Rhineland was a 1,312 GRT cargo steamship that Howaldtswerke of Kiel, Germany built in 1938 for Argo Line, Bremen.

She served post-war with the German Mine Sweeping Administration before being declared a prize and passed to British owners.

Schwan was one of a series of sister ships that Argo Line had built in the late 1930s.

[4] Howaldtswerke of Kiel, Germany, built Schwan[8] for Argo Line, Bremen.

[8] The ship swept for British magnetic mines through the Great Belt ahead of the German battleship Bismarck and her escorts at the beginning of her sortie into the Atlantic in May 1941 (Operation Rheinübung).

[9] In 1956, Rhineland was sold to Smiths Coasters Pty Ltd, Durban, South Africa and was renamed Herrisbrook.