[1] After sea trials Loch Killisport was commissioned in July 1945, sailing for the Far East to serve with the Eastern Fleet in August.

[1] In July 1950 Loch Killisport was towed to HM Dockyard, Sheerness to refit, and was assigned to the 6th Frigate Flotilla, Home Fleet, in November.

Loch Killisport remained in Reserve at Chatham until April 1953 when she was towed to Blackwall Yard, London for modernisation of her armament and electronics by Green and Silley Weir, which was not completed until June 1954.

[2] In August she sailed to Trincomalee to take part in CENTO "Exercise Jet 55" in the Indian Ocean, then visited Mauritius, the Seychelles, and Mombasa, before returning to the Persian Gulf.

In September she sailed to Sydney to take part in "Exercise Tucker Box" with ships of the Royal Australian Navy, before visiting ports in New Zealand, and then calling at Suva in Fiji and the Gilbert and Ellice Islands.

January 1963 saw her back at Sandakan, Borneo, for patrol and support duties, before returning to Singapore for a lengthy refit and to be joined by a new ship's company.

Further support and patrol duties off Borneo followed from July 1963 through into most of the next year, with regular visits to Hong Kong and Singapore to refit and take part in Fleet exercises.

She also held a two-day exercise with the Royal Thai Navy in April 1965, and visited Manila with HMS Whitby in June.

She was put on the Disposal List, and sold to the British Iron & Steel Corporation (BISCO) on 20 February 1970, for demolition by Hughes Bolckow.