HMCS Port Colborne

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Portcolb.jpg
HMCS Port Colborne
History
Naval Ensign of the United Kingdom.svgCanada
NameHMCS Port Colborne
Namesake Port Colborne, Ontario
Operator Royal Canadian Navy
OrderedApril 1942
Builder Yarrows, Esquimalt
Laid down16 December 1942
Launched21 April 1943
Commissioned15 November 1943
Decommissioned7 November 1945
Identification pennant number: K 326
Honours and
awards		Atlantic 1944–45, English Channel 1944, Normandy 1944, Arctic 1944, North Sea 1945 [1]
FateSold, scrapped 1947
General characteristics
Class and type River-class frigate
Displacement
  • 1,445 long tons (1,468 t; 1,618 short tons)
  • 2,110 long tons (2,140 t; 2,360 short tons) (deep load)
Length
  • 283 ft (86.26 m) p/p
  • 301.25 ft (91.82 m)o/a
Beam36.5 ft (11.13 m)
Draught9 ft (2.74 m); 13 ft (3.96 m) (deep load)
Propulsion2 x Admiralty 3-drum boilers, 2 shafts, reciprocating vertical triple expansion, 5,500 ihp (4,100 kW)
Speed
  • 20 knots (37.0 km/h)
  • 20.5 knots (38.0 km/h) (turbine ships)
Range646 long tons (656 t; 724 short tons) oil fuel; 7,500 nautical miles (13,890 km) at 15 knots (27.8 km/h)
Complement157
Armament

HMCS Port Colborne was a River-class frigate that served with the Royal Canadian Navy during the Second World War. She served primarily as a convoy escort in the Battle of the Atlantic. She was named for Port Colborne, Ontario.

Contents

Port Colborne was ordered in April 1942 as part of the 1942–1943 River-class building program. [2] [3] She was laid down on 16 December 1942 by Yarrows Ltd. at Esquimalt and launched 21 April 1943. [3] She was commissioned into the Royal Canadian Navy on 15 November 1943 at Victoria, British Columbia. [2]

Background

The River-class frigate was designed by William Reed of Smith's Dock Company of South Bank-on-Tees. Originally called a "twin-screw corvette", its purpose was to improve on the convoy escort classes in service with the Royal Navy at the time, including the Flower-class corvette. The first orders were placed by the Royal Navy in 1940 and the vessels were named for rivers in the United Kingdom, giving name to the class. In Canada they were named for towns and cities though they kept the same designation. [4] The name "frigate" was suggested by Vice-Admiral Percy Nelles of the Royal Canadian Navy and was adopted later that year. [5]

Improvements over the corvette design included improved accommodation which was markedly better. The twin engines gave only three more knots of speed but extended the range of the ship to nearly double that of a corvette at 7,200 nautical miles (13,300 km) at 12 knots. [5] Among other lessons applied to the design was an armament package better designed to combat U-boats including a twin 4-inch mount forward and 12-pounder aft. [4] 15 Canadian frigates were initially fitted with a single 4-inch gun forward but with the exception of HMCS Valleyfield, they were all eventually upgraded to the double mount. [5] For underwater targets, the River-class frigate was equipped with a Hedgehog anti-submarine mortar and depth charge rails aft and four side-mounted throwers. [4]

River-class frigates were the first Royal Canadian Navy warships to carry the 147B Sword horizontal fan echo sonar transmitter in addition to the irregular ASDIC. This allowed the ship to maintain contact with targets even while firing unless a target was struck. Improved radar and direction-finding equipment improved the RCN's ability to find and track enemy submarines over the previous classes. [4]

Canada originally ordered the construction of 33 frigates in October 1941. [4] [5] The design was too big for the shipyards on the Great Lakes so all the frigates built in Canada were built in dockyards along the west coast or along the St. Lawrence River. [5] In all Canada ordered the construction of 60 frigates including ten for the Royal Navy that transferred two to the United States Navy. [4]

War service

After working up in Bermuda, Port Colborne was assigned to escort group EG 9 based out of Derry. Beginning in May 1944 she remained in United Kingdom waters on anti-submarine patrols and local escort duty. She participated in Operation Neptune, the naval component of the Invasion of Normandy in June 1944. She returned to her previous duties until December 1944 when she escorted two Russian convoys, JW 62 and RA 62. [2]

Port Colborne returned to Canada in February 1945 to undergo a tropicalization refit at Liverpool in preparation for service in the southern Pacific Ocean. This was completed 24 September 1945 and she was paid off at Halifax on 7 November and laid up in Bedford Basin. In 1947 she was taken to Sydney, Nova Scotia and broken up. [2]

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References

Notes
  1. ↑ "Battle Honours". Britain's Navy. Retrieved 11 April 2014.
  2. 1 2 3 4 Macpherson, Ken; Burgess, John (1981). The ships of Canada's naval forces 1910–1981 : a complete pictorial history of Canadian warships. Toronto: Collins. ISBN   0-00216-856-1.
  3. 1 2 "HMCS Port Colborne (K 326)". uboat.net. Retrieved 11 April 2014.
  4. 1 2 3 4 5 6 "Fact Sheet No. 21 – Canadian River Class Frigates" . Retrieved 11 April 2014.
  5. 1 2 3 4 5 Macpherson, Ken (1989). Frigates of the Royal Canadian Navy 1943–1974. Lewiston, New York: Vanwell Publishing. pp. 6–7, 15. ISBN   0920277225.
References
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