Construction and early career

Mutine was built by Harland and Wolff, in Belfast, Northern Ireland and launched on 10 October 1942. After completing her working up trials she was assigned to the 12th Minesweeping Flotilla and was deployed in Home waters. She only spent a couple of months here before travelling to the Mediterranean in May 1943 to join the minesweeping flotilla at Bizerta.

The Mediterranean

Here she cleared passages through the Galita and Sicilian channels to allow the passage of convoys to and from the eastern Mediterranean. Mutine was also nominated to carry out minesweeping and escort duties for the Allied landings in Sicily. For these operations she was detached from the flotilla and carried out these duties in mid July in company with her sisters Fly, Espiegle and Cadmus. She returned to her normal duties in August.

In September Mutine supported the Allied landings at Salerno. She was slightly damaged by a near miss from shore fire on 8 September whilst sweeping for mines off the beachhead. On 16 September she carried out sweeping operations in the Bay of Naples with her flotilla. Together they managed to clear 135 mines in the Salerno area. At the end of September she sailed for Capri. On 1 October Mutine was deployed in support of operations off the west coast of Sicily. These duties included mine clearance of positions to be used by Allied warships for bombardments prior to military advances. During these activities, the minesweepers often came under fire from shore batteries and air attacks. She carried out these duties into December, when she was moved to the Anzio area to support Operation Shingle, the planned allied landings. She carried out sweeping duties in January, in company with Rinaldo and Waterwitch of the 19th Flotilla and Bude and Rothesay of the 13th Flotilla. Mutine carried out these duties until March, followed by sweeping duties off Malta.

June was spent clearing the entrance to the port of Civitavecchia and elsewhere off the Italian coast to clear passages for ships supporting the military advance. In July she cleared a passage into Livorno. Altogether 250 mines were cleared from the various minesweepers engaged in these operations, often while under fire from the shore. The later part of the year saw Mutine carrying out sweeping duties off Greece and the Eastern Mediterranean. In October the ships of Mutine’s flotilla were congratulated by the Supreme Commander, Mediterranean, for having swept 1013 mines. Further work in the Aegean Sea followed, where Mutine suffered slight damage while sweeping one of the new German 'Oboe' mines. On 17 December Mutine, Fly and Albacore swept a passage through the Dardanelles to ensure safe passage for the warships taking Winston Churchill and Franklin D. Roosevelt to the Yalta Conference to meet Joseph Stalin. Mutine spent Christmas 1944 in Mudros.

In January 1945 Mutine returned to Malta with Fly and then moved on to resume mine clearance off the Greek mainland with the rest of her Flotilla. She carried out these duties until March, moving to the Italian coast in April to continue sweeping duties. In May she swept the port of Genoa and on 9 May Mutine became the first major warship to enter Genoa. She spent the rest of the war in the Gulf of Genoa carrying out sweeping operations.

Post war

Mutine remained in the Mediterranean sweeping mines until 1946, when she returned to the UK with the rest of her flotilla. She was paid off at Sheerness and reduced to the reserve, being laid up at Harwich. She was recommissioned in April 1956 to replace Lysander for minesweeping training at Portsmouth. After this requirement ended, Mutine was used as a ship target for aircraft training and returned to the reserve at Chatham. She was refitted for use as an anti-submarine escort in 1958-9 but was never recommissioned, and was put up for disposal in 1966. She was sold for scrapping on 13 December 1966, and was towed to Barrow-in-Furness, arriving on 7 April 1967 to be broken up.