The tender that Försvarets Materielverk, the organisation that acquires all necessary equipment for the Swedish Armed Forces, wrote for ice class tenders was won by Damen. The Defence Materiel Administration of Sweden has ordered four ice-class tugs from Damen Shipyards with options four two extra that will be equipped with numerous options. A heavy duty crane, bow thrusters, an extra strong aft winch and more will be installed on the vessels of the Damen Stan Tug 1606 design, which is extended to 17 meters length over all to fit all the options & engines comply to IMO Tier III emission regulations.Along with the options mentioned, heating and airconditioning, a galley with settee and toilet will complete crew safety and comfort aboard. The twin screw tug will be powered by two Volvo D13 MH engines. Exhaust silencing, selective catalyc reductionto remove nitrogen dioxide from exhaust gasses and soot filters will ensure IMO Tier III compliance. An auxiliary generator delivers extra electric power needed for crane handling. Bilge cooling ducts transfer engine heat into the waters from a closed loop system, without take-in of surface water in which ice particles could block the engine cooling system. The push knee on the tugs’ bows will be adapted to navigating in ice. The four vessels will be built at the Albwardy Damen yard in Dubai. This yard recently completed construction of six Stan Tug 1606 vessels. The four Stan Tugs will be delivered in Sweden by the end of 2023.