Soviet tugs Admiral Makarov and Admiral Nevelbski bound for the Black Sea according to a CIA report dated 14 June 1954

An item reported that on 20 May 1953 two Soviet diesel tugs built at Komarno, Czechoslovakia were anchored at Izlas, Romania and bound for the Black Sea. The Admiral Makarov and Admiral Nevelbski had as length of 40 metres. 

Source
The report was published on www.archive.org, document number CIA-RDP80-00810A004201270005-0