HMCS ''Miramichi'' (

hull number Hull number is a serial identification number given to a boat or ship. For the military, a lower number implies an older vessel. For civilian use, the HIN is used to trace the boat's history. The precise usage varies by country and type. United ...

MCB 150) was a that served in 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 submar ...

and the

French Navy The French Navy (french: Marine nationale, lit=National Navy), informally , is the maritime arm of the French Armed Forces and one of the five military service branches of France. It is among the largest and most powerful naval forces in t ...

. She was named

Miramichi Bay Miramichi Bay is an estuary located on the west coast of the Gulf of St. Lawrence in New Brunswick, at the mouth of the Miramichi River. Miramichi Bay is separated into the "inner bay" and the "outer bay", with the division being a line of uni ...

, located at the mouth of the

Miramichi River The Miramichi River is a river located in the east-central part of New Brunswick, Canada. The river drains into Miramichi Bay in the Gulf of St. Lawrence. The name may have been derived from the Montagnais words "Maissimeu Assi" (meaning Mi'km ...

New Brunswick New Brunswick (french: Nouveau-Brunswick, , locally ) 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. It is the only province with both English and ...

. Entering service in 1954, the vessel served in the Royal Canadian Navy for only a few months before transferring to the French Navy. Renamed ''La Lorientaise'', the ship was used as a minesweeper before converting to a patrol vessel in 1973. The ship was discarded in 1986.

Design and description

The Bay class were designed and ordered as replacements for the

Second World War 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 vast majority of the world's countries—including all of the great powers—forming two opposi ...

-era

minesweeper A minesweeper is a small warship designed to remove or detonate naval mines. Using various mechanisms intended to counter the threat posed by naval mines, minesweepers keep waterways clear for safe shipping. History The earliest known usage of ...

s that the Royal Canadian Navy operated at the time. Similar to the , they were constructed of wood planking and aluminum framing.Macpherson & Barrie, p. 271Gardiner & Chumbley, p. 49 Displacing standard at at deep load, the minesweepers were

long Long may refer to: Measurement * Long, characteristic of something of great duration * Long, characteristic of something of great length * Longitude (abbreviation: long.), a geographic coordinate * Longa (music), note value in early music mens ...

with a beam of and a draught of . They had a complement of 38 officers and ratings.Gardiner and Chumbley claim the complement was 40. The Bay-class minesweepers were powered by two GM 12-cylinder

diesel engine The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-ca ...

s driving two shafts creating . This gave the ships a maximum speed of and a range of at .Moore, p. 82 The ships were armed with one

40 mm Bofors Bofors 40 mm gun is a name or designation given to two models of 40 mm calibre anti-aircraft guns designed and developed by the Swedish company Bofors: *Bofors 40 mm L/60 gun - developed in the 1930s, widely used in World War II and into the 1990s ...

gun and were equipped with minesweeping gear.

Service history

''Miramichi'' 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 o ...

on 13 June 1952 by Saint John Dry Dock and Shipbuilding Co. at

Saint John, New Brunswick Saint John is a seaport city of the Atlantic Ocean located on the Bay of Fundy in the province of New Brunswick, Canada. Saint John is the oldest incorporated city in Canada, established by royal charter on May 18, 1785, during the reign of K ...

and was launched on 4 May 1954. The vessel was commissioned into the Royal Canadian Navy on 30 July 1954 at Saint John.Macpherson & Barrie, p. 275 After commissioning, ''Miramichi'' spent the next two months in service before being

paid off Ship commissioning is the act or ceremony of placing a ship in active service and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to placing a warship in ...

on 1 October 1954. She was transferred to France under the

NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two No ...

Mutual Aid Agreement on 9 October 1954.Milner, p. 220 The ship commissioned into the

on 13 November 1954.Moore, p. 171 The vessel was eventually replaced in the Royal Canadian Navy by of the same class. Renamed ''La Lorientaise'' the ship served as a minesweeper until 1973 when she had air conditioning installed for use as an overseas territories patrol vessel in the Pacific. She served until 1984.Colledge states that the ship was decommissioned on 25 October 1986. The vessel was stricken in 1986 and broken up at

Papeete, Tahiti Papeete ( Tahitian: ''Papeete'', pronounced ) is the capital city of French Polynesia, an overseas collectivity of the French Republic in the Pacific Ocean. The commune of Papeete is located on the island of Tahiti, in the administrative subdivi ...

References

Notes

Citations

Sources

* * * * * * {{DEFAULTSORT:Miramichi (MCB 150), HMCS Minesweepers of the Royal Canadian Navy Bay-class minesweepers Ships built in Saint John, New Brunswick 1954 ships Cold War minesweepers of Canada Bay-class minesweepers of the French Navy Cold War minesweepers of France