HMS Felicity (J369) was a reciprocating engine-powered during the Second World War.
The reciprocating group displaced at standard load and at deep load The ships measured long overall with a beam of . They had a draught of . The ships' complement consisted of 85 officers and ratings.
The reciprocating ships had two vertical triple-expansion steam engines, each driving one shaft, using steam provided by two Admiralty three-drum boilers. The engines produced a total of and gave a maximum speed of . They carried a maximum of of fuel oil that gave them a range of at .
The Algerine class was armed with a QF Mk V anti-aircraft gun and four twin-gun mounts for Oerlikon 20 mm cannon. The latter guns were in short supply when the first ships were being completed and they often got a proportion of single mounts. By 1944, single-barrel Bofors 40 mm mounts began replacing the twin 20 mm mounts on a one for one basis. All of the ships were fitted for four throwers and two rails for depth charges.
The ship was ordered on 25 November 1942 at the Redfern Construction at Toronto, Canada. She was laid down on 22 September 1943 and launched on 19 January 1944. The ship was commissioned on 10 August 1944. The ship was originally named HMCS Copper Cliff.
In 1947, she was decommissioned and sold to merchant service with the name Fairfree. In 1957, the ship was finally sold for scrap.