Correct spelling is "SCOT II". Built by Henry Robb's Leith shipyard in 1931, and used as an ice-breaking tug on the Caledonian Canal, operating from Fort Augustus. It seems to be the subject of a restoration project according to a report from March 2015 in The Press and Journal.
Ref:.pressandjournal.co.uk/fp/news/highlands/512385/new-charity-making-waves-with-scott-ii-project/