Dutch tug Castor built at Slikkerveer, Netherlands in 1913 according to the Dutch magazine Scheepvaart dated 31 December 1913

A list of the ships launched in 1913 reported the Dutch tug Castor by Firma P. Boele Pz., Slikkerveer, Netherlands for account of N.V. Alblasserdamsche Machinefabriek, Alblasserdam, Netherlands.