, w ...

Barrow-in-Furness Barrow-in-Furness is a port town in Cumbria, England. Historically in Lancashire, it was incorporated as a municipal borough in 1867 and merged with Dalton-in-Furness Urban District in 1974 to form the Borough of Barrow-in-Furness. In 202 ...

under the 1929 Programme. ''Cygnet'' was

laid down Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship. Keel laying is one ...

on 1 December 1930, launched on 29 September 1931,English, p. 45 as the 14th ship to carry the name, and completed on 1 April 1932.

Service history

After the ship commissioned on 9 April 1932, she was assigned to the

2nd Destroyer Flotilla The British 2nd Destroyer Flotilla (also styled as Second Destroyer Flotilla) was a naval formation of the Royal Navy from 1909 to 1943 and again from 1945 to 1946. History The 2nd Destroyer Flotilla originated in early 1907 as a part of a Home F ...

of the Home Fleet. ''Cygnet'' spent a lot of time in dockyard hands during her first two years of service. She was repaired at Devonport in November 1932 – January 1933, March–May, July–August and November 1933 – January 1934 before deploying to the

West Indies The West Indies is a subregion of North America, surrounded by the North Atlantic Ocean and the Caribbean Sea that includes 13 independent island countries and 18 dependencies and other territories in three major archipelagos: the Great ...

with the Home Fleet between January and March 1934. The ship required more repairs upon her return in April–May and then a refit from 25 July to 31 August 1934. ''Cygnet'' was detached from the Home Fleet during the Abyssinian Crisis, and deployed in the Red Sea from September 1935 to April 1936. The ship returned to the UK in April 1936 and refitted at Devonport between 20 April and 18 June before resuming duty with the Home Fleet. In July–August she was deployed for patrol duties off the Spanish coast in the

Bay of Biscay The Bay of Biscay (), known in Spain as the Gulf of Biscay ( es, Golfo de Vizcaya, eu, Bizkaiko Golkoa), and in France and some border regions as the Gulf of Gascony (french: Golfe de Gascogne, oc, Golf de Gasconha, br, Pleg-mor Gwaskogn), ...

to intercept shipping carrying contraband goods to Spain and to protect British-flagged shipping during the first stages of the

Spanish Civil War The Spanish Civil War ( es, Guerra Civil Española)) or The Revolution ( es, La Revolución, link=no) among Nationalists, the Fourth Carlist War ( es, Cuarta Guerra Carlista, link=no) among Carlism, Carlists, and The Rebellion ( es, La Rebeli ...

.English, p. 50

Transfer to the Royal Canadian Navy

Together with her sister , ''Cygnet'' was sold to Canada on 20 October 1936 for a total price of £400,000. She was refitted again to meet Canadian standards, including the installation of Type 124

ASDIC Sonar (sound navigation and ranging or sonic navigation and ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, measure distances (ranging), communicate with or detect objects on o ...

, and handed over on 1 February 1937. The ship was renamed as HMCS ''St. Laurent'' and commissioned into the RCN on 17 February. ''St. Laurent'' was assigned to Halifax,

Nova Scotia Nova Scotia ( ; ; ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. Nova Scotia is Latin for "New Scotland". Most of the population are native En ...

and arrived there in May. She remained there for a year before she was transferred to

Esquimalt The Township of Esquimalt is a municipality at the southern tip of Vancouver Island, in British Columbia, Canada. It is bordered to the east by the provincial capital, Victoria, to the south by the Strait of Juan de Fuca, to the west by Esq ...

in 1938. The ship remained there until she was ordered to the East Coast on 31 August 1939, arriving at Halifax on 18 September. ''St. Laurent'' escorted local convoys while based there, including the convoy carrying half of the

1st Canadian Infantry Division The 1st Canadian Division (French: ''1re Division du Canada'' ) is a joint operational command and control formation based at CFB Kingston, and falls under Canadian Joint Operations Command. It is a high-readiness unit, able to move on very short ...

to the UK on 10 December. The ship was ordered to

Plymouth Plymouth () is a port city and unitary authority in South West England. It is located on the south coast of Devon, approximately south-west of Exeter and south-west of London. It is bordered by Cornwall to the west and south-west. Plymout ...

on 24 May 1940 and arrived there on 31 May. Upon arrival, the ship's rear torpedo tube mount was removed and replaced by a 12-pounder AA gun and the 2-pounders were exchanged for quadruple Mark I mounts for the QF 0.5-inch Vickers Mark III

machine gun A machine gun is a fully automatic, rifled autoloading firearm designed for sustained direct fire with rifle cartridges. Other automatic firearms such as automatic shotguns and automatic rifles (including assault rifles and battle rifl ...

