Heinrich Arp was a 1,428 GRT cargo ship that was built in 1923 by shipyard F Schichau, Elbling, Weimar Republic for German owners «Heinrich F C Arp» (S. Öllgaard & Thoersen), Hamburg. In May 1945, she was seized by the Allies at Hamburg, passed to the Ministry of War Transport (MoWT) and renamed Empire Connemara. In May 1946, she was transferred to the Soviet Union and renamed Liza Chaikina (Russian: Лиза Чайкина).