[3][4][5] The "corvette" designation was created by the French as a class of small warships; the Royal Navy borrowed the term for a period but discontinued its use in 1877.

In June 1941 the ship was tasked with escorting SS Lady Rodney from Quebec City to Halifax, but was forced to return to her builders following an engine breakdown.

[12] In September 1941, she managed to escort the SS Lady Rodney from Halifax to Jamaica despite again experiencing engine failure.

[12][13] On 17 October 1941 HMCS Baddeck rescued two survivors of the Norwegian merchant ship Barfonn after she had been sunk by the German submarine U-432.

In November 1942 the ship arrived in Derry, Northern Ireland and escorted Mediterranean-bound convoys from the United Kingdom for four months.

[11] In March 1944 Baddeck was part of the Royal Navy escort group EG-9 based out of Derry, Northern Ireland.

In April 1944 the ship was based in Portsmouth as part of Western Approaches Command tasked with invasion escort duties.

[11] Paid off on 4 July 1945 at Sorel, Quebec, Baddeck was sold into civilian service, becoming the mercantile Efthania in 1947 with a gross register tonnage of 771 tons.

[1] She ran aground and was wrecked in the Red Sea 4 nmi (7.4 km; 4.6 mi) north of Jeddah, Saudi Arabia, on 11 March 1966.