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History
Canada
Name	Sarnia
Namesake	City of Sarnia
Builder	Davie Shipbuilding, Lauzon
Laid down	18 September 1941
Launched	21 January 1942
Commissioned	13 August 1942
Decommissioned	28 October 1945
Identification	Pennant number: J309
Honours and; awards	Atlantic 1942–43, Gulf of St. Lawrence 1942
Fate	Sold to Turkey
Turkey
Name	Büyükdere
Acquired	29 March 1958
Decommissioned	1972
Identification	P-128
Fate	Registry deleted 1972
General characteristics
Class and type	Bangor-class minesweeper
Displacement	672 long tons (683 t)
Length	180 ft (54.9 m) oa
Beam	28 ft 6 in (8.7 m)
Draught	9 ft 9 in (3.0 m)
Propulsion	2 Admiralty 3-drum water tube boilers, 2 shafts, vertical triple-expansion reciprocating engines, 2,400 ihp (1,790 kW)
Speed	16.5 knots (31 km/h)
Complement	83
Armament	1 × 12-pounder (3 in (76 mm)) 12 cwt HA gun or QF 3-inch (76 mm) 20 cwt gun; 1 x QF 2 pdr Mark VIII; 2 × QF 20 mm Oerlikon guns; 40 depth charges as escort;

HMCS Sarnia was a Bangor-class minesweeper that served in the Royal Canadian Navy during the Second World War. She saw action in the Battle of the Atlantic and the Battle of the St. Lawrence. She was named for Sarnia, Ontario. After the war she was refitted and transferred to the Turkish Naval Forces and renamed Büyükdere. She served with them until 1972.

Design and description

A British design, the Bangor-class minesweepers was smaller than the preceding Halcyon-class minesweepers in British service, but larger than the Fundy class in Canadian service.^[3]^[4] They came in two versions powered by different engines; those with a diesel engines and those with vertical triple-expansion steam engines.^[3] Sarnia was of the latter design and was larger than her diesel-engined cousins. Sarnia was 180 feet (54.9 m) long overall, had a beam of 28 feet 6 inches (8.7 m) and a draught of 9 feet 9 inches (3.0 m).^[3]^[5] The minesweeper had a displacement of 672 long tons (683 t). She had a complement of 6 officers and 77 enlisted.^[5]

Sarnia had two vertical triple-expansion steam engines, each driving one shaft, using steam provided by two Admiralty three-drum boilers. The engines produced a total of 2,400 indicated horsepower (1,800 kW) and gave a maximum speed of 16.5 knots (30.6 km/h; 19.0 mph). The minesweeper could carry a maximum of 150 long tons (152 t) of fuel oil.^[3]

Sarnia was armed with a single quick-firing (QF) 3-inch (76 mm) 20 cwt gun mounted forward.^[3]^[6]^[b] The ship was also fitted with a QF 2-pounder Mark VIII aft and was eventually fitted with single-mounted QF 20 mm Oerlikon guns on the bridge wings.^[7] Those ships assigned to convoy duty had two depth charge launchers and four chutes to deploy the 40 depth charges they carried.^[3]^[6] Sarnia was equipped with LL and SA minesweeping gear to clear both magnetic and acoustic naval mines.^[6]

Service history

Sarnia was ordered as part of the Royal Canadian Navy's 1941–42 shipbuilding programme. The minesweeper's keel was laid down on 18 September 1941 by Davie Shipbuilding and Repairing Co. Ltd. at Lauzon, Quebec.^[8]^[a] The ship was launched on 21 January 1942 and commissioned into the Royal Canadian Navy at Toronto on 13 August 1942.^[8]

After commissioning, Sarnia escorted a Quebec-Sydney convoy en route to Halifax. She was then assigned to Newfoundland Force and remained with the unit until September 1944. That September she underwent a major refit at Lunenburg.^[8] In late 1943, the ship was involved in two sabotage events. The investigation pointed to three engine room crew members but there was not enough evidence to press charges.^[9]

After returning to service and working up in Bermuda, Sarnia was assigned to Halifax Force and then Halifax Local Defence Force, remaining with this group until June 1945. On 15 April 1945, she rescued survivors from the torpedoed HMCS Esquimalt, which had been waiting for Sarnia in the Halifax Approaches. Sarnia unsuccessfully depth charged Esquimalt's attacker, U-190, after making contact with the submarine.^[10] After June she performed miscellaneous duties along the east coast until paid off on 28 October 1945 at Sydney and laid up at Shelburne.^[8]

Cold War service

Following the war, Sarnia was placed in strategic reserve at Sorel, Quebec. She was reacquired by the Royal Canadian Navy in 1951 and refitted.^[8] Her pennant number was changed to 190.^[11] Sarnia was the first Bangor-class minesweeper to finish her refit and was towed to Sydney, Nova Scotia and placed back in reserve.^[12] She was not recommissioned and was instead transferred to Turkey on 29 March 1958 and renamed Büyükdere.^[13]^[8] She served until 1972 when her registry was deleted.^[13] The ship was broken up in Turkey in 1972.^[14]

References

Notes

^ ^a ^b Colledge and shipbuildinghistory.com both have Sarnia being built by Dufferin Shipbuilding Co., Toronto^[13]^[15]
^ "Cwt" is the abbreviation for hundredweight, 20 cwt referring to the weight of the gun.

