Dutch tug Het IJ launched at Rotterdam, Netherlands in 1912 according to the Dutch magazine Scheepvaart dated 2 January 1913

A list of the ships launched in 1912 reported the tug Het IJ by Machinefabriek Delfshaven, H. de Ridder, Rotterdam, Netherlands of 18 gross register tons for account of J.H. Bergmann, Amsterdam, Netherlands.