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Isles-class trawler

The Isles-class trawlers were a class of naval trawler used by the Royal Navy, Royal Canadian Navy and Royal New Zealand Navy during World War II.

Isles class
HMT Ailsa Craig in 1944
Class overview
Operators
Subclasses German Navy: Type 139 patrol trawler
Built1939–1945
Completed
Lost23
General characteristics
TypeNaval trawler
Displacement545 long tons (554 t)
Length164 ft (50 m)
Beam27 ft 8 in (8.43 m)
Draught11 ft 1 in (3.38 m) (mean)
Propulsion1 triple expansion reciprocating engine, 1 shaft, 850 ihp (634 kW)
Speed12 knots (22 km/h; 14 mph)
Complement40
ArmamentSee text

The type comprised 197 vessels built between 1939 and 1945 in the nearly identical Isles, Dance, Tree and Shakespearian classes. Generally similar to the Castle-class trawlers of 1916–1918, though somewhat larger, they were mainly used on minesweeping and harbour defence duties. Most were armed with one 12-pounder gun (76 mm) and three or four 20 mm Oerlikon AA guns with 30 depth charges. In the Dance class a 4-inch AA gun (102 mm) was fitted in place of the 12 pdr, and there were six 20 mm Oerlikons in Annet, Bressay, Damsay, Fiaray, Foulness and Lindisfarne. Four of the trawlers were given "bird" names when converted to controlled minelayers in 1943–44: Blackbird (M15), Dabchick (M22), Stonechat (M25) and Whitethroat (M03). A total of 23 of these trawlers were lost during the war.[1] Six trawlers were loaned to Canada in 1942-45 and five to Norway in 1943–45.

Postwar, 17 of the trawlers were disarmed as wreck disposal vessels: Bardsey (DV13), Bern (DV4), Caldy (DV5) Coll (DV6), Earraid (DV7), Fetlar (DV8), Flatholm (DV9), Graemsay (DV10), Lindisfarne (DV11), Lundy (DV12), Neave (DV14), Scalpay (DV15), Skomer (DV16), Steepholm (DV17), Switha (DV18), Tiree (DV19), and Trondra (DV20). At least five were employed as danlayers (laying and retrieving dan buoys during minesweeping operations): Imersay (J422), Sandray (J424), Shillay (J426), Sursay (J427) and Tocogay (J451). After decommissioning, Switha and Coll were converted to oil tank cleaning vessels for dockyard service in 1949–50.

By 1949 there remained in service of this type 31 trawlers and four controlled minelayers in the Royal Navy, one controlled minelayer in the Royal Canadian Navy, and four trawlers in the Royal New Zealand Navy. An additional 16 were in service in the Italian Navy and six in the Portuguese Navy.[2] Most of the surviving Royal Navy examples were discarded in the 1950s, but a few remained until the 1960s. Two acquired postwar by the Federal German Navy remained in service as training vessels well into the 1970s, with one, Trave (ex-Dochet), resold to Turkey for further service in 1977.

