Selected references

Atle/Urho-class

1974
Baltic icebreaker
Main dimensions:
  • Length: 104.6 m
  • Breadth: 23.8 m
  • Draught: 8.3 m
  • Propulsion power: 22,000 shp

Five vessels built by Wärtsilä Helsinki Shipyard (Finland):

  • Atle (1974)
  • Urho (1975)
  • Frej (1975)
  • Sisu (1976)
  • Ymer (1977)