. On 9 June, ''St. Laurent'' was ordered to

Le Havre Le Havre (, ; nrf, Lé Hâvre ) is a port city in the Seine-Maritime department in the Normandy region of northern France. It is situated on the right bank of the estuary of the river Seine on the Channel southwest of the Pays de Caux, ver ...

, France to evacuate British troops, but none were to be found and the ship evacuated a small group of French soldiers further up the coast on 11 June. The ship was taken under fire by a German artillery battery near

Saint-Valery-en-Caux Saint-Valery-en-Caux (, literally ''Saint-Valery in Caux'') is a commune in the Seine-Maritime department in the Normandy region in northern France. The addition of an acute accent on the "e" (Valéry) is incorrect. Geography The town is locate ...

, but she was not hit and

Lieutenant Commander Lieutenant commander (also hyphenated lieutenant-commander and abbreviated Lt Cdr, LtCdr. or LCDR) is a commissioned officer rank in many navies. The rank is superior to a lieutenant and subordinate to a commander. The corresponding rank i ...

H.G. DeWolf, the ship's captain, ordered her to return fire although no results were noted. After returning to England, ''St. Laurent'' escorted several troop convoys on the last legs of their journeys from Canada, Australia and New Zealand in mid-June and was assigned to escort duties with Western Approaches Command afterwards. On 2 July, whilst escorting the British battleship , ''St. Laurent'' received word that the unescorted British passenger ship had been torpedoed by , about northeast of

Malin Head Malin Head ( ga, Cionn Mhálanna) is the most northerly point of mainland Ireland, located in the townland of Ardmalin on the Inishowen peninsula in County Donegal. The head's northernmost point is called Dunalderagh at latitude 55.38ºN. It is ...

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

. Arriving some four and a half hours after the

ocean liner An ocean liner is a passenger ship primarily used as a form of transportation across seas or oceans. Ocean liners may also carry cargo or mail, and may sometimes be used for other purposes (such as for pleasure cruises or as hospital ships). C ...

sank, the ship rescued 857 survivors, including German and Italian

prisoners of war A prisoner of war (POW) is a person who is held Captivity, captive by a belligerent power during or immediately after an armed conflict. The earliest recorded usage of the phrase "prisoner of war" dates back to 1610. Belligerents hold priso ...

. Together with the British

sloop A sloop is a sailboat with a single mast typically having only one headsail in front of the mast and one mainsail aft of (behind) the mast. Such an arrangement is called a fore-and-aft rig, and can be rigged as a Bermuda rig with triangular ...

, she badly damaged the whilst defending Convoy HX 60 on 4 August. On 2 December, ''St. Laurent'' rescued survivors from the

armed merchant cruiser An armed merchantman is a merchant ship equipped with guns, usually for defensive purposes, either by design or after the fact. In the days of sail, piracy and privateers, many merchantmen would be routinely armed, especially those engaging in lo ...

that had been torpedoed and sunk by as well survivors from the British

oil tanker An oil tanker, also known as a petroleum tanker, is a ship designed for the bulk transport of oil or its products. There are two basic types of oil tankers: crude tankers and product tankers. Crude tankers move large quantities of unrefined c ...

''Conch''. After refitting at Halifax from 3 March to 11 July 1941, ''St. Laurent'' was assigned to the 14th Escort Group of the RCN's Newfoundland Escort Force which covered convoys in the Mid-Atlantic. Whilst escorting Convoy ON 33 in November in a

gale A gale is a strong wind; the word is typically used as a descriptor in nautical contexts. The U.S. National Weather Service defines a gale as sustained surface winds moving at a speed of between 34 and 47 knots (, or ).director-control tower and

rangefinder A rangefinder (also rangefinding telemeter, depending on the context) is a device used to measure distances to remote objects. Originally optical devices used in surveying, they soon found applications in other fields, such as photography an ...

were exchanged for a Type 271 target indication

radar Radar is a detection system that uses radio waves to determine the distance ('' ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, w ...

mounted above the

bridge A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually somethi ...

. By this time, she had been fitted with a

high-frequency direction finding High-frequency direction finding, usually known by its abbreviation HF/DF or nickname huff-duff, is a type of radio direction finder (RDF) introduced in World War II. High frequency (HF) refers to a radio band that can effectively communicate over ...

system as well. Whilst assigned to Escort Group C1 defending Convoy ON 154 in late December 1942, ''St. Laurent'' had her first victory; In the early hours of 27 December 1942, while north of the

Azores ) , motto= ( en, "Rather die free than subjected in peace") , anthem=( en, "Anthem of the Azores") , image_map=Locator_map_of_Azores_in_EU.svg , map_alt=Location of the Azores within the European Union , map_caption=Location of the Azores wi ...

