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HMCS Moresby

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History
NameLady Joyce
BuilderAllied Shipbuilders Ltd., Vancouver
Yard number180
Launched11 November 1972
Completed24 April 1973
In service1973
Out of service1988
RenamedJoyce Tide (1974)
FateSold to Canadian Forces in 1988
Canada
NameMoresby
NamesakeMoresby Island
AcquiredMarch 1998
Commissioned7 May 1989
Decommissioned10 March 2000
HomeportCFB Halifax
IdentificationMSA 112
Fatesold 2002 for commercial use
Renamed
  • Echo Star (2002)
  • Malbun (2002)
  • Echo Star (2002)
  • Silver Star (2004)
  • Echo Star (2005)
  • Silver Star (2005)
  • Ramco I (2007)
  • Ramco Express (2007)
In service2002
IdentificationIMO number7301245
StatusShip in active service
General characteristics
Class and type Anticosti-class minesweeper
Displacement
  • 1,093 t (1,076 long tons)
  • 2,200 t (2,200 long tons) deep load
Length58.3 m (191 ft 3 in)
Beam13.1 m (43 ft 0 in)
Draught5.2 m (17 ft 1 in)
Propulsion
Speed13.5 knots (25.0 km/h; 15.5 mph)
Endurance12,000 nmi (22,000 km; 14,000 mi)
Complement23

HMCS Moresby was an Anticosti-class minesweeper that served in the Canadian Forces from 1989 to 2000. She was named for Moresby Island, which in turn is named for Fairfax Moresby, former Commander-in-Chief of Pacific Station at Esquimalt Royal Navy Dockyard. Prior to her acquisition by Canada, Moresby served as the offshore supply vessel Joyce Tide, built by Allied Shipbuilders of Vancouver, British Columbia. Joyce Tide was acquired by the Canadian Forces for conversion to a minesweeper and as a training ship for naval reservists. With the entry into service of the Kingston-class coastal defence vessels, Moresby was sold to commercial interests, returning to her previous career. The ship was renamed several times, most recently Ramco Express in 2007.

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Anticosti-class minesweeper

Anticosti-class minesweeper

The Anticosti-class minesweepers were a class of minesweepers that served with the Canadian Forces from 1989–2000. The class consisted of two former oil rig supply vessels, Jean Tide and Joyce Tide. They were acquired by Maritime Command (MARCOM) and commissioned in May 1989 with Jean Tide becoming HMCS Anticosti (MSA 110) and Joyce Tide becoming HMCS Moresby (MSA 112). Once the Kingston-class coastal defence vessels became operational, the Anticosti class was discarded and the two ships returned to mercantile use.

Minesweeper

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.

Moresby Island

Moresby Island

Moresby Island is a large island that forms part of the Haida Gwaii archipelago in British Columbia, Canada, located at 52°45′00″N 131°50′00″W. It is separated by the narrow Skidegate Channel from the other principal island of the group to the north, Graham Island.

Fairfax Moresby

Fairfax Moresby

Admiral of the Fleet Sir Fairfax Moresby GCB was a Royal Navy officer. As a junior officer he took part in the unsuccessful expedition to capture Ferrol in Spain during the French Revolutionary Wars. He later saw action during the blockade of Brest during the Napoleonic Wars before becoming commanding officer of a sloop which was sent to the Aegean Sea to defend the population of Malta from pirates; the grateful people presented him with a sword. He then sailed to the Adriatic Sea where he led a naval brigade providing artillery support to the Austrian forces during the siege of Trieste. He went on to be senior naval officer at the Cape of Good Hope and then senior officer at Mauritius, with orders to suppress the slave trade: he concluded the Moresby Treaty with Seyyid Said, the imam of Muscat, restricting the scope of local slave trading and conferring on English warships the right of searching and seizing local vessels.

Pacific Station

Pacific Station

The Pacific Station was created in 1837 as one of the geographical military formations into which the Royal Navy divided its worldwide responsibilities. The South America Station was split into the Pacific Station and the South East Coast of America Station.

