HMCS St. Croix (DDE 256)

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HMCS St. Croix at CFB Esquimault 1964.jpg
HMCS St. Croix arriving at CFB Esquimalt in August 1964
History
Naval Ensign of the United Kingdom.svgNaval ensign of Canada.svgCanada
NameSt. Croix
Namesake St. Croix River
Builder Marine Industries Ltd., Sorel
Laid down15 October 1954
Launched17 November 1957
Commissioned4 October 1958
Decommissioned15 November 1974
Homeport CFB Esquimalt
IdentificationDDE 256
Motto"Stand, fight, yield not" [1]
Honours and
awards		Atlantic 1940–43 [1]
FateDisposed and broken up in 1991.
BadgeArgent, a cross wavy azure charged with a similar one argent issuing from between the arms of the cross saltirewise four maple leaves, gules [1]
General characteristics
Class and type Restigouche-class destroyer
Displacement2,800 tonnes (2,800 long tons; 3,100 short tons) (deep load)
Length366 ft (111.6 m)
Beam42 ft (12.8 m)
Draught14 ft (4.3 m)
Propulsion
  • 2-shaft English-Electric geared steam turbines
  • 2 Babcock & Wilcox boilers
  • 30,000 shp (22,000 kW)
Speed28 knots (52 km/h; 32 mph)
Range4,750 nautical miles (8,800 km; 5,470 mi) at 14 knots (26 km/h; 16 mph)
Complement214
Sensors and
processing systems
  • 1 × SPS-12 air search radar
  • 1 × SPS-10B surface search radar
  • 1 × Sperry Mk.2 navigation radar
  • 1 × SQS-501 high frequency bottom profiler sonar
  • 1 × SQS-502 high frequency mortar control sonar
  • 1 × SQS-503 hull mounted active search sonar
  • 1 × SQS-10 hull mounted active search sonar
  • 1 × Mk.69 gunnery control system with SPG-48 director forward
  • GUNAR (Mk.64 GFCS with on-mount SPG-48 director) aft
Electronic warfare
& decoys		1 × DAU HF/DF (high frequency direction finder)
Armament
  • 1 × 3-inch/70 Mk.6 Vickers twin mount forward
  • 1 × 3-inch/50 Mk.33 FMC twin mount aft
  • 2 × Mk NC 10 Limbo ASW mortars
  • 2 × single Mk.2 "K-gun" launchers with homing torpedoes

HMCS St. Croix was a Restigouche-class destroyer that served in the Royal Canadian Navy and later the Canadian Forces from 1958 to 1974. The fourth ship commissioned in the class, she was the second ship to bear the name. Following her decommissioning, the ship was used as a training ship at Halifax, Nova Scotia until 1991, when St. Croix was sold for scrapping.

Contents

Design and description

Based on the preceding St. Laurent-class design, the Restigouches had the same hull and propulsion, but different weaponry. [2] Initially the St. Laurent class had been planned to be 14 ships. However the order was halved, and the following seven were redesigned to take into improvements made on the St. Laurents. As time passed, their design diverged further from that of the St. Laurents. [3]

The ships had a displacement of 2,000 tonnes (2,000 long tons), 2,500 t (2,500 long tons) at deep load. They were designed to be 112 metres (366 ft) long with a beam of 13 metres (42 ft) and a draught of 4.01 metres (13 ft 2 in). [2] The Restigouches had a complement of 214. [4]

The Restigouches were by powered by two English Electric geared steam turbines, each driving a propeller shaft, using steam provided by two Babcock & Wilcox boilers. They generated 22,000 kilowatts (30,000  shp ) giving the vessels a maximum speed of 28 knots (52 km/h; 32 mph). [2]

The Restigouches were equipped with SPS-10, SPS-12, Sperry Mk 2 and SPG-48 radar along with SQS-501 and SQS-503 sonar. [5]

Armament

The Restigouches diverged from the St. Laurents in their weaponry. The Restigouches were equipped with two twin mounts of Vickers 3-inch (76 mm)/70 calibre Mk 6 dual-purpose guns forward and maintained a single twin mount of 3-inch/50 calibre Mk 22 guns aft used in the preceding class. [note 1] A Mk 69 fire control director was added to control the new guns. [6] They were also armed with two Limbo Mk 10 mortars and two single Bofors 40 mm guns. [5] However the 40 mm guns were dropped in the final design. [6]

The destroyers were also equipped beginning in 1958 with Mk 43 homing torpedoes in an effort to increase the distance between the ships and their targets. The Mk 43 torpedo had a range of 4,100 metres (4,500 yd) at 15 knots (28 km/h; 17 mph). They were pitched over the side by a modified depth charge thrower. [7]

Service history

St. Croix, named for a river in New Brunswick, was laid down on 15 October 1954 by Marine Industries at Sorel, Quebec. The ship was launched on 17 November 1956 and commissioned into the Royal Canadian Navy on 4 October 1958 with the classification DDE 256. [8]

Following her commissioning, the ship was assigned to the Third Canadian Escort Squadron. [9] In 1959 as a member of the Fifth Canadian Escort Squadron, St. Croix escorted the royal yacht HMY Britannia with Queen Elizabeth II aboard during her visit to Canada. [8] [9] The following year, with sister ships Terra Nova, Kootenay and Gatineau, she took part in the 500th anniversary of Prince Henry the Navigator's death off Lisbon. [8] [10]

In August 1964, St. Croix was transferred to the west coast. [8] St. Croix, along with Columbia and Chaudière, was one of three Restigouche-class vessels not selected for modernization in the Improved Restigouche (IRE) project of the late 1960s. [4] In 1966 St. Croix underwent shock testing off San Francisco. [9]

In 1968, she was part of the Second Canadian Escort Squadron following the unification of the Canadian Armed Forces and creation of Maritime Command in 1967. [11] In 1967 and 1969, the ship made long cruises across the Pacific, visiting Hawaii, Fiji, Australia and New Zealand. [9] In 1973, the ship was reassigned to the east coast. She was paid off on 15 November 1974 at Halifax, Nova Scotia and placed in reserve as economies required by government reductions in authorized strength. The ship was disarmed and had her propellers removed. Her machinery spaces were converted into classrooms and the vessel was used as an engineering school ship from 1984 until 1990. The ship was sold in 1991 to Jacobson Metal of Chesapeake, Virginia and was towed from Halifax in April for scrapping. [8]

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References

Notes

  1. ↑ Calibre denotes the length of the barrel. In this case, 50 calibre means that the gun barrel is 50 times as long as it is in diameter

Citations

  1. 1 2 3 Arbuckle, p. 108
  2. 1 2 3 Gardiner and Chumbley, p. 45
  3. ↑ Milner, p. 248
  4. 1 2 Macpherson and Barrie (2002), p. 251
  5. 1 2 Gardiner and Chumbly, p. 46
  6. 1 2 Boutiller, p. 323
  7. ↑ Milner, p. 225
  8. 1 2 3 4 5 Macpherson and Barrie (2002), p. 254
  9. 1 2 3 4 Barrie and Macpherson (1996), p. 47
  10. ↑ "RCN Ships at Review in Portugal". Ottawa Citizen. 13 August 1960. p. 20. Retrieved 19 January 2016.
  11. ↑ "Canada's fleet has 31 ships". The Saturday Citizen. 7 June 1968. p. 19. Retrieved 19 January 2015.

Sources

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