Project 23550 patrol ship

Project 23550 patrol ships is a class of armed icebreaking patrol ships with two vessels currently under construction for the Russian Navy at Admiralty Shipyard in Saint Petersburg, Russia.[8] Two ships have been ordered from the Admiralty Shipyard in 2016.[9] The ships are designed to patrol the Russian territorial waters and exclusive economic zone in the Arctic.

Class overview
Builders:
Operators:
Built: 2017–
In commission: 2023– (planned)[1]
Planned: 4[2]
Building: 3
General characteristics
Type: Icebreaking patrol ship
Displacement:
  • 6,800 tons (standard)[3]
  • 8,500 tons (full load)
Length: 114 m (374 ft)
Beam: 18 m (59 ft)
Draught: 6 m (20 ft)
Ice class: RMRS Arc7[4]
Installed power: 4 × Kolomna 28-9DG (4 × 3,500 kW)[5]
Propulsion:
Speed: 18 kn (33 km/h; 21 mph)
Range: 6,000 nmi (11,000 km; 6,900 mi)
Complement: 49 core crew + 47 extra mission crew
Armament:
Aviation facilities: Helipad and hangar for Ka-32 helicopter

During the launching ceremony of the lead ship, it was announced that two additional ships of slightly revised design would be built for the Border Service of the Federal Security Service of the Russian Federation by Vyborg Shipyard.[2]

Design

Project 23550 patrol ships have a planned displacement of 6,800 tons, a length of 114 metres (374 ft 0 in) and a draught of 6 metres (19 ft 8 in).[8] They are designed to break through ice up to 1.5 metres (4 ft 11 in) thick. The ships will be equipped with two Project 03160 Raptor type military boats, a Ka-32 helicopter and small hovercraft. The core crew is planned at 60 with accommodation for an additional 50 mission specialists. Armament will include a 100 mm gun (some sources state a 76 mm gun) and 3M-54 Kalibr anti-ship missiles.

Project 23550 will have a diesel-electric power plant with four 3,500-kilowatt Kolomna 28-9DG generating sets consisting of 16-cylinder 10D49 diesel engines driving alternators 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 Azipod azimuthing propulsion units, the final design has conventional shaft lines, propellers and rudders. The 6.3-megawatt propulsion motors will be produced by Ruselprom.[1][6] The ships will have an endurance of 60 days and a range of 6,000 nautical miles (11,000 km; 6,900 mi).

The vessels are strengthened for navigation in ice-covered arctic seas according to the Russian Maritime Register of Shipping ice class Arc7.[4][8]

Think tank Global Security pointed out several similarities between the 23550 design and Norway's Svalbard class, and Canada's Harry DeWolf class.[8] 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.

Ships
Name Russian Namesake Builder Laid down Launched Commissioned Status
Russian Navy
Ivan Papanin Иван Папанин Ivan Papanin Admiralty Shipyard, Saint Petersburg 19 April 2017 25 October 2019[10] 2023 (planned)[11] Launched
Nikolay Zubov Николай Зубов Nikolay Nikolaevich Zubov Admiralty Shipyard, Saint Petersburg 27 November 2019[9] [12] 2024 (planned)[11] Under construction[11]
Border Service of Russia
Purga Пурга[13] Russian for blizzard Vyborg Shipyard, Vyborg 25 July 2020[13] 2024 (planned)[13] Under construction[13]
Vyborg Shipyard, Vyborg Planned[2]

See also

References
  1. ""Адмиралтейские верфи" объяснили сдвиг сроков передачи сторожевых кораблей". ria.rt. 21 March 2018. Retrieved 25 October 2019.
  2. "Два патрульных ледокола проекта 23550 построят для ФСБ". flotprom.ru. 25 October 2019. Retrieved 25 October 2019.
  3. "This Is Russia's Warship Built Specifically For Arctic Fighting". thedrive.com. 27 March 2017. Retrieved 25 October 2019.
  4. "АО «АДМИРАЛТЕЙСКИЕ ВЕРФИ» СПУСТИЛО НА ВОДУ ПАТРУЛЬНЫЙ КОРАБЛЬ ЛЕДОВОГО КЛАССА «ИВАН ПАПАНИН»" (in Russian). Admiralty Shipyard. 25 October 2019. Retrieved 1 November 2019.
  5. "На Коломенском заводе запущено производство основных и вспомогательных дизель-генераторов для патрульного ледокола «Иван Папанин»". ОАО «Коломенский завод». 21 April 2017. Retrieved 25 October 2019.
  6. "«Русэлпром» запустил в производство электрические машины для ледокола «Иван Папанин»". ruselprom.ru. Retrieved 25 October 2019.
  7. "Project 23550 Arktika". russianships.info. Retrieved 25 October 2019.
  8. "Project 23550 Ivan Papanin - patrol icebreaker". Global Security.
  9. "Второй патрульный ледокол "Николай Зубов" будет заложен в 2020 году". TASS. 19 June 2018. Retrieved 25 October 2019.
  10. ""Иван Папанин" сошел со стапелей на "Адмиралтейских верфях"". flotprom.ru. 25 October 2019. Retrieved 25 October 2019.
  11. "Спуск на воду "Ивана Папанина" состоится в 2019 году". sudostroenie.info. 10 April 2019. Retrieved 11 April 2019.
  12. https://flotprom.ru/2019/%D0%90%D0%B4%D0%BC%D0%B8%D1%80%D0%B0%D0%BB%D1%82%D0%B5%D0%B9%D1%81%D0%BA%D0%B8%D0%B5%D0%92%D0%B5%D1%80%D1%84%D0%B827/
  13. "Как Выборгский завод начал строительство пограничного корабля "Пурга"" (in Russian). Sudostroenie.info. 25 July 2020. Retrieved 25 July 2020.
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