Esquimalt Royal Navy Dockyard

Esquimalt Royal Navy Dockyard

Esquimalt Royal Naval Dockyard was a major British Royal Navy yard on Canada's Pacific coast from 1842 to 1905, subsequently operated by the Canadian government as HMC Dockyard Esquimalt, now part of CFB Esquimalt, to the present day.

Allied Shipbuilders

Allied Shipbuilders

Allied Shipbuilders Ltd is a privately held shipbuilding and ship repairing company established in Canada in 1948.

Vancouver

Vancouver

Vancouver is a major city in western Canada, located in the Lower Mainland region of British Columbia. As the most populous city in the province, the 2021 Canadian census recorded 662,248 people in the city, up from 631,486 in 2016. The Greater Vancouver area had a population of 2.6 million in 2021, making it the third-largest metropolitan area in Canada. Greater Vancouver, along with the Fraser Valley, comprises the Lower Mainland with a regional population of over 3 million. Vancouver has the highest population density in Canada, with over 5,700 people per square kilometre, and fourth highest in North America.

Training ship

Training ship

A training ship is a ship used to train students as sailors. The term is mostly used to describe ships employed by navies to train future officers. Essentially there are two types: those used for training at sea and old hulks used to house classrooms.

Kingston-class coastal defence vessel

Kingston-class coastal defence vessel

The Kingston class consists of 12 coastal defence vessels operated by the Royal Canadian Navy. The class is the name for the Maritime Coastal Defence Vessel Project (MCDV). These multi-role vessels were built and launched from the mid- to late-1990s and are crewed by a combination of Naval Reserve and Regular Force personnel. The main mission of the vessels is to train reservists, coastal patrol, minesweeping, law enforcement, pollution surveillance and search and rescue duties. The multi-purpose nature of the vessels led to their mixed construction between commercial and naval standards. The Kingston class is split between the east and west coasts of Canada and regularly deploy overseas to West Africa, Europe, Central America and the Caribbean.

Design

The ship was initially constructed for use as an offshore drill-rig supply vessel by International Offshore Services.[1] As a supply vessel, Jean Tide was 1,093 tonnes (1,076 long tons) with a deadweight tonnage of 1,196 tons.[2][3] The ship was 58.3 metres (191 ft 3 in) long overall and 51.7 metres (169 ft 7 in) between perpendiculars with a beam of 13.1 metres (43 ft 0 in) and a draught of 5.2 metres (17 ft 1 in).[4] The Anticosti class was powered by four NOHAB Polar SF 16RS diesel engines driving two shafts creating 4,600 horsepower (3,400 kW) and one 575 brake horsepower (429 kW) Gil Jet azimuth bow thruster.[3] This created a maximum speed of 13.5 knots (25.0 km/h; 15.5 mph) and an endurance of 12,000 nautical miles (22,000 km; 14,000 mi) at 13 knots (24 km/h; 15 mph).[4][3] The vessels were rated as ice class 3 and suitable for employment in light ice.[3]

The vessel was purchased in 1988 by Maritime Command (MARCOM) of the Canadian Forces and converted into a minesweeping auxiliary.[4] In military use the vessels had a complement of 5 officers and 18 ratings. The two ships of the class were equipped two Racal Decca navigation radars operating on the I band. For minesweeping purposes, they were provided with mechanical minesweeping equipment and a high frequency, towed side scan variable depth sonar.[3]

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Long ton

Long ton

The long ton, also known as the imperial ton or displacement ton, is the name for the unit called the "ton" in the avoirdupois system of weights or Imperial system of measurements. It was standardised in the 13th century. It is used in the United Kingdom and several other Commonwealth of Nations countries alongside the mass-based metric tonne defined in 1799, as well as in the United States for bulk commodities.

Deadweight tonnage

Deadweight tonnage

Deadweight tonnage or tons deadweight (DWT) is a measure of how much weight a ship can carry. It is the sum of the weights of cargo, fuel, fresh water, ballast water, provisions, passengers, and crew.

