”Tyr” (ex. ”Tyri”)
Type of vessel: Ice-breaking tug.
Built: 1959, Åsiverken, Åmål, Sweden. Hull no: 50.
Material: Steel.
Length: 25.31 meters (Lbp: 23.47 m).
Beam: 7.68 meters.
Draft: 3.50 meters (moulded draft: 4.20 m).
Tonnage: 135 GT, 41 NT.
Main engine: MaK 6 MU451 Ak, 1100 bHp at 375 rpm. Engine year 1965 but installed 1984 with only about 3500 running hours total. Fixed Ø 1750 mm propeller.
Aux. engine: 1 x Lister HR 401 with RTD Swan 6431/1, 38 kVA generator, <3.000 running hours. 1 x Scania DS 10 R60 114 kW with Asea OAYC28, 130 kVA generator, <500 running hours. 1 x Volvo 6-cyl drives hydraulic pumps.
Bollard pull: 13.5 tons, measured 2009.
Bow thruster: 55 kW Strömberg HXUR electric bow thruster, 0-750 kg bollard pull. New 2009.
Bunkers: Diesel – 38 m3.
Fresh water – 38 m3.
Septic – New stainless steel tank, not fully installed.
Ballast – 23 m3.
Classification: Finnish flag, Finnish class certificate for Area III. Int. load line certificate issued 2005, Int. tonnage certificate (1969) issued 1994. Hull thickness, shaft, rudder and anchor chain all surveyed July 2004. Stability booklet approved 1997.

Equipment: Furuno FR 810 DA radar, Furuno Navpilot FAP 5001 autopilot, Furuno SC-502 satellite compass, Furuno GP-31 GPS navigator, Sailor RT 2048 VHF + Sailor RT 144C VHF + Furuno FM 8500 VHF, Radio Ocean Pocket 3000 portable VHF, Icom IC-G M1500 E portable GMDSS VHF, Robertson rudder indicator, ESCO fire alarm system, 2 x Atlas Copco Airlet 530 starter air compressors. Viking 6DK Solas A-pack 6 person life raft, Hatlapa electric anchor winch with 2 x 125 meters chain and twin 250 kg anchors. Lidan 4 FB L8, 15 tons towing winch 500 meters of 28 mm wire, Mampaey towing hook. 3.000 litres/minute emergency pump with 4” connection. HAB 1720 marine hydraulic crane, 9 ton/m with 50 meters of 100 mm wire on winch. Faster 460 mob-boat with 40 hkr Evinrude (new 2009).

General arrangement: Wheelhouse with sofa and navigation desk. Main deck holds a large saloon with TV and eight table seats, galley with fridge/freezer, electric stove with oven, microwave, WC and of course the large sauna with shower. Below deck in fore is a large forepeak with chain locker and rope stores, accomodations with twin single and two double cabins, engine room, aft rope stores and steering gear room.
Position: Finland.