”Isbjörn” (ex. ”Jäverön”, ex. ”Avantus”, ex. ”Sjoakraft”)
Type of vessel: Ice-breaking tug.
Built: 1958, Lödöse Shipyard, Sweden. Yard no: 128.
Material: Steel
Length: 26.01 meters
Beam: 7.8 meters
Draft: 3.64 meters
Tonnage: 152 GRT, 45 NRT
Main engine: Nohab Polar MN16, 1260 bHp/335 rpm, KaMeWa adjustable pitch propeller.
Aux. engine: 2 x Scania D445 with Esab 46 kW generators + Markon 5.0 kVA 200 generators.
Bollard pull: 15 tons
Bunkers: Diesel – 38000 litres. Abt. 150 litres/hour during heavy towing.
Fresh water – 29000 litres
Ballast – 34 tons. (can be used as cooling water tank when ice-breaking)
Equipment: Furuno FR-1510 DA radar, Raytheon 3604 radar, Robertsson AP 45 autopilot, Furuno GP 32 GPS navigator, chart plotter, 2 x Sailor RT 2048 VHF’s, Sailor RM 2042 DSC VHF, Skanti TRP 7000 SSB radio, JRC NCR 300 A Navtex, Laval lube oil separator, Viking 6-man life-raft, 200 kN towing hook, large capstan on aft deck.
General arrangement: Three single cabins, one three-man cabin, large saloon, toilet and bathroom with shower & toilet, galley.
Position: Sweden

All details given in good faith but not guaranteed.