Builders

Ships in class

Royal Navy

Construction data for Isles-class trawlers of the Royal Navy
ShipBuilderLaid downLaunchedCommissioned/​CompletedFate
Ailsa CraigCook, Welton & Gemmell16 October 1943[3]24 December 1943[4]Sold 1946 and renamed Veslemoy. Renamed Toran in 1952. Lost 19 February 1955.[3]
Annet[5]Cook, Welton & Gemmell25 March 1943[3]19 June 1943[4]Became a Wreck disposal vessel in 1946.[3] Still in use as diving Vessel for clearance diving in 1953.[6] Sold 1957.[7] Became fishery protection vessel FPV Ulva for Fishery Board for Scotland in 1958. Withdrawn from use 1971 and scrapped 1972.[3][8]
ArranCook, Welton & Gemmell16 November 1940[3]1 May 1941[9]Sold 1946 and renamed Assan Reis. Renamed Professor Henking 1952.[3]
BaltaCook, Welton & Gemmell2 December 1940[3]19 May 1941[10]Sold 1946
BardseyFleming & Ferguson17 July 1943[3]15 September 1943[4]Still in service 1949 as wreck disposal vessel (DV13)
BenbeculaCook, Welton & Gemmell28 October 1943[3]13 January 1944[4]Sold 1946, bought by HM Customs and Excise and served as HMRC Vigilant
BernCook, Welton & Gemmell2 May 1942[3]9 October 1942[10]Still in service 1949 as wreck disposal vessel (DV4)
BiggalFerguson Bros.4 December 1944[3]Sold 1946
Blackbird (ex-Sheppey)Cook, Welton & Gemmell20 February 1943[11]Converted to controlled minelayer (M15) 1943: still in service 1949
BressayCook, Welton & Gemmell20 January 1942[3]10 May 1942[10]Sold 1946
BroraCook, Welton & Gemmell18 December 1940[3]11 June 1941[10]Grounded off Hebrides 6 September 1941
BrurayCook, Welton & Gemmell16 May 1942[3]1 December 1942[10]Transferred to Portugal 1943 as Sam Miguel (P1)
BryherCook, Welton & Gemmell8 April 1943[3]20 July 1943[4]Still in service 1949
BurraGoole S.B. & R. Co.29 March 1941[3]18 July 1941[10]Transferred to Italy 1946 as DR 301
ButeGoole S.B. & R. Co.12 May 1941[3]15 September 1941[10]Sold 1946
CaldyJohn Lewis & Sons31 August 1943[3]14 December 1943[4]Still in service 1949 as wreck disposal vessel (DV5)
CampobelloCollingwood Shipyards19 June 1942[12]War loss 16 Mar 1943.
CopinsayCochrane & Sons12 April 1940[13]25 April 1941[10]Sold 1946
CrowlinCook, Welton & Gemmell15 November 1943[13]28 January 1944[14]Sold 1946
CumbraeCochrane & Sons20 December 1940[13]17 May 1941[10]To Italy 1946 as DR 302
DamsayGeorge Brown & Co.27 June 1942[13]3 September 1942[10]Still in service 1949
DochetG.T. Davie & Sons26 June 1942[12]13 November 1942[15]Acquired by Federal German Navy postwar and renamed Trave (A51) as a Type 139 patrol trawler; sold to Turkey in 1977
Earraid (ex-Gruna)John Crown & Sons18 December 1941[16]11 May 1942[10]Later wreck disposal vessel (DV7); sold 1948
EdayCochrane & Sons26 June 1941[13]22 November 1941[10]Loaned to Norway as Tromöy (i) 1943–44; sold into mercantile use 1946
EgilsayCook, Welton & Gemmell7 February 1942[13]28 May 1943[10]To Italy 1946 as DR 306
