Sadko (icebreaker)
 Sadko was a Russian and Soviet icebreaker ship of 3800 tonnes displacement. She was named after Sadko a hero of a Russian bylina.She was built in Newcastle upon Tyne (England) in 1912. The length of the ship was 78 metres (256 ft) and its width was 11.4 metres (37 ft). The vessel was originally constructed for the Reid Newfoundland Company for the ferry service in Newfoundland and was part of the Alphabet Fleet and christened Lintrose. She was sold to the Russian Government in 1915.