HMS Polyanthus (K47)

History
United Kingdom
Builder	Henry Robb Ltd.
Laid down	19 March 1940
Launched	30 November 1940
Completed	23 April 1941
Out of service	21 September 1943
Fate	Sunk 21 September 1943
General characteristics
Class & type	Flower-class corvette
Displacement	925 long tons (940 t; 1,036 short tons)
Length	205 ft (62.48 m)o/a
Beam	33 ft (10.06 m)
Draught	11.5 ft (3.51 m)
Propulsion	single shaft; 2 × water tube boilers; 1 × 4-cycle triple-expansion reciprocating steam engine; 2,750 ihp (2,050 kW);
Speed	16 knots (29.6 km/h)
Range	3,500 nautical miles (6,482 km) at 12 knots (22.2 km/h)
Complement	85
Armament	1 × 4 inch BL Mk.IX single gun; 2 × Vickers .50 machine guns (twin); 2 × .303 inch Lewis machine gun (twin); 2 × Mk.II depth charge throwers; 2 × Depth charge rails with 40 depth charges;

HMS Polyanthus was a Flower-class corvette of the Royal Navy. She was launched on 30 November 1940 from Leith Docks on the Firth of Forth, at an estimated cost of £55,000. Polyanthus was sunk by the German submarine U-952 using new German weapons technology on 20 September 1943 about 1,000 miles southwest of Reykjavík during convoy escort duty in the Battle of the North Atlantic.