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| History | |
|---|---|
 United Kingdom | |
| Name | HMS Tetrarch |
| Ordered | March 1916 |
| Builder | Harland & Wolff, Govan |
| Laid down | 26 July 1916 |
| Launched | 20 April 1917 |
| Completed | 2 June 1917 |
| Out of service | 28 July 1934 |
| Fate | Sold to be broken up |
| General characteristics | |
| Class and type | R-class destroyer |
| Displacement | |
| Length | 265 ft (81 m) (p.p.) |
| Beam | 26 ft 9 in (8 m) |
| Draught | 9 ft (3 m) |
| Installed power | 3 Yarrow boilers, 27,000 shp (20,000 kW) |
| Propulsion | 2 geared Brown-Curtis steam turbines, 2 shafts |
| Speed | 36 knots (67 km/h; 41 mph) |
| Range | 3,450 nmi (6,390 km; 3,970 mi) at 15 knots (28 km/h; 17 mph) |
| Complement | 82 |
| Armament |
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HMS Tetrarch was an R-class destroyer that served in the Royal Navy during the First World War. The R class were an improvement on the previous M class with geared steam turbines to improve efficiency. Launched in 1917, Tetrarch served with the Tenth Destroyer Flotilla of the Harwich Force. The destroyer took part in the First Ostend Raid in 1918 alongside the monitors Erebus and Terror. Later that year, the vessel escorted five destroyers each towing an aircraft on a lighter to attack German shipping off Heligoland. After the Armistice, the ship was initially placed in reserve at Devonport but soon joined the Atlantic Fleet, with a particular role as an escort to the aircraft carriers Courageous and Furious. As well as exercises with the fleet in the Mediterranean Sea and off the coast of Scotland, the ship undertook visits to seaside resorts in England and Wales. Following a decision to replace older destroyers in the Royal Navy, Tetrarch was retired in 1934 and sold to be broken up.