”Kalkke”
Type of vessel: Icebreaking tug.
Built: 1965, Hollming Oy, Raumo, Finland.
Material: Steel, very strong construction.
Call sign: OGRB.
IMO: 6524682.
Length: 29.98 meters (Lpp: 28.60 meters).
Beam: 8.75 meters.
Draft: 3.85 – 4.15 meters.
Tonnage: 259 GT / 78 NT.
Main engine: Nohab MN 16, 1260 bHp, 927 kW/300 rpm. About 17,400 running hours. KaMeWa 72, three-bladed, icegoing, variable pitch 2250 mm diameter propeller.
Bollard pull: 15 tons.
Aux. engine: 2 x 125 bHp MWW RHS 5185, 12491/12446 total running hours.
Bow thruster: 340 bHp Ulstein 45 TV.
Fuel consumption: 11-12 knots on about 130 litres/hour.
Bunkers: Diesel - 54,6 m3
Vatten - 12 m3
Ballast - 82,4 m3
Septik - 7,4 m3
Nav. equipment: Furuno 1505 DA radar, Robertson AP 9 MK2 autopilot, Philips dGPS navigator, Robertson RGC 50 gyro compass, GMDSS Coastal Radio Station. PC with 17” display and electronic chart system.
Deck equipment: Brattvaag 10 ton towing winch with 250 meters of 38 mm galvanized wire, Holming 20 ton towing hook, hydraulic crane on boat deck, hydraulic anchor winch with twin 750 kilo anchors, two electric 4” bilge pumps for salvage work operations, 2000 litres/minute. 1 x 10 person Viking life raft.
General arrangement: Main deck holds captains cabin with dayroom and office, saloon, galley, messroom, ch. eng. cabin, two WC’s and workshop. Below deck are four single cabins, two double cabins and provision stores.
Classification: Built to DnV 1A1 ”N” Slepebåt ISA. Finnish flag. Finnish ice-class 1A. Certificates for Finnish area III trade expire 30.6.2012. National Load Line Certificate. Safety Management Certificate, valid until 25.9.2012, Trim and stability approved 11.10.2007. 3 man crew in harbour traffic. Latest hull survey showed thicknesses between 14,5 - 18,3 mm with very little diminuition from original thicknesses.
Position: Raumo, Finland.