EnsayCook, Welton & Gemmell5 March 1942[13]15 June 1942[10]To Italy 1946 as DR 314
EriskayFleming & Ferguson28 August 1942[13]28 October 1942[10]To Portugal 1943 as P8
FaraCochrane & Sons27 January 1941[13]28 June 1941[10]Sold 1946
FarneCook, Welton & Gemmell22 April 1943[13]31 August 1943[14]Sold 1946
FetlarCochrane & Sons10 July 1941[13]13 December 1941[10]Still in service 1949 as wreck disposal vessel (DV8)
FiarayGoole S.B. & R. Co.13 June 1942[13]27 September 1942[10]Sold 1946
FillaJohn Crown & Sons2 April 1942[13]28 August 1942[10]To Italy 1946 as DR 305
FlatholmCook, Welton & Gemmell8 May 1943[13]20 August 1943[14]Later wreck disposal vessel (DV9); sold 1948
FlintG.T. Davie & Sons14 July 1942[12]13 November 1942[15]Acquired by Federal German Navy postwar and renamed Eider (A50) as a Type 139 patrol trawler
FlottaCochrane & Sons13 February 1941[13]7 June 1941[10]Grounded off East Scotland 6 Nov 1941.
FoulaCochrane & Sons28 July 1941[13]3 January 1942[10]To Italy 1946 as DR 313
FoulnessJohn Lewis & Sons23 March 1942[13]30 June 1943[14]Still in service 1949
FudayCook, Welton & Gemmell1 January 1944[13]24 March 1944[14]Sold 1946
GairsayArdrossan Dockyard Co.28 May 1942[13]2 September 1943[14]War loss 4 Aug 1944.
GanillyCook, Welton & Gemmell22 May 1943[13]War loss 5 July 1944
GatesheadG.T. Davie & Sons1 August 1942[12]11 May 1943[15]Sold 1947
GillstoneCochrane & Sons19 July 1943[16]13 November 1943[14]Sold 1946
GorreganArdrossan Dockyard Co.30 December 1943[16]16 June 1944[14]Still in service 1949
GraemsayArdrossan Dockyard Co.3 August 1942[16]16 June 1943[10]Still in service 1949 as wreck disposal vessel (DV10)
GrainCochrane & Sons17 August 1943[16]16 November 1943[14]To Italy 1946 as DR 309
GrassholmJohn Lewis & Sons20 April 1943[16]17 August 1943[14]Sold 1946
GruinardJohn Crown & Sons20 November 1943[16]1 March 1943[10]To Portugal 1943 as P7
GullandCook, Welton & Gemmell30 April 19435 August 1943[16]30 October 1943[14]Sold to mercantile use 1946; renamed Henken 1947 and Arab Trader 1949; wrecked north of Mombasa 13 April 1951. Boiler and wreckage still on reef.[17]
Gweal (ex-Boreray)Cook, Welton & Gemmell17 June 1943[3]3 November 1942[4]Sold 1946
HannarayCook, Welton & Gemmell12 February 1944[16]3 May 1944[14]Sold 1946
HarrisCook, Welton & Gemmell29 January 1944[16]12 April 1944[14]Sold 1946
HascosayCook, Welton & Gemmell28 March 1944[16]26 May 1944[14]Sold 1946
HaylingCook, Welton & Gemmell17 August 1942[16]To Portugal 1943 as Terceira (P3)
HellisayCochrane & Sons27 March 1944[16]17 July 1944[14]Sold 1946
HermetrayCochrane & Sons11 April 1944[16]22 August 1944[14]Sold 1947
HerschellG.T. Davie & Sons5 November 1942[12]29 May 1943[15]Sold 1946
HildasayCook, Welton & Gemmell29 April 1941[16]30 September 1941[10]Grounded on Diani reef south of Mombasa, Kenya on 21 Jun 1945. Broke up during the next three months. Boiler visible at low tide.

