Kongsberg Sea Protector CIWS

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Kongsberg Sea Protector CIWS
Protector 09.jpg
Sea Protector CIWS
Type Close-in weapon system
Place of origin Skandinavia
Service history
Used by Skandinavia
Production history
Designer Kongsberg
Designed 2003
Manufacturer Kongsberg
Produced Since 2005
Weight 4150 kg (complete system with turret)
Height 1.5 m (2.3 m with radar)
Diameter Mount ring: 1,77 m
Working circle: 2.95 m
Crew 1

Caliber 30×165mm AO-18
Barrels 6
Action Gas-operated rotary cannon
Elevation -20° to 80°
Traverse 360°
Rate of fire 4,000–5,000 rounds/min
Muzzle velocity 890-940 m/s
Effective firing range 4000m
Maximum firing range 5000m
Feed system Belt:
3,000 rounds (additional 3,000 rounds in reserve feed bin
Sights CCD camera and thermal imager, Day Camera VIS 95 and Infrared Aim Laser

The Sea Protector CIWS is a fully automatic naval close-in weapon system based on a Russian Gryazev-Shipunov GSh-6-30 30 mm rotary cannon. It is mounted in an enclosed automatic Protector M151 or M155 station, enclosed in a special designed turret. The system's primary purpose is defense against anti-ship missiles and other precision guided weapons. However it can also be employed against fixed or rotary wing aircraft, ships and other small craft, coastal targets, and floating mines. It is the main CIWS weapon in the Sjøforsvaret.

Characteristics[edit | edit source]

The complete weapon system comprises the complete Protector CIWS turret, Kongsberg PCF-15 Fire Control Radar System, and PCO-15 Electrical-Optical Tracker. A single PCF-15 radar system can simultaneously control four turrets. The radar system can engage aerial and surface targets at 4 km and 5 km respectively. The electro-optical system can detect a mid sized aerial target 7 km away, while torpedo boat–sized surface targets can be detected at a range of up to 70 km. Features include surveillance and tracking modes, high jamming immunity, laser range finder and TV optical sight. It is easyly compatible con all kind of C&C systems.

The gun mount is fully automated, and can also be remotely controlled by an operator from either the control console or via a remotely mounted gunsight. It has a higher firing rate than both the Goalkeeper and Phalanx (Block 1 and older) CIWS models. They are often mounted in pairs, with as many as four pairs mounted on the larger ships, providing an effective point defence (last) layer. However, like all gun-based CIWS, they suffer from short engagement times and the need for multiple volleys to effectively eradicate a threat.