Corvette HSwMS Visby (K 31)

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Corvette HSwMS Visby (K 31) 0Corvette HSwMS Visby (K 31) 1Corvette HSwMS Visby (K 31) 2Corvette HSwMS Visby (K 31) 3Corvette HSwMS Visby (K 31) 4Corvette HSwMS Visby (K 31) 5
Yes

Classification

Ship class:
Type:
type: Corvette

Basic information

Namesake:
Visby is a locality and the seat of Gotland Municipality in Gotland County
Country of build:
Builder:
builder: Kockums Naval Solutions
Operator:
Laid down:
Launched:
Commissioned:
Status:

Ship measurements

Displacement:
650 t
Length:
72.6 m
Beam (overall):
10.4 m
Draught:
2.5 m

Machine

Propulsion:
  • CODAG
  • 2 * KaMeWa Waterjets
  • 4 * Honeywell TF 50 A gas turbines, total rating 16 MW
  • 2 * MTU Friedrichshafen 16V 2000 N90 diesel engines, total rating 2.6 MW
Speed:
35 knots
Range:
2,500 nmi (4,600 km) at 15 kn (28 km/h)

Crew

Complement:
43

Combat assets

Armor:
  • Kockums GHOST Fiber Reinforced Plastic (FRP)Hull
Electronics:
  • Ericsson Sea Giraffe ABM 3D surveillance radar
  • Ceros 200 Fire control radar system
  • Condor CS-3701 Tactical Radar Surveillance System
  • Hull-mounted sonar
  • Towed array sonar system
  • Variable depth sonar
  • Rheinmetall Waffe Munition MASS (Multi-Ammunition Softkill) decoy system
Armament:
  • 1 * 57 Mk3
  • 8 * RBS15 Mk2 AShM
  • 4 * 400mm topredo tubes (ASW torpedoes)
  • ASW gernade lauchers
  • Mines and depth charges

HSwMS Visby (K 31) is the lead ship of the Visby-class corvettes. It was created as a stealth ship, and underwent a decade long testing phase before it entered service with the Swedish Navy.

HSwMS Visby is the lead ship of the Visby-class corvettes. It was built by Kockums at the Karlskrona naval base, and was the first of four vessels of the class which are designed for coastal warfare.

The hull of the vessel is made of carbon fiber reinforced plastic, a stealth technology, in order to make the vessel difficult to detect by other forces. A minimum of external equipment is stored outside of the vessel, with equipment such as liferafts being stored inside the hull. This hull also reduces the weight of the vessel by around half. It was intended to be radar silent until it moves within 30 kilometres (19 mi) of an enemy vessel.

Visby completed sea trials in 2004. The ship underwent a further eight years of tests by the Swedish Defence Procurement Agency, before being delivered to the Navy in late 2012. These tests included the firing of the RBS15 Mk2 AShM, which took place in July 2012.[1] In October 2014, Visby was amongst the Swedish vessels patrolling in an exercise for finding the source of «foreign underwater activity» which was rumoured to be a Russian submarine, identified by distress call. This rumour was denied by the Swedish authorities, who described it as a «intelligence operation».

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