ORP Mewa (603)

ORP Mewa (603) – a ship of Polish Navy's Kormoran II class MCMVs. She was laid down on 10 October 2019, and launched on 17 December 2020 at Remontowa Shipbuilding yard in Gdańsk. Her non-magnetic 58.5 meter hull is made from austenitic steel. She has a standard displacement of 830 tons. Kormoran employs sophisticated mine countermeasures including underwater drones.[1][2][3] The ship will enter service in the 13 Minesweeper Squadron belonging to 8th Coastal Defence Flotilla.[4]

The twin ship ORP Albatros just after launching
History
Poland
Name: ORP Mewa (603)
Builder: Remontowa Shipbuilding
Laid down: 10 September 2019
Launched: 17 December 2020
General characteristics
Class and type: Kormoran II
Displacement: 830 tons (standard)
Length: 58.5 m (192 ft)
Beam: 10.3 m (34 ft)
Draught: 2.7 m (8.9 ft)
Propulsion:
Speed: 15 kn (28 km/h)
Complement: up to 45
Sensors and
processing systems:		 Double Eagle Mk. III, Hugin 1000MR UUVs, Morświn ROV,SHL-101 TM keel sonar and SHL-300 self-propelled sonar
Armament: OSU-35K 35 mm autocannon, 3x WKM-Bm 12.7 mm machine guns, Grom missile launchers

Construction

The contract between the Armament Inspectorate and the Remontowa Shipbuilding SA consortium, the Research and Development Center of the Maritime Technology Center in Gdynia and the Naval Shipyard SA for the construction of a prototype and two serial units was concluded on 23 September 2013. The sheet metal cutting started on 19 June, 2019. On 10 October, 2019, a ceremonial keel laying ceremony took place at the Remontowa shipyard. Due to the non-magnetic steel, welding of the hull sheets was carried out in a sterile hall with a controlled interior temperature. On 17 December, 2020 at the Remontowa Shipbuilding S.A. shipyard, ORP Mewa was officially launched and baptized. Anna Kułagin was the godmother.[1][5][6][2]

Design

The hull of the ship is 58.5 meters long, 10.3 meters wide and has a displacement of 830 tons, made of austenitic stainless steel, which reduces the detectability of the ship's physical fields. The choice of austenitic steel was dictated by its very low magnetic permeability and corrosion resistance. The length between the perpendiculars is 55.58 meters, the width at the waterline is 9.75 meters, and the height to the superstructure deck is 6.4 meters. The height to the main deck at the stern is 4.7 meters, while the design draft is 2.7 meters. The hull consists of 9 watertight compartments structurally divided into 33 separate and then joined sections. The ship has the L-3 ice class. The shape of the hull and superstructure is optimized to reduce the effective area of radar reflection.[1][5][6][2]

The ship's power plant consists of two MTU 8V369TE74L diesel engines with an output power of 1000 kW – 1360 HP, supplemented by three MTU 6R1600M20S generating sets with a rated power of 380 kVA each. The ship's propulsion is transmitted via shafts to two Voith-Schneider Voith Turbo 21 GH / 160 cycloidal propellers. In order to increase the maneuverability of the unit and at the same time increase the ship's safety level, ORP "Albatros" was also equipped with a Schottel STT 170 AMAG bow thruster with a power of 100 kW. Such a configured propulsion system enables the vessel to travel at a speed of at least 15 knots, and provides a range of not less than 2500 nautical miles. The structure of the ship allows it to be operated with a standard crew of 45 people, while providing space for an additional 7 people. "Mewa" is adapted to operate in nuclear, biological and chemical threat environments.[1][5][6][2]

References
  1. "ORP „Kormoran" odsłania tajemnice [FOTO] – Defence24". www.defence24.pl. Retrieved 2020-12-18.
  2. "Chrzest i wodowanie ORP Mewa i H-13 Przemko [ZDJĘCIA]". Wydawnictwo militarne ZBIAM (in Polish). 2020-12-17. Retrieved 2020-12-18.
  3. AL. "ORP Mewa i holownik Przemko zwodowane w stoczni Remontowa Shipbuilding | PortalMorski.pl". www.portalmorski.pl (in Polish). Retrieved 2020-12-18.
  4. [email protected], ALFA BRAVO. "Wodowanie i chrzest ORP Mewa i H-13 Przemko – GospodarkaMorska.pl". Gospodarka morska – portal branżowy, portal morski (in Polish). Retrieved 2020-12-18.
  5. "Niszczyciel min projektu 258 Kormoran II". DziennikZbrojny.pl (in Polish). Retrieved 2020-12-18.
  6. pbs. "Kormoran rozpoczął próby morskie [VIDEO] | PortalMorski.pl". www.portalmorski.pl (in Polish). Retrieved 2020-12-18.
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