Финляндияның мақсатты мұзжарғыш кемесі "Фенника"

Finnish multipurpose icebreaker

MSV Fennica is a Finnish multipurpose icebreaker and offshore support vessel. Built in 1993 by Finnyards in Rauma, Finland and operated by Arctia Offshore, she was the first Finnish icebreaker designed to be used as an escort icebreaker in the Baltic Sea during the winter months and in offshore construction projects during the open water season. Fennica has an identical sister ship, Nordica, built in 1994.

The maximum overall length of Fennica is and her length between perpendiculars is The hull has a moulded breadth of and depth of Her draught varies between as a Baltic icebreaker and in Arctic conditions and offshore work. The gross tonnage of Fennica is 9,392, net tonnage 2,818 and deadweight tonnage ranging between 1,650 and 4,800 tons depending on the draft. To improve the maneuverability of the ship in ice her hull is wider at the bow than in the stern. These "reamers" increase the width of the ice channel and reduce friction between the hull and ice. The reamers are designed so that they create minimum additional resistance in the astern mode by breaking ice downwards. In addition the forward part of the hull has explosion welded stainless steel ice belt that reduces friction and protects the steel plates from abrasion. The aforementioned design with the maximum breadth in the foreship and a narrower hull aftship, provides the multipurpose vessel also good seakeeping characteristics. In the design phase of the vessel, the seakeeping characteristics of the multipurpose icebreaker were defined to be at least as good as those of existing offshore vessels in the North Sea. The offshore operator set a requirement of acceptable acceleration figures at various locations of the vessel at zero speed. The vessel had to be able to operate at least 80 % of the time in the North Sea in the summer and autumn season plus have a roll period longer than 10 seconds. The solution with narrow breadth in the aftship results in a sufficiently long roll period. At the midship and aft ship area there are also exceptionally wide bilge shelves as an integral part of the hull, to further dampen the rolling. For offshore construction projects Fennica is equipped with a Hydralift crane capable of lifting 30 tons at a radius of or 15 tons at She also has a smaller MacGregor crane capable of lifting 5 tons at or 1.5 tons at The vessel can also be equipped with a 120 ton A frame for trenching machines and ploughs. Fennica has a helipad and can accommodate 48 workers in addition to the ship's crew. Before her helipad was rebuilt in 2012, she also had a small hangar capable of accommodating one helicopter for ice reconnaissance. Since Fennica acts as an escort icebreaker during the winter season, she is also equipped with a Aquamaster Rauma anchor handling and towing winch, and stern notch for assisting merchant ships.

Fennica has a diesel electric propulsion system with four main generators. She has two twelve cylinder Wärtsilä Vasa 12V32D and two sixteen cylinder 16V32D four stroke medium speed diesel engines driving Strömberg alternators, the former producing and the latter each. The main engines are also equipped with exhaust gas economizers. While designed according to the power plant principle in which the main generators produce power for all shipboard consumers either directly or through a motor generator, Fennica has one auxiliary diesel generator that can be used to produce electricity when the ship is at port. The four cylinder Wärtsilä Vasa 4R22 4 stroke medium speed diesel engine has an output of at 1,000 rpm. In addition she has a twelve cylinder Caterpillar 3412 DISA emergency diesel generator with an output of at 1,500 rpm. In late 2011 the fuel system was converted for the use of ultra low sulfur diesel. thrusters, driven by ABB Strömberg AC/AC propulsion motors rated at 7,500 kW, considerably improve the maneuverability of the icebreaker. This is especially useful during escort and assistance operations in difficult ice conditions when the icebreaker has to operate at close proximity to other vessels at low speeds. When delivered, she was the first large icebreaker to be equipped with such propulsion system and her maneuverability was often described to be superior to older icebreakers with traditional shaftlines and rudders. Together with three 1,150 kW Brunvoll FU 80 LTC 2250 variable pitch bow thrusters the azimuth thrusters also allow dynamic positioning during offshore operations. However, the concept did not become reality until the early 1990s, when the Norwegian company Ugland Offshore AS (later DSND Offshore AS) became involved in the project to develop and construct multipurpose icebreakers that could be used for offshore operations in the oil fields during the summer months. The concept was developed by the Board of Navigation together with a Finnish consulting engineering company ILS. The summer period operational profile of the vessel was defined by the offshore markets' needs. Most of all, there was a demand for vessels that could conduct flexible pipe and cable laying and trenching and ploughing of cables and pipelines. Other defined tasks were e. g. cable repair work, anchor handling and the moving of offshore oil drilling platforms, semi submersible units, and other offshore units, and transportation of deck cargo. The operational area was defined as worldwide service concentrating to the Northern and Arctic areas. The novel hull form was tested and adjusted in an extensive ice model test series at VTT's ship laboratory. The testing concentrated also especially on maneuvering characteristics. Later the full scale ice trials were conducted in March 1993 in Northern Baltic off the cities of Oulu and Kemi, and they proved that the design criteria was achieved in icebreaking and ridge penetration capability ahead and astern, whereas the assistance and maneuvering capability in ice exceeded expectations. In 1997 a third multipurpose icebreaker was ordered from Finnyards. The ship, delivered in 1998 as Botnica, was slightly smaller than the previous Finnish multipurpose icebreakers and had several other differences, such as twelve Caterpillar high speed diesel engines instead of medium speed units and Azipod electric azimuth thrusters instead of the ducted Z drive Aquamasters. In 2012, Botnica was sold to Port of Tallinn, Estonia.

