Project 23550 is a class of armed
icebreaking
An icebreaker is a special-purpose ship or boat designed to move and navigate through ice-covered waters, and provide safe waterways for other boats and ships. Although the term usually refers to ice-breaking ships, it may also refer to smaller ...
patrol ship
A patrol boat (also referred to as a patrol craft, patrol ship, or patrol vessel) is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and the ...
s with two vessels currently under construction for the
Russian Navy at
Admiralty Shipyards
The JSC Admiralty Shipyards (russian: link=no, Адмиралтейские верфи) (''formerly Soviet Shipyard No. 194'') is one of the oldest and largest shipyards in Russia, located in Saint Petersburg. The shipyard's building ways can ac ...
in
Saint Petersburg
Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...
,
Russia
Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
("Arktika" Type, russian: шифр «Арктика», translation=codename ''
Arctic
The Arctic ( or ) is a polar regions of Earth, polar region located at the northernmost part of Earth. The Arctic consists of the Arctic Ocean, adjacent seas, and parts of Canada (Yukon, Northwest Territories, Nunavut), Danish Realm (Greenla ...
'').
[ Two ships have been ordered from the Admiralty Shipyards in 2016.]Vyborg Shipyard
Vyborg Shipyard PJSC (russian: ПАО «Выборгский судостроительный завод») is a shipbuilding company located in Vyborg, Russia. The company has a focus on icebreakers and other icegoing vessels for arctic conditions ...
("Ermak" Type, russian: шифр «Ермак», link=no, translation=codename ''Yermak
Yermak Timofeyevich ( rus, Ерма́к Тимофе́евич, p=jɪˈrmak tʲɪmɐˈfʲejɪvʲɪtɕ; born between 1532 and 1542 – August 5 or 6, 1585) was a Cossacks, Cossack ataman and is today a hero in Russian folklore and myths. During ...
'').
Design
Project 23550 patrol ships have a planned displacement of 6,800 tons, a length of and a draught of .[ The ships will be equipped with two Project 03160 Raptor class patrol boats, a helicopter and small hovercraft. The core crew is planned at 60 with accommodation for an additional 50 mission specialists. Armament will include a naval gun (some sources state a naval gun) and Kalibr anti-ship missiles in the container variant.]Kolomna
Kolomna ( rus, Колóмна, p=kɐˈlomnə) is a historical types of inhabited localities in Russia, city in Moscow Oblast, Russia, situated at the confluence of the Moskva River, Moskva and Oka Rivers, (by rail) southeast of Moscow. Populati ...
generating sets consisting of 10D49 diesel engine
The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-call ...
s driving alternator
An alternator is an electrical generator that converts mechanical energy to electrical energy in the form of alternating current. For reasons of cost and simplicity, most alternators use a rotating magnetic field with a stationary armature.Go ...
s produced by Ruselprom. In addition, the ships will have two auxiliary diesel generating sets with Kolomna diesel engines and Ruselprom alternators. While the early concept featured ABB
ABB Ltd. is a Swedish- Swiss multinational corporation headquartered in Zürich, Switzerland. The company was formed in 1988 when Sweden's Allmänna Svenska Elektriska Aktiebolaget (ASEA) and Switzerland's Brown, Boveri & Cie merged to crea ...
Azipod
Azipod is a trademark azimuth thruster pod design, a marine propulsion unit consisting of a fixed pitch propeller mounted on a steerable gondola ("pod") containing the electric motor driving the propeller, allowing ships to be more maneuverable ...
azimuthing propulsion units, the final design has two conventional shaft lines, propellers and rudders. The propulsion motors will be produced by Ruselprom.Russian Maritime Register of Shipping
The Russian Maritime Register of Shipping (RS) maintains a ship register of the Russian Federation, based in Saint Petersburg, and is a marine classification society. Its activities aim to enhance safety of navigation, safety of life at sea, se ...
ice class Arc7.[ They are designed to break ice up to thick.]Global Security
GlobalSecurity.org is an American nonpartisan, independent, nonprofit organization that serves as a think tank, and research and consultancy group. Focus
The site is focused on national and international security issues; military analysis, syste ...
pointed out several similarities between the 23550 design and Norway's ''Svalbard'' class, and Canada's .[ All three class are of approximately the same displacement, capable of transitting similar depths of ice and have similar size crews, with room for mission specialist. The 23550 class is, however, much more heavily armed.
In 2020 it was announced that the Russian Navy would begin ]sea trial
A sea trial is the testing phase of a watercraft (including boats, ships, and submarines). It is also referred to as a " shakedown cruise" by many naval personnel. It is usually the last phase of construction and takes place on open water, and ...
s to test the installation of module containers on patrol vessels permitting such ships to carry significantly upgraded armaments tailored to different missions. The containers were envisaged to carry various weapons including sonars and torpedoes or anti-ship and cruise missiles.
Ships
References
External links
*
{{Soviet and Russian ships after 1945
Icebreakers of Russia
Patrol ship classes
Patrol vessels of the Russian Navy
Proposed ships