, she sighted a U-boat on the surface which she engaged with gunfire, followed by a depth charge attack as the boat crash-dived. As she attacked again she found oil on the surface, but no other evidence of destruction. However, in the post-war examination she was credited with sinking . The ship was refitted in

Dartmouth, Nova Scotia Dartmouth ( ) is an urban community and former city located in the Halifax Regional Municipality of Nova Scotia, Canada. Dartmouth is located on the eastern shore of Halifax Harbour. Dartmouth has been nicknamed the City of Lakes, after the lar ...

, between 17 August and December 1943. On 10 March 1944, ''St. Laurent'' was credited with sinking in the North Atlantic, along with the destroyer , and frigates and . HMCS St

The other changes made to the ship's armament during the war (exactly when these occurred is unknown) included the replacement of 'B' gun by a

Hedgehog A hedgehog is a spiny mammal of the subfamily Erinaceinae, in the eulipotyphlan family Erinaceidae. There are seventeen species of hedgehog in five genera found throughout parts of Europe, Asia, and Africa, and in New Zealand by introduct ...

anti-submarine

spigot mortar A mortar is usually a simple, lightweight, man-portable, muzzle-loaded weapon, consisting of a smooth-bore (although some models use a rifled barrel) metal tube fixed to a base plate (to spread out the recoil) with a lightweight bipod mount and a ...

, exchanging the two quadruple .50-calibre Vickers machine guns mounted between her funnels for two Oerlikon 20 mm AA guns, the addition of two Oerlikon guns to her

searchlight A searchlight (or spotlight) is an apparatus that combines an extremely bright source (traditionally a carbon arc lamp) with a mirrored parabolic reflector to project a powerful beam of light of approximately parallel rays in a particular dir ...

platform and another pair were fitted on the wings of her bridge, and the removal of her 12-pounder AA gun.

Type 286 Type may refer to: Science and technology Computing * Typing, producing text via a keyboard, typewriter, etc. * Data type, collection of values used for computations. * File type * TYPE (DOS command), a command to display contents of a file. * ...

short-range surface search radar was also added. 'Y' gun was also removed to allow her depth charge stowage to be increased to at least 60 depth charges. In May 1944 she was transferred to the 11th Escort Group to support the Allied landings in Normandy. On D-Day itself – 6 June 1944 – she was deployed with the Canadian destroyers , , and stationed in the entrance to the

English Channel The English Channel, "The Sleeve"; nrf, la Maunche, "The Sleeve" ( Cotentinais) or (Jèrriais), ( Guernésiais), "The Channel"; br, Mor Breizh, "Sea of Brittany"; cy, Môr Udd, "Lord's Sea"; kw, Mor Bretannek, "British Sea"; nl, Het Kan ...

to prevent U-boat attacks on the invasion convoys. Later she was deployed with her group in the

for anti-submarine operations. On 8 August she was unsuccessfully attacked by a

glide bomb A glide bomb or stand-off bomb is a standoff weapon with flight control surfaces to give it a flatter, gliding flight path than that of a conventional bomb without such surfaces. This allows it to be released at a distance from the target r ...

, and on the 13th she and ''Ottawa'' rescued survivors from which had been sunk with depth charges by a

Sunderland Sunderland () is a port city in Tyne and Wear, England. It is the City of Sunderland's administrative centre and in the Historic counties of England, historic county of County of Durham, Durham. The city is from Newcastle-upon-Tyne and is on t ...

aircraft. These duties continued into October, when she returned to Canada to refit. Conducted at

Shelburne, Nova Scotia Shelburne is a town located in southwestern Nova Scotia, Canada. History Shelburne lies at the southwest corner of Nova Scotia, at roughly the same latitude as Portland, Maine in the United States. The Mi'kmaq call the large and well-sheltered ...

, the refit lasted from November 1944 to 20 March 1945. ''St. Laurent'' returned to service in April 1945, and was attached to the Halifax Escort Force for convoy defence off the east coast. After the German surrender on 6 May, she was employed as a troop transport, until paid off on 10 October 1945. The ship was sold for scrap and broken up in 1947.

Trans-Atlantic convoys escorted

Successes

During her service ''St. Laurent'' was credited with the destruction of one U-boat: A model of HMS ''Cygnet'' by

Norman A. Ough Norman Arthur Ough (10 November 1898 – 3 August 1965) was a marine model maker whose models of Royal Navy warships are regarded as among the very finest of warship models. Family and early life Ough was born in Leytonstone, London. His father ...

is held by the

National Maritime Museum The National Maritime Museum (NMM) is a maritime museum in Greenwich, London. It is part of Royal Museums Greenwich, a network of museums in the Maritime Greenwich World Heritage Site. Like other publicly funded national museums in the Unit ...

Notes

Footnotes

References

* * * * * * * *

External links

''St. Laurent'' on Naval-history.org
{{DEFAULTSORT:Cygnet (H63) Ships of the Royal Canadian Navy 1931 ships C and D-class destroyers Ships built in Barrow-in-Furness Canadian River-class destroyers converted from C and D-class destroyers