ORP Kaszub (1987)

ORP Kaszub is a corvette of the Polish Navy, in service since 1987,[3] the sole ship of the Project 620 class. She was the first ocean-going warship built in Poland. As of 2012 she is in active service.[4]

For other ships with the same name, see ORP Kaszub.
History
Poland
Name: ORP Kaszub
Builder: Stocznia Północna, Gdańsk
Laid down: 9 June 1984
Launched: 11 May 1986
Commissioned: 15 March 1987
Identification:
General characteristics [1]
Displacement:
  • 1,051 long tons (1,068 t) standard
  • 1,183 long tons (1,202 t) full load
Length: 82.34 m (270 ft 2 in)[2]
Beam: 10 m (32 ft 10 in)
Draught:
  • 3.1 m (10 ft 2 in) (hull)
  • 4.9 m (16 ft 1 in) (sonar dome)
Installed power:
  • 4× Cegieski-Sulzer AS 16V 25/30 diesels
  • 12.42 MW (16,660 shp) total
Propulsion: CODAD, 2 shafts
Speed: 27 kn (31 mph; 50 km/h)
Range: 3,500 mi (3,000 nmi; 5,600 km) at 14 kn (16 mph; 26 km/h)
Complement: 67
Sensors and
processing systems:
  • Radar:
  • MR 302 Air/surface search (NATO Strut Curve)
  • Nogat SRN 7453 surface search
  • SRN 441XT Navigation radar
  • Sonar:
  • MG 322T hull mounted medium frequency active search
  • MG 392M high-frequency dipping sonar
Armament:
  • 1× AK-176 76 mm gun
  • 1x AM-35 Tryton 35 mm cannon
  • 2× ZU-23-2M Wrobel 23 mm cannon (2× twin mounts)
  • 2× 9K32M Strela 2M surface-to-air missiles
  • 4× 533mm (21 in) torpedo tubes (2× twin tubes) for SET-53M torpedoes
  • 2× RBU-6000 anti-submarine rocket launchers
Kaszub
Kaszub - view from astern
Kaszub firing an RBU-6000 rocket

The work on her design began in 1971, but the construction of the first ship started only in 1984, being laid down at Stocznia Północna (Northern Shipyard), Gdańsk on 9 June 1984. Kaszub was launched on 11 May 1986,[1] but was found to have a warped hull and propeller shafts, which required repair.[2] When the ship was commissioned on 15 March 1987,[1] Kaszub was not fitted with much of the planned armament, with a 9K33 Osa (NATO codename SA-N-4 Gecko) surface-to-air missile launcher being omitted because of its unreliability on small, high speed ships, while the ship's main gun armament was absent because of stability problems.[5] Originally it was planned to build 7 ships of this class, but in the end only one was constructed.[5]

At first, Kaszub saw little operational use, being loaned to the Polish Border guard from 1990 to January 1991. In September 1991, the ship was fitted with a AK-176 76 mm (3.0 in) gun turret forward[2]

In October 2016 AM-35 Tryton, turret system with single 35mm Oerlikon gun was mounted, tested and officially certified 19 December 2018.

References
  1. Saunders 2002, p. 540.
  2. Baker 1998, pp. 604–605.
  3. "Data from official Polish Navy website". Archived from the original on 2017-10-01. Retrieved 2009-10-13.
  4. The Military Balance 2008,International Institute for Strategic Studies.
  5. Gardiner and Chumbley 1995, p. 312.
  • Baker, A.D. (1998). The Naval Institute Guide to Combat Fleets of the World 1998–1999. Annapolis, Maryland, USA: Naval Institute Press. ISBN 1-55750-111-4.
  • Gardiner, Robert; Chumbley, Stephen (1995). Conway's All The World's Fighting Ships 1947–1995. Annapolis, Maryland, USA: Naval Institute Press. ISBN 1-55750-132-7.
  • Saunders, Stephen (2002). Jane's Fighting Ships 2002–2003. Coulsdon, UK: Jane's Information Group. ISBN 0710624328.
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