When Fennica entered service in 1993, it was agreed that the multipurpose icebreakers would be chartered for offshore duties about 180 days per year during the ice free season. For the winter months, they would return to Finland for escort icebreaking duties in the Baltic Sea or, if there was no need to deploy the whole state owned icebreaker fleet during particularly mild winters, for lay up in a Finnish port. In 2002, Halliburton Offshore and DSND combined their resources and the exclusive charter of the multipurpose icebreakers was transferred to the new company, Subsea 7, that held it until 2004. Following the reorganization of the Finnish Maritime Administration in 2004, the ownership and management of the state owned vessels was transferred to a newly founded state owned enterprise, Finstaship. Later a separate company, GDV Maritime AS, was established together with Norwegian partners and handled the global marketing of the Finnish multipurpose icebreakers until 2008. During this time, the focal point in the marketing of the Finnish multipurpose icebreakers shifted more to offshore activities and the ships returned to their home waters only if they were needed for icebreaking. In 2010 Arctia Shipping, a state owned limited company, took over the operations of Finstaship. The ownership and management of the Finnish multipurpose icebreakers was transferred to a subsidiary company, Arctia Offshore. In October 2011, Arctia Offshore and the Finnish Transport Agency signed a five year contract with an optional two year extension regarding the use of the multipurpose icebreakers Fennica and Nordica in the Finnish waters during the winter months. Prior to this, Arctia Icebreaking had already signed a similar contract for the conventional Finnish icebreakers. The decision to charter the Finnish icebreakers to support Arctic offshore drilling has been widely criticized due potential environmental damage in case of oil spill. On 16 March 2012, some 52 Greenpeace activists from five different countries boarded Fennica and Nordica at Arctech Helsinki Shipyard to protest Shell's drilling operations in Alaska. In November 2012, Fennica and her sister ship became the first Finnish icebreakers to sail through the Northern Sea Route when the vessels returned to Finland for the 2012 icebreaking season. During the transit, the multipurpose icebreakers were escorted by Russian nuclear powered icebreakers Rossiya and Vaygach. In 2013, Fennica and Nordica returned to Finland via the Northern Sea Route for the second time. In 2015, after the decision from Shell to stop drilling in Alaska, Fennica and Nordica returned to Europe via the Northwest Passage. This late season eastbound unescorted transit was the first time the Finnish icebreakers have sailed through the Canadian Arctic Archipelago and was claimed to save both time and money. The ships arrived to Nuuk, Greenland, on 31 October 2015. In 2023, Arctia signed a three year contract with Baffinland Iron Mines Corporation for icebreaking services of one multipurpose icebreaker during the 2023, 2024 and 2025 shipping seasons in the Canadian Arctic. For the 2023 shipping season, Fennica was deployed to Canada.

On 2 July 2015, while underway to the Chukchi Sea to support Shell's drilling operations, Fennica struck an uncharted rock that created a 3 feet (1 m) long and about two inches wide fracture in the Port No. 4 ballast tank. When the crew noticed that water level in the tank was rising, the icebreaker turned back and returned to Dutch Harbor for investigations. On 13 July, it was announced that Fennica would head to Vigor Industrial dry dock in Portland, Oregon, for repairs. This was not expected to delay Shell's plans to begin drilling in Northern Alaska as the capping stack, a critical piece of safety equipment carried by Fennica for shutting off the flow of fluids from an oil well in case of a blowout, would not be needed until later when the drill reaches depths where oil and gas are expected to be found. In Portland, Fennica was met by protesters who opposed Shell's plan to drill oil in the Arctic waters. Greenpeace activists hanging from the St. Johns Bridge as well as "kayaktivists" in the water tried to prevent the icebreaker from returning to Alaska on 30 July. While the protesters were eventually removed, allowing the icebreaker to leave, Greenpeace claimed symbolic victory after the protest had forced the icebreaker to turn back and return to the shipyard earlier that day. On 9 July, the United States Coast Guard announced that a boat from NOAAS Fairweather had followed Fennicas track from Dutch Harbor and discovered a previously uncharted rocky shoal where the sea depth was shallower than what was indicated in the nautical charts and about less than the draft of the icebreaker. The incident ended the co operation between DSND and the Finnish Maritime Administration and left many people suspicious about the profitability of the multipurpose icebreakers. Later, several prominent people such as the Finnish Minister of Transport Merja Kyllönen have again questioned the profitability of using the multipurpose icebreakers in offshore business and started a discussion of the future role of the Finnish state owned icebreaker fleet in commercial work in the Arctic.

Although the crews have been generally satisfied with the vessels' operational capabilities, the multipurpose icebreakers have also been perceived as compromise designs due to the conflicting requirements of icebreaking and offshore operations. The vessels have been criticized for their lower icebreaking capability and ability to operate in the Bothnian Bay ice conditions characterized by heavy ridging when compared to traditional icebreakers built in the 1970s. In open water, the multipurpose icebreakers have not been competitive against purpose built offshore vessels due to their higher fuel consumption. The state owned shipping company Arctia and its predecessors have also been criticized for the financial losses and low profitability of the offshore business. Unable to compete commercially against purpose built offshore vessels, the multipurpose icebreakers would be the last ones to be hired unless they were offered at significantly reduced day rates. forcing the Finnish Government to hire icebreakers from the commercial market to keep the ports open. Arctia also received criticism from environmental organizations such as Greenpeace after the Finnish multipurpose icebreakers were chartered for Shell Oil Company to support exploration drilling operations in the Arctic waters off Alaska where the consequences of an oil spill would be devastating. There have also been concerns about the legal liability in case of an oil spill after a report by the Research Institute of the Finnish Economy claimed that the Finnish State could be held liable and the compensations could include the entire property of Arctia Shipping, the state owned shipping company that owns and operates the Finnish icebreaker fleet. Fennica and the other Finnish multipurpose icebreakers are sometimes jokingly referred to as "Moulinex ships" after the French brand of household appliances and kitchen equipment.