Length overall

Length overall

Length overall is the maximum length of a vessel's hull measured parallel to the waterline. This length is important while docking the ship. It is the most commonly used way of expressing the size of a ship, and is also used for calculating the cost of a marina berth.

Length between perpendiculars

Length between perpendiculars

Length between perpendiculars is the length of a ship along the summer load line from the forward surface of the stem, or main bow perpendicular member, to the after surface of the sternpost, or main stern perpendicular member. When there is no sternpost, the centerline axis of the rudder stock is used as the aft end of the length between perpendiculars.

Beam (nautical)

Beam (nautical)

The beam of a ship is its width at its widest point. The maximum beam (BMAX) is the distance between planes passing through the outer extremities of the ship, beam of the hull (BH) only includes permanently fixed parts of the hull, and beam at waterline (BWL) is the maximum width where the hull intersects the surface of the water.

Draft (hull)

Draft (hull)

The draft or draught of a ship's hull is the vertical distance between the waterline and the bottom of the hull (keel). The draught of the vessel is the maximum depth of any part of the vessel, including appendages such as rudders, propellers and drop keels if deployed. Draft determines the minimum depth of water a ship or boat can safely navigate. The related term air draft is the maximum height of any part of the vessel above the water.

NOHAB

NOHAB

NOHAB was a manufacturing company based in the city of Trollhättan, Sweden.

Diesel engine

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 called a compression-ignition engine. This contrasts with engines using spark plug-ignition of the air-fuel mixture, such as a petrol engine or a gas engine.

Horsepower

Horsepower

Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are the mechanical horsepower, which is about 745.7 watts, and the metric horsepower, which is approximately 735.5 watts.

Azimuth thruster

Azimuth thruster

An azimuth thruster is a configuration of marine propellers placed in pods that can be rotated to any horizontal angle (azimuth), making a rudder unnecessary. These give ships better maneuverability than a fixed propeller and rudder system.

Knot (unit)

Knot (unit)

The knot is a unit of speed equal to one nautical mile per hour, exactly 1.852 km/h. The ISO standard symbol for the knot is kn. The same symbol is preferred by the Institute of Electrical and Electronics Engineers (IEEE), while kt is also common, especially in aviation, where it is the form recommended by the International Civil Aviation Organization (ICAO). The knot is a non-SI unit. The knot is used in meteorology, and in maritime and air navigation. A vessel travelling at 1 knot along a meridian travels approximately one minute of geographic latitude in one hour.

Nautical mile

Nautical mile

A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. Historically, it was defined as the meridian arc length corresponding to one minute of latitude. Today the international nautical mile is defined as exactly 1,852 metres. The derived unit of speed is the knot, one nautical mile per hour.

Service history

The ship was laid down as Lady Joyce by Allied Shipbuilders Ltd. of Vancouver with the yard number 180 and launched on 11 November 1972. The ship was completed on 24 April 1973 and was renamed Joyce Tide in 1974.[2]

As part of the plan for the Naval Reserve to take over minesweeping and coastal operations, MARCOM began its effort to provide ships for training.[5] MARCOM acquired two ships, one being Joyce Tide in March 1988.[5][6] The ship was converted at Marystown, Newfoundland to an minesweeping auxiliary and commissioned with the classification MSA 112.[4] The mechanical sweeps, sonar and navigation systems were added in April 1990.[3] In March 1997, the ship transferred to CFB Esquimalt.[7] After the Kingston class was commissioned, Moresby was identified as surplus and paid off on 10 March 2000 and turned over for disposal.[4]

Sold in 2000 for commercial use, her name was changed to Echo Star 2000 to 2002. In 2002 the vessel became Malbun, and later that year, her name was changed back to Echo Star. This name lasted until 2004 when her named was changed again to Silver Star. In 2005 the vessel's name was changed back to Echo Star, then back again to Silver Star, a name she kept until 2007. In 2007, the vessel was renamed Ramco 1 and then again to Ramco Express.[2]

Moresby is now a commercial tug in Panama.[8]

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Keel laying

Keel laying

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.

