HMS Wivern (D66)

	HMS Wivern in Londonderry Port in 1920
History
United Kingdom
Name	HMS Wivern
Namesake	Variant spelling of wyvern
Ordered	April 1918
Builder	J. Samuel White, Cowes, Isle of Wight
Laid down	19 August 1918
Launched	16 April 1919
Completed	23 December 1919
Commissioned	23 December 1919
Decommissioned	1920s or 1930s
Recommissioned	1939
Decommissioned	April 1943
Recommissioned	September 1944
Decommissioned	summer 1945
Motto	Beware
Nickname(s)	"Tiddly Wiv"
Honours &; awards	Battle honours for:; Atlantic 1939-1943; North Africa 1942-1943; North Sea 1944-1945;
Fate	Sold for scrapping 18 February 1947
Badge	A gold wyvern on a green field
General characteristics
Class & type	Admiralty Modified W-class destroyer
Displacement	1,140 tons standard, 1,550 tons full
Length	300 feet (91 m) o/a, 312 feet (95 m) p/p
Beam	29.5 feet (9.0 m)
Draught	9 feet (2.7 m), 11.25 feet (3.43 m) under full load
Propulsion	Yarrow type Water-tube boilers, Brown-Curtis geared steam turbines, 2 shafts, 27,000 shp
Speed	34 knots (63 km/h)
Range	320–370 tons oil; 3,500 nautical miles (6,500 km) at 15 knots (28 km/h); 900 nautical miles (1,700 km) at 32 knots (59 km/h);
Complement	127
Sensors &; processing systems	Type 286M Air Warning Radar fitted 1940; Type 271 Surface Warning Radar fitted 1940;
Armament	As built 1920:; 4 × BL 4.7 in (120-mm) Mk.I guns, mount P Mk.I; 2 × QF 2 pdr Mk.II "pom-pom" (40 mm L/39); 6 × 21-inch Torpedo Tubes; 1940 SRE conversion:; 3 × BL 4.7 in (120mm) Mk.I L/45 guns; 1 × 3 in (76 mm) AA gun; 2 × QF 2 pdr Mk.II "pom-pom" (40 mm L/39); 3 × 21-inch torpedo tubes (one triple mount); 2 × depth charge racks; twin QF 6 pounder 10 cwt gun (1942 – replaced ‘A’ gun);

The second HMS Wivern (D66, later I66), was a Modified W-class destroyer of the British Royal Navy that saw service in World War II.

History
HMS Wivern in Londonderry Port in 1920
United Kingdom
Name	HMS Wivern
Namesake	Variant spelling of wyvern
Ordered	April 1918
Builder	J. Samuel White, Cowes, Isle of Wight
Laid down	19 August 1918
Launched	16 April 1919
Completed	23 December 1919
Commissioned	23 December 1919
Decommissioned	1920s or 1930s
Recommissioned	1939
Decommissioned	April 1943
Recommissioned	September 1944
Decommissioned	summer 1945
Motto	Beware
Nickname(s)	"Tiddly Wiv"
Honours & awards	Battle honours for: Atlantic 1939-1943 North Africa 1942-1943 North Sea 1944-1945
Fate	Sold for scrapping 18 February 1947
Badge	A gold wyvern on a green field
General characteristics
Class & type	Admiralty Modified W-class destroyer
Displacement	1,140 tons standard, 1,550 tons full
Length	300 feet (91 m) o/a, 312 feet (95 m) p/p
Beam	29.5 feet (9.0 m)
Draught	9 feet (2.7 m), 11.25 feet (3.43 m) under full load
Propulsion	Yarrow type Water-tube boilers, Brown-Curtis geared steam turbines, 2 shafts, 27,000 shp
Speed	34 knots (63 km/h)
Range	320–370 tons oil 3,500 nautical miles (6,500 km) at 15 knots (28 km/h) 900 nautical miles (1,700 km) at 32 knots (59 km/h)
Complement	127
Sensors & processing systems	Type 286M Air Warning Radar fitted 1940 Type 271 Surface Warning Radar fitted 1940
Armament	As built 1920: 4 × BL 4.7 in (120-mm) Mk.I guns, mount P Mk.I 2 × QF 2 pdr Mk.II "pom-pom" (40 mm L/39) 6 × 21-inch Torpedo Tubes 1940 SRE conversion: 3 × BL 4.7 in (120mm) Mk.I L/45 guns 1 × 3 in (76 mm) AA gun 2 × QF 2 pdr Mk.II "pom-pom" (40 mm L/39) 3 × 21-inch torpedo tubes (one triple mount) 2 × depth charge racks twin QF 6 pounder 10 cwt gun (1942 – replaced ‘A’ gun)