M/S Purha, a former DPC Small Tug (ST-476, built by American Machinery in 1943), nowadays a leisure craft with Helsinki as its home port. This was a Design 257-A type tug 74-foot tug, but the superstructure and the bow part have been significantly modified while the boat was used by the Finnish defence forces, first as minesweeper from the fall of 1946, thereafter as a transport up to 1981 when it was sold to a private citizen. It still has it's original 400 hp Oakland diesel, though.