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HMCS Cormorant (PCS 781)

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History
Canada
NameCormorant
NamesakeCormorant
BuilderMidland Boat Works, Midland
Launched15 May 1956
Commissioned16 July 1956
Decommissioned23 May 1963
BadgeArgent, a cormorant volant, wings elevated proper, in base, three barrulets undy vert.[1]
General characteristics
Class and typeBird-class patrol vessel
Displacement66 long tons (67 t)
Length92 ft (28.0 m) o/a
Beam17 ft (5.2 m)
Draught5.3 ft (1.6 m)
Complement2 officers, 19 ratings
Armament

HMCS Cormorant (PCS 781) was a Bird-class patrol vessel of the Royal Canadian Navy. The patrol vessel entered service in 1956 and was paid off in 1963. Held in reserve, Cormorant was discarded in the 1970s.

Design

Bird-class patrol vessels were designed for harbour patrol, training and anti-submarine warfare. Constructed of wood and aluminum, Cormorant displaced 66 long tons (67 t). She was 92 ft (28.0 m) long overall, with a beam of 17 ft (5.2 m) and a draught of 5.3 ft (1.6 m).[2]

The Bird class were powered by diesel engines creating 1,200 brake horsepower (890 kW) connected to two shafts. This gave the ships a maximum speed of 14 knots (26 km/h; 16 mph).[2] Cormorant was armed with one 20 mm Oerlikon cannon and a Hedgehog anti-submarine mortar.[3]

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Displacement (ship)

Displacement (ship)

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 weight. Traditionally, various measurement rules have been in use, giving various measures in long tons. Today, tonnes are more commonly used.

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.

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.

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.

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.

Hedgehog (weapon)

Hedgehog (weapon)

The Hedgehog was a forward-throwing anti-submarine weapon that was used primarily during the Second World War. The device, which was developed by the Royal Navy, fired up to 24 spigot mortars ahead of a ship when attacking a U-boat. It was deployed on convoy escort warships such as destroyers and corvettes to supplement the depth charges.

Construction and career

Cormorant was laid down by Midland Boat Works at Midland, Ontario and launched on 15 May 1956. The vessel was commissioned on 16 July 1956. The ship was intended to replace the remaining Fairmile motor launches that remained from the Second World War, performing cadet training and search and rescue operations along the coasts.[3] In 1961, Cormorant was assigned to Atlantic Command as a harbour patrol craft.[4] Cormorant was paid off on 23 May 1963 and placed in reserve alongside her sister ships. The Bird class was kept in reserve until discarded in 1970–1971.[3]

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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.

Midland, Ontario

Midland, Ontario

Midland is a town located on Georgian Bay in Simcoe County, Ontario, Canada. It is part of the Huronia/Wendat region of Central Ontario.

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.

Fairmile Marine

Fairmile Marine

Fairmile Marine was a British boat building company founded in 1939 by the car manufacturer Noel Macklin.

Sister ship

Sister ship

A sister ship is a ship of the same class or of virtually identical design to another ship. Such vessels share a nearly identical hull and superstructure layout, similar size, and roughly comparable features and equipment. They often share a common naming theme, either being named after the same type of thing or person or with some kind of alliteration. Typically the ship class is named for the first ship of that class. Often, sisters become more differentiated during their service as their equipment are separately altered.

Source: "HMCS Cormorant (PCS 781)", Wikipedia, Wikimedia Foundation, (2023, January 25th), https://en.wikipedia.org/wiki/HMCS_Cormorant_(PCS_781).

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Citations
  1. ^ Arbuckle, p. 30
  2. ^ a b Gardiner and Chumbley, p. 49
  3. ^ a b c Macpherson and Barrie, p. 278
  4. ^ "Composition of the Fleet". The Crowsnest. Vol. 13, no. 8. Ottawa: Queen's Printer. June 1961. p. 10.
Sources
  • Arbuckle, J. Graeme (1987). Badges of the Canadian Navy. Halifax, Nova Scotia: Nimbus Publishing. ISBN 0-920852-49-1.
  • Gardiner, Robert; Chumbley, Stephen; Budzbon, Przemysław, eds. (1995). Conway's All the World's Fighting Ships 1947–1995. Annapolis, Maryland: Naval Institute Press. ISBN 1-55750-132-7.
  • 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.
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