Citations

^ "Battle Honours". Britain's Navy. Retrieved 18 September 2013.
^ "Royal Canadian Warships that Participated in the Battle of the Gulf of St. Lawrence". Veterans Affairs Canada. Archived from the original on 27 September 2013. Retrieved 18 September 2013.
^ ^a ^b ^c ^d ^e ^f Chesneau, p. 64
^ Macpherson and Barrie (2002), p. 167
^ ^a ^b Macpherson and Barrie (2002), p. 180
^ ^a ^b ^c Macpherson (1997), p. 70
^ Macpherson (1997), p. 58
^ ^a ^b ^c ^d ^e ^f Macpherson and Barrie (2002), p. 193
^ Mayne, Richard O. "Protestors or Traitors? Investigating Cases of Crew Sabotage in the Royal Canadian Navy; 1942–1945". Canadian Military Journal. Retrieved 7 June 2014.
^ Schull, pp. 398, 404
^ Macpherson and Barrie (2002), p. 317
^ "First Bangor Finishes Refit". The Crowsnest. Vol. 5, no. 3. Ottawa: Queen's Printer. January 1953. p. 14.
^ ^a ^b ^c Colledge, p. 560
^ "Sarnia (6114096)". Miramar Ship Index. Retrieved 6 August 2016.
^ "Redfern Construction, Toronto ON". shipbuildinghistory.com. 12 August 2011. Archived from the original on 6 June 2014. Retrieved 5 June 2014.

Sources

Chesneau, Roger, ed. (1980). Conway's All the World's Fighting Ships 1922–1946. Greenwich, UK: Conway Maritime Press. ISBN 0-85177-146-7.
Colledge, J. J.; Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8.
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.
Macpherson, Ken (1997). Minesweepers of the Royal Canadian Navy 1938–1945. St. Catharines, Ontario: Vanwell Publishing. ISBN 0-920277-55-1.
Schull, Joseph (1961). The Far Distant Ships: An Official Account of Canadian Naval Operations in the Second World War. Ottawa: Queen's Printer. OCLC 19974782.

External links

[builder-1] Colledge and shipbuildinghistory.com both have Sarnia being built by Dufferin Shipbuilding Co., Toronto^[13]^[15]

[gun_nomenclature-8] "Cwt" is the abbreviation for hundredweight, 20 cwt referring to the weight of the gun.

[Britain-2] "Battle Honours". Britain's Navy. Retrieved 18 September 2013.

[Gulf-3] "Royal Canadian Warships that Participated in the Battle of the Gulf of St. Lawrence". Veterans Affairs Canada. Archived from the original on 27 September 2013. Retrieved 18 September 2013.

[chesneau-4] ^ ^a ^b ^c ^d ^e ^f Chesneau, p. 64

[mac167-5] Macpherson and Barrie (2002), p. 167

[mac180-6] Macpherson and Barrie (2002), p. 180

[mac70-7] Macpherson (1997), p. 70

[mac-9] Macpherson (1997), p. 58

[m1-10] ^ ^a ^b ^c ^d ^e ^f Macpherson and Barrie (2002), p. 193

[cmj1-11] Mayne, Richard O. "Protestors or Traitors? Investigating Cases of Crew Sabotage in the Royal Canadian Navy; 1942–1945". Canadian Military Journal. Retrieved 7 June 2014.

[12] Schull, pp. 398, 404

[13] Macpherson and Barrie (2002), p. 317

[14] "First Bangor Finishes Refit". The Crowsnest. Vol. 5, no. 3. Ottawa: Queen's Printer. January 1953. p. 14.

[c1-15] Colledge, p. 560

[16] "Sarnia (6114096)". Miramar Ship Index. Retrieved 6 August 2016.

[17] "Redfern Construction, Toronto ON". shipbuildinghistory.com. 12 August 2011. Archived from the original on 6 June 2014. Retrieved 5 June 2014.

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PROFILPELAJAR.COM

HMCS Sarnia

Design and description

Service history

Cold War service

See also

References

Notes

Citations

Sources

External links

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