MV Cowal in 1954. She inaugurated the regular Wemyss Bay to Rothesay car ferry service, on 1 October 1954 and remained in the upper Clyde for her whole career. From 1957 the three "A, B, C" sisters were working interchangeably. In May 1970, "Cowal" inaugurated a short-lived seasonal Fairlie-Tarbert-Brodick service. When this ended in September 1971, "Cowal" operated between Largs and Millport, until displaced in March 1972 by the former Skye ferry on the quicker Largs to Cumbrae Slip run. With linkspans at Gourock and Dunoon, the hoist-loading "Bute" and "Cowal" were restricted to the Wemyss Bay to Rothesay crossing, where "Cowal"
Blythe Duff at Edinburgh Castle on 6 March 2003. In November 2005 she helped launch ScotsCare, a charity aimed at helping Scottish people living in London who have money or health problems. She was asked to be an Ambassador of The Prince's Trust, having benefited from the charity in the '80s. In May 2007, she presented an evening in Holyrood Palace in the presence of HRH Prince Charles, The Duke of Rothesay, to help celebrate the 30th anniversary of the trust. Blythe was Chieftain of Bute Highland Games in 2009 and Chieftain of the Cowal Games in 2011. She was given an