Tree-class trawlers were a class of

anti-submarine An anti-submarine weapon (ASW) is any one of a number of devices that are intended to act against a submarine and its crew, to destroy (sink) the vessel or reduce its capability as a weapon of war. In its simplest sense, an anti-submarine weapon ...

naval trawler Naval trawlers are vessels built along the lines of a fishing trawler but fitted out for naval purposes; they were widely used during the World War I, First and World War II, Second World Wars. Some, known in the Royal Navy as "Admiralty trawlers ...

s which served in the

Royal Navy during the Second World War The Royal Navy was an important component of the Allied forces during the Second World War and made a significant contribution to the victory over the Axis powers. Its main tasks included the protection of merchant ships in the Atlantic against ...

. They were nearly identical to the s, of which they are usually considered a subclass. Six Tree-class trawlers were lost during the war: ''Almond, Ash, Chestnut, Hickory, Juniper'' and ''Pine''. One, ''Mangrove'', was transferred to Portugal in 1943. By the end of 1946, only ''Olive'' and ''Walnut'' remained in service with the Royal Navy. Both were sold in 1948.

Ships in class

* Built by

Ardrossan Dockyard Company Ardrossan (; ) is a town on the North Ayrshire coast in southwestern Scotland. The town has a population of 10,670 and forms part of a conurbation with Saltcoats and Stevenston known as the 'Three Towns#Scotland, Three Towns'. Ardrossan is loca ...

Ardrossan Ardrossan (; ) is a town on the North Ayrshire coast in southwestern Scotland. The town has a population of 10,670 and forms part of a conurbation with Saltcoats and Stevenston known as the 'Three Towns#Scotland, Three Towns'. Ardrossan is loca ...

, UK ** – Launched 1940, sold 1946 ** – Launched 1940, war loss 1941 * Built by Cochrane & Sons, Ltd.,

Selby Selby is a market town and civil parish in North Yorkshire, England, south of York on the River Ouse. At the 2021 Census, it had a population of 17,193. The town was historically part of the West Riding of Yorkshire; from 1974 until 2023, ...

, UK ** – Launched 1939, war loss 1941 ** – Launched 1939, sold 1946 * Built by Cook, Welton & Gemmell,

Beverley Beverley is a market town and civil parish in the East Riding of Yorkshire, England. It is located north-west of Hull city centre. At the 2021 census the built-up area of the town had a population of 30,930, and the smaller civil parish had ...

, UK ** – Launched 1939, sold 1946 ** – launched 1939, sold 1946 * Built by Ferguson Brothers, Ltd.,

Port Glasgow Port Glasgow (, ) is the second-largest town in the Inverclyde council area of Scotland. The population according to the 1991 census for Port Glasgow was 19,426 persons and in the 2001 census was 16,617 persons. The most recent census in 2011 s ...

, UK ** – Launched 15 December 1939, commissioned 9 March 1940; sunk in the

Norwegian Sea The Norwegian Sea (; ; ) is a marginal sea, grouped with either the Atlantic Ocean or the Arctic Ocean, northwest of Norway between the North Sea and the Greenland Sea, adjoining the Barents Sea to the northeast. In the southwest, it is separate ...

, 8 June 1940.Richard Humble, ''Hitler's High Seas Fleet'', p. 57. New York: Ballantine Books, 1971. ** – Launched 4 April 1942, transferred to Portugal 1943 as ''Faial'' (P2) *Built by Goole Shipbuilding & Repair Company,

Goole Goole is a port town and civil parish on the River Ouse, Yorkshire, River Ouse in the East Riding of Yorkshire, England. The town's Historic counties of England, historic county is the West Riding of Yorkshire. At the 2021 United Kingdom censu ...

, UK ** – Launched 1940, war loss 1940 ** – Launched 1940, sold 1946 * Built by

Hall, Russell & Company Hall, Russell & Company, Limited was a shipbuilder based in Aberdeen, Scotland. History Brothers James and William Hall, Thomas Russell, a Glasgow engineer, and James Cardno Couper founded the company in 1864 to build steam engines and boile ...

Aberdeen Aberdeen ( ; ; ) is a port city in North East Scotland, and is the List of towns and cities in Scotland by population, third most populous Cities of Scotland, Scottish city. Historically, Aberdeen was within the historic county of Aberdeensh ...

, UK ** – Launched 26 February 1940, sold 1948 ** – Launched 1940, war loss 1944 * Built by A. & J. Inglis, Ltd.,

Glasgow Glasgow is the Cities of Scotland, most populous city in Scotland, located on the banks of the River Clyde in Strathclyde, west central Scotland. It is the List of cities in the United Kingdom, third-most-populous city in the United Kingdom ...

, UK (part of

Harland & Wolff Harland & Wolff Holdings plc is a British shipbuilding and Metal fabrication, fabrication company headquartered in London with sites in Belfast, Arnish yard, Arnish, Appledore, Torridge, Appledore and Methil. It specialises in ship repair, ship ...

) ** – Launched 1939, sold 1946 ** – Launched 1940, sold 1946 * Built by Henry Robb, Ltd.,

Leith Leith (; ) is a port area in the north of Edinburgh, Scotland, founded at the mouth of the Water of Leith and is home to the Port of Leith. The earliest surviving historical references are in the royal charter authorising the construction of ...

, UK ** – Launched 1939, sold 1946 ** – Launched 1940, war loss 1940 * Built by Smith's Dock Company, Ltd., South Bank-on-Tees, UK ** – Launched 1939, sold 1946 ** ''Walnut'' – Launched 1939, sold 1948 as Baltic refugee ship ** – Launched 1939, sold 1946 ** – Launched 1939, sold 1946

Ships in class

References

See also