SS Cushag was sold once more, this time to a London broker, from whom she was purchased by the Isle of Man Steam Packet Company in May 1920, at a cost of £22,000 (equivalent to £). Small and drawing so little water, she was mostly used for cargo trade in the Island's smaller ports - Port St Mary, Peel, Laxey and Castletown. After over 20 years service with the Company, she was sold to London agents in January 1943, and then went on to Stornoway on the Isle of Lewis for four years. She transferred to Kirkwall in Orkney in 1947. "Cushag"
Port Erin carriages. Prior to this the rolling stock was stored in the open. Bus services operate directly through a depot in Bridson Street in the village to the island's capital Douglas via Port St Mary, Colby, Castletown and Ballasalla using route numbers 1, 2, 11 and 12; these run about every twenty minutes at weekdays and Saturdays, with a less frequent service at weekends and after 6.00pm. Some of these services (1c and 11b) use an alternative coastal route. The route is the island's busiest, partly because it calls at the island's airport. A late evening service also operates on Friday