HMS Louis (K515)

History
United States
Name	unnamed (DE-517)
Builder	Boston Navy Yard, Boston, Massachusetts
Laid down	9 July 1943
Launched	13 August 1943
Completed	9 November 1943
Commissioned	never
Fate	Transferred to United Kingdom 9 November 1943
Acquired	Returned by United Kingdom 20 March 1946
Fate	Sold 17 June 1946
United Kingdom
Name	HMS Louis (K515)
Namesake	Rear Admiral Sir Thomas Louis (1758-1807), British naval officer who was commanding officer of HMS Minotaur at the Battle of the Nile in 1798
Acquired	9 November 1943
Commissioned	9 November 1943
Fate	Returned to United States 20 March 1946
General characteristics
Displacement	1,140 long tons (1,158 t)
Length	289.5 ft (88.2 m)
Beam	35 ft (11 m)
Draught	9 ft (2.7 m)
Propulsion	Four General Motors 278A 16-cylinder engines; GE 7,040 bhp (5,250 kW) generators (4,800 kW); GE electric motors for 6,000 shp (4,500 kW); Two shafts;
Speed	20 knots (37 km/h)
Range	5,000 nautical miles (9,260 km) at 15 knots (28 km/h)
Complement	156
Sensors and ; processing systems	SA & SL type radars; Type 144 series Asdic; MF Direction Finding antenna; HF Direction Finding Type FH 4 antenna;
Armament	3 × 3 in (76 mm) /50 Mk.22 guns; 1 × twin Bofors 40 mm mount Mk.I; 7–16 × 20 mm Oerlikon guns; Mark 10 Hedgehog antisubmarine mortar; Depth charges; QF 2-pounder naval gun;
Notes	Pennant number K515

The second HMS Louis (K515) was a British Captain-class frigate of the Royal Navy in commission during World War II. Originally constructed as the United States Navy Evarts-class destroyer escort DE-517, she served in the Royal Navy from 1943 to 1946.

Construction and transfer

The ship was laid down by the Boston Navy Yard in Boston, Massachusetts, on 9 July 1943 as the unnamed U.S. Navy destroyer escort DE-517 and launched on 13 August 1943. The United States transferred the ship to the United Kingdom under Lend-Lease on 9 November 1943.