[17]

HoxaCook, Welton & Gemmell15 January 1941[16]18 July 1941[10]Sold 1946
HoyCook, Welton & Gemmell1 February 1941[16]10 July 1941[10]Sold 1946
HundaFerguson Bros.4 February 1942[16]31 March 1942[10]Sold 1946
ImersayCochrane & Sons21 August 1944[16]8 December 1944[14]Still in service 1949 as danlayer (J422)
InchcolmCook, Welton & Gemmell3 March 1941[16]25 July 1941[10]Sold 1946
InchmarnockJohn Lewis & Sons25 August 1941[18]28 November 1941[10]Loaned to Norway as Karmöy 1944–45; sold mercantile 1946
IslaySmith's Dock Co.10 April 1941[18]17 June 1941[10]Sold 1946
JuraArdrossan Dockyard Co.22 November 1941[18]War loss 7 Jan 1943
KerreraFerguson Bros.22 September 1941[18]31 October 1941[10]Loaned to Norway as Oksöy 1944–45; sold mercantile 1946
KintyreArdrossan Dockyard Co.21 October 1941[18]24 April 1942[10]Sold 1946
KitternCook, Welton & Gemmell28 August 1943[18]13 November 1943[14]Sold 1946
LindisfarneCook, Welton & Gemmell17 June 1943[18]17 August 1943[14]Still in service as wreck disposal vessel (DV11)
LingayCochrane & Sons6 September 1944[18]6 January 1945[14]Sold 1946
LongaCochrane & Sons15 October 1943[18]13 February 1944[14]Sold 1946
LundyCook, Welton & Gemmell29 August 1942[18]15 January 1943[4]Still in service in 1949 as wreck disposal vessel (DV12)
MewstoneCook, Welton & Gemmell16 September 1943[18]26 November 1943[14]Sold 1946
MinaltoCook, Welton & Gemmell3 July 1943[18]30 September 1943[14]Sold 1946
MincarloArdrossan Dockyard Co.28 March 1944[18]24 October 1944[14]Loaned to Norway as Tromöy (ii) 1944–45, sold mercantile 1946
MousaGoole S.B. & R. Co.1 June 1942[18]30 August 1942[10]To Italy 1946 as DR 311
MullCook, Welton & Gemmell27 March 1941[18]19 August 1941[10]Sold 1946
NeaveCook, Welton & Gemmell16 July 1942[18]25 November 1942[4]Still in service in 1949 as wreck disposal vessel (DV14)
OrfasyA. Hall & Co.17 March 1942[18]War loss 22 October 1943
OronsayCochrane & Sons30 October 1943[18]16 February 1944[14]Still in service 1949
OxnaA. & J. Inglis26 January 1943[11]18 July 1943[4]Sold 1946
PladdaCook, Welton & Gemmell16 April 1941[11]19 August 1941[4]Sold 1946
PorcherMidland Shipyards26 May 1942[19]27 October 1942[15]Sold 1946
ProspectMidland Shipyards16 June 1942[19]4 November 1942[15]Sold 1946
RonaldsayCochrane & Sons14 February 1941[11]17 July 1941[4]Sold 1946
RoseveanCook, Welton & Gemmell17 July 1943[11]16 October 1943[14]Sold 1946
RousayGoole S.B. & R. Co.20 December 1941[11]17 April 1942[4]Sold 1946
RuskholmGoole S.B. & R. Co.4 February 1942[11]10 May 1942[4]To Portugal 1945 as Baldaque da Silva
RysaCochrane & Sons15 March 1941[11]9 August 1941[4]War loss 8 Dec 1943
ScalpayCook, Welton & Gemmell2 June 1942[11]20 October 1941[4]Later wreck disposal vessel (DV15); sold 1948
ShapinsayCochrane & Sons29 March 1941[11]5 September 1941[4]Sold 1946
ShiantGoole S.B. & R. Co.9 August 1941[20]24 November 1941[4]Loaned to Norway as Jelöy 1944–45; sold mercantile 1946
SkokholmCook, Welton & Gemmell29 September 1943[20]10 December 1943[14]Sold 1946
SkomerJohn Lewis & Sons17 June 1943[20]4 November 1943[14]Still in service 1949
SkyeHenry Robb17 March 1942[20]22 July 1942[10]Still in service 1949
SlunaCochrane & Sons14 April 1941[20]10 October 1941[4]Sold 1946
St. AgnesJohn Lewis & Sons19 May 1943[11]21 September 1943[14]Sold 1946
St. KildaA. Hall & Co.29 May 1942[11]30 September 1942[4]Sold 1946
StaffaHenry Robb15 June 1942[20]31 August 1942[4]Sold 1946
SteepholmJohn Lewis & Sons15 July 1943[20]1 December 1943[14]Converted to wreck disposal vessel December 1945. Still in use as the last of 18 wreck disposal vessels in 1958.[21]
StromaHall, Russell & Co.19 November 1941[20]22 January 1942[4]To Italy 1946 as DR 315
StronsayA. & J. Inglis4 March 1942[20]War loss 5 Feb 1943
SwithaA. & J. Inglis3 April 1942[20]15 June 1942[4]Later wreck disposal vessel (DV18); converted to oil fuel tank cleaning vessel 1949-50
TexadaMidland Shipyards27 July 1942[12]17 November 1942[15]Sold 1946
TireeGoole S.B. & R. Co.6 September 1941[20]12 January 1942[4]Still in service 1949 as wreck disposal vessel (DV19)
TrondraJohn Lewis & Sons4 October 1941[20]16 January 1942[4]Still in service 1949 as wreck disposal vessel (DV20)
UlvaCook, Welton & Gemmell30 July 1942[20]15 December 1942[4]Sold 1946
UnstFerguson Bros.28 May 1942[20]31 July 1942[4]To Italy 1946 as DR 303
VatersayCochrane13 November 1943[12]9 March 1944[14]Sold 1946
WallaseaHenry Robb22 April 1943[20]26 July 1943[15]War loss 6 Jan 1944.
WestrayJohn Lewis & Sons4 November 1941[12]2 March 1942[4]Sold 1946
WhalsayCook, Welton & Gemmell4 April 1942[12]28 August 1942[4]To Portugal 1943 as Santa Maria (P4)

The following 21 trawlers may be[citation needed] described as comprising the Repeat Isles class:

