- References
{{Infobox ship image| Ship image=Sankt Erik.jpg | Ship caption=SS Sankt Erik moored outside of the Vasa Museum in 2005. Note the shape of the bow which is designed to ride up over the ice.
}}{{Infobox ship career | Hide header= | Sweden|government}} | Ship name=*Isbrytaren II (1915–1959)- Sankt Erik (1959–present)
| Ship owner=Stockholms Hamnstyrelse | Ship operator= | Ship registry=Sweden | Ship route= | Ship ordered= | Ship builder=Finnboda Shipyard, Stockholm, Sweden | Ship original cost= | Ship yard number=361 | Ship way number= | Ship laid down= | Ship launched= | Ship completed=March 1915 | Ship christened= | Ship acquired= | Ship renamed= | Ship refit=1958 | Ship maiden voyage= | Ship in service= | Ship out of service=1977 | 5311442}}- {{MMSI Number|265586080}}
- Callsign: SHRA
| Ship status=Museum ship in Stockholm since 1980 | Ship notes=
}}{{Infobox ship characteristics | Hide header= | Header caption= | Ship type=Icebreaker | 432}} | Ship displacement= | 61|m|ft|0|abbr=on}} | 17|m|ft|0|abbr=on}} | Ship height= | Ship draught= | 6.5|m|ft|0|abbr=on}} | Ship depth= | Ship decks= | Ship deck clearance= | Ship ramps= | Ship ice class=
}} | | Boilers: | Four boilers; initially coal-fired, later converted to oil | | Engines: | Two triple-expansion steam engines;
1,200 ihp (bow) and 2,800 ihp (stern){{Infobox ship characteristics | Hide header = yes | Ship propulsion=Bow and stern propellers | 11|kn}} | Ship capacity= | Ship crew=30 | Ship notes=
}} | SS Sankt Erik is an icebreaker and museum ship attached to the Vasa Museum in Stockholm, Sweden. She was launched in 1915 as Isbrytaren II ("Ice breaker II") and was a conventionally-built Baltic icebreaker with a strengthened bow shaped to be lifted up onto the ice to crush it and a forward-facing screw to push water and crushed ice along the side of the hull. She also has heeling tanks which can be filled and emptied with seawater in turn to rock the ship to widen the channel. Her reciprocating steam engines are the most powerful functioning ones in Sweden. She was the country's first large icebreaker, and was owned and used by the City of Stockholm to keep the channels around it clear of ice. She was also sometimes used outside the Stockholm area by the Swedish government since it had contributed towards her cost. She was renamed in 1958 during an extensive refit, which saw her converted from coal to oil, the bridge was enclosed to protect the deck crew from the weather, and radar and radio fitted. References- [https://web.archive.org/web/20050907173942/http://www.vasamuseet.se/Vasamuseet/Om/Museifartygen/Sankt%20Erik.aspx?lang=en Vasa museum]
- Paper on the restoration of the ship presented at the Third International Conference on the Technical Aspects of the Preservation of Historic Vessels in 1997
- Miramar Ship Index - Isbrytaren II
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