Allied Shipbuilders

Allied Shipbuilders

Allied Shipbuilders Ltd is a privately held shipbuilding and ship repairing company established in Canada in 1948.

Marystown

Marystown

Marystown is a town in the province of Newfoundland and Labrador, Canada, with a population of around 5,000. Situated 306 km from the province's capital, St. John's, it is on the Burin Peninsula. Until the early 1990s, its economy was largely based on shipbuilding, and it is due in part to this that the town experienced a population increase of 295% in just over a decade. The town was also dependent on the fish plant for employment.

Ship commissioning

Ship commissioning

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 active duty with its country's military forces. The ceremonies involved are often rooted in centuries-old naval tradition.

Hull classification symbol (Canada)

Hull classification symbol (Canada)

The Royal Canadian Navy uses hull classification symbols to identify the types of its ships, which are similar to the United States Navy's hull classification symbol system. The Royal Navy and some European and Commonwealth navies use a somewhat analogous system of pennant numbers.

CFB Esquimalt

CFB Esquimalt

Canadian Forces Base Esquimalt is Canada's Pacific Coast naval base and home port to Maritime Forces Pacific and Joint Task Force Pacific Headquarters. As of 2018, 4,411 military personnel and 2,762 civilians work at CFB Esquimalt.

Kingston-class coastal defence vessel

Kingston-class coastal defence vessel

The Kingston class consists of 12 coastal defence vessels operated by the Royal Canadian Navy. The class is the name for the Maritime Coastal Defence Vessel Project (MCDV). These multi-role vessels were built and launched from the mid- to late-1990s and are crewed by a combination of Naval Reserve and Regular Force personnel. The main mission of the vessels is to train reservists, coastal patrol, minesweeping, law enforcement, pollution surveillance and search and rescue duties. The multi-purpose nature of the vessels led to their mixed construction between commercial and naval standards. The Kingston class is split between the east and west coasts of Canada and regularly deploy overseas to West Africa, Europe, Central America and the Caribbean.

Panama

Panama

Panama, officially the Republic of Panama, is a transcontinental country spanning the southern part of North America and the northern part of South America. It is bordered by Costa Rica to the west, Colombia to the southeast, the Caribbean Sea to the north, and the Pacific Ocean to the south. Its capital and largest city is Panama City, whose metropolitan area is home to nearly half the country's 4 million people.

Source: "HMCS Moresby", Wikipedia, Wikimedia Foundation, (2023, January 25th), https://en.wikipedia.org/wiki/HMCS_Moresby.

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References

Citations

  1. ^ "Allied Shipbuilders". shipbuildinghistory.com. Archived from the original on 15 October 2014. Retrieved 27 September 2014.
  2. ^ a b c Miramar Ship Index.
  3. ^ a b c d e f Sharpe 1990, p. 83.
  4. ^ a b c d e Macpherson & Barrie 2002, p. 305.
  5. ^ a b Milner 2010, p. 305.
  6. ^ Colledge & Warlow 2006, p. 51.
  7. ^ Macpherson & Barrie 2002, p. 300.
  8. ^ "Ramco Express – IMO 7301245". shipspotting.com. Retrieved 4 September 2014.

Sources

  • Colledge, J. J. & Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Revised ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8. OCLC 67375475.
  • Macpherson, Ken & Barrie, Ron (2002). The Ships of Canada's Naval Forces 1910–2002 (Third ed.). St. Catharines, Ontario: Vanwell Publishing. ISBN 1-55125-072-1.
  • Milner, Marc (2010). Canada's Navy: The First Century (Second ed.). Toronto: University of Toronto Press. ISBN 978-0-8020-9604-3.
  • "Lady Joyce (7301245)". Miramar Ship Index. Retrieved 21 April 2016.
  • Sharpe, Richard, ed. (1990). Jane's Fighting Ships 1990–91 (93rd ed.). Surrey, United Kingdom: Jane's Information Group. ISBN 0-7106-0904-3.
External links
  • McClearn, Sandy (2003). "Anticosti Class". hazegray.org. Retrieved 27 September 2014.

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