Construction data for Repeat Isles–class trawlers of the Royal Navy
ShipBuilderLaid downLaunchedCommissioned/​CompletedFate
CalvayCook, Welton & Gemmell29 November 1943[3]16 February 1944[14]Sold 1946
CannaCochrane & Sons18 November 1940[3]3 March 1941[10]War loss 5 December 1942[3]
CavaFleming & Ferguson3 March 1941[3]3 March 1941[10]Sold 1946
CollArdrossan Dockyard Co.7 April 1942[13]21 September 1942[10]Later wreck disposal vessel (DV6); converted to oil fuel tank cleaning vessel 1949-50
ColsayCook, Welton & Gemmell15 December 1943[13]war loss 1944
Dabchick (ex-Thorney)Cook, Welton & Gemmell9 March 1943[20]converted 1943 to controlled minelayer (M22); still in service 1949
OrsayCochrane & Sons1 January 1945[18]still in service 1949
RonaCochrane & SonsFebruary 1945still in service 1949
SandrayCook, Welton & Gemmell5 October 1944[11]27 December 1944[15]Still in service 1949 as danlayer (J424)
ScaravayCook, Welton & Gemmell22 October 1944[11]14 January 1945[15]Sold 1946
Sheppey (ex-Raasay)Cook, Welton & Gemmell1 April 1942[11]18 September 1942[10]Sold 1946
ShillayCook, Welton & Gemmell18 November 1944[20]30 January 1945[15]Still in service 1949 as danlayer (J426)
StonechatCook, Welton & Gemmell22 August 1944[12]1944 as controlled minelayer (M25); still in service 1949
SursayCook, Welton & Gemmell16 December 194426 February 1945[15]Still in service 1949 as danlayer (J427)
TahayCook, Welton & Gemmell31 December 1944[20]23 March 1945[15]Still in service 1949
TocogayCook, Welton & Gemmell7 February 1945[20]still in service 1949 as danlayer (J451)
TroddayCook, Welton & Gemmell3 March 1945[20]still in service 1949
VaceasayCook, Welton & Gemmell17 March 1945[12]still in service 1949
VallayCook, Welton & Gemmell10 April 1945[12]still in service 1949
WhitethroatWelton & Gemmell6 September 1944[12]19441944 as controlled minelayer (M03); still in service 1949
WiayCook, Welton & Gemmell26 April 1944[12]still in service 1949

Royal Canadian Navy

Construction data for Isles–class trawlers of the Royal Canadian Navy
ShipBuilderLaid downLaunchedCommissionedPaid offFate
AnticostiCollingwood Shipyards1 April 1942[3]8 August 1942[22]Sold 1946 to Norway as Guloy, to Sweden as Barbro and to Ethiopia as Giuseppina in 1968. Wrecked in Massawa in 1996.[23]
BaffinCollingwood Shipyards14 October 194113 April 1942[12]20 August 1942[22]20 Aug 1945Sold mercantile 1947; renamed Niedermehnen 1952, Broken up 1983.
CailiffCollingwood Shipyards30 April 1942[12]19 September 1942[22]10 June 1945Formerly HMS Cailiff (T276). Sold mercantile 1946; converted to Norwegian commercial trawler Borgenes. Laid up in 1990s, but proposals to restore her as a steam trawler [24] were unfulfilled. Sold for demolition in Oct 2012 [25][26]
IronboundKingston Shipyards14 January 1942[12]5 October 1942[22]Sold 1946
LiscombKingston Shipyards23 March 1942[12]3 September 1942[22]Sold 1946
MagdalenMidland Shipyards7 March 1942[12]19 August 1942[22]Sold 1946
ManitoulinMidland Shipyards23 April 1942[19]8 September 1942[22]Sold 1946
MiscouCollingwood Shipyards1 June 1942[12]20 October 1942[22]Later HMS Campenia and HMS Bowell. Lent to RCN by RN. Sold to Bergen as Cleveland, 1946; to Nordlandslinjen and renamed Sigurd Hund, 1950; to Ålesund and renamed Vestfar, 1963; to Hans Hansen in 1971 to Faroe Islands. Broken up in 1974.

Royal New Zealand Navy

Construction data for Isles–class trawlers of the Royal New Zealand Navy
ShipBuilderLaid downLaunchedComm.Fate
InchkeithJohn Lewis & Sons16 November 1940[27]10 July 1941[18]24 October 1941[10]Still in service 1949
KillegrayCook, Welton & Gemmell24 January 1941[27]27 May 1941[18]14 October 1941[10]Still in service 1949
SandaGoole S.B. & R. Co.23 December 1940[27]12 July 1941[11]3 November 1941[4]Still in service 1949
ScarbaCook, Welton & Gemmell6 March 1941[27]25 November 1941[4]25 June 1941[11]Still in service 1949

See also

References

  • Blackman, Raymond V. B., ed. (1953). Jane's Fighting Ships 1953–54. New York: McGraw-Hill Book Company Inc.
  • Blackman, Raymond V. B., ed. (1960). Jane's Fighting Ships 1960–61. London: Sampson Low, Marston & Co., Ltd.
  • Elliott, Peter (1977). Allied Escort Ships of World War II. London: Macdonald & Jane's Publishers Limited. ISBN 0-356-08401-9.
  • "Last of the Wreck Dispersal Vessels" (PDF). Navy News. No. 49. June 1958. p. 9. Retrieved 11 February 2022.
  • Lenton, H. T.; Colledge, J. J. (1973). Warships of World War II (Second ed.). London: Ian Allan. ISBN 0-7110-0403-X.
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