HMS Unity (N66)

HMS Unity
History
United Kingdom
Name	HMS Unity
Builder	Vickers Armstrong, Barrow-in-Furness
Laid down	19 February 1937
Launched	16 February 1938
Commissioned	5 October 1938
Fate	Sunk 29 April 1940 in accidental collision
Badge
General characteristics
Class and type	U-class submarine
Displacement	Surfaced – 540 tons standard, 630 tons full load Submerged – 730 tons
Length	58.22 m (191 ft 0 in)
Beam	4.90 m (16 ft 1 in)
Draught	4.62 m (15 ft 2 in)
Propulsion	2 shaft diesel-electric 2 Paxman Ricardo diesel generators + electric motors 615 hp (459 kW) / 825 hp (615 kW)
Speed	11.25 kn (20.84 km/h; 12.95 mph) max surfaced 10 kn (19 km/h; 12 mph) max submerged
Complement	27
Armament	4 bow internal 21 inch (533 mm) torpedo tubes, 2 external 10 torpedoes 3 anti-aircraft machine guns

HMS Unity was a U-class submarine, of the first group of that class constructed for the Royal Navy. The submarine entered service in 1938 and performed war patrols during the Second World War. On 29 April 1940, Unity was accidentally rammed and sunk in Blyth, Northumberland's harbour.