#GokdenizCIWS
GOKDENIZ CLOSE-IN WEAPON SYSTEM (CIWS)
GOKDENIZ CIWS along with 35 mm Airburst Ammunition (ATOM) developed by ASELSAN is a close-in weapon system (CIWS) highly
effective against anti-ship missiles. The system with the Automatic Linkless Ammunition Feed Mechanism allows loading both HEI and
Airburst Ammunition at the same time and switching between ammunition types as needed.
In addition to anti-ship missiles, GOKDENIZ is also effective against helicopters, fighters, UAVs and asymmetric surface naval threats.
General Specifications of GOKDENIZ CIWS
Effective operation at sea status 0 – 5 with stabilized gun turret
• Automatic Target Tracking with Integrated Tracking Platform
including Tracking Radar and E/O Sensors
• 3-D Search Radar (Optional)
• Autonomous Operation Capability and Combat Management
System integration
• High firing rate with 35 mm twin gun system (1100 rounds / min)
• Ability to load both Airburst and HEI ammunition and switch
between ammunition types with Automatic Linkless Ammunition
Feed Mechanism (ALAFM)
GOKDENIZ Sea Trials
GOKDENIZ prototype was tested on Turkish Navy’s ship in
May 2018.
• High speed target drone (180 m/s) that represents an antiship missile
• Sea-skimming scenario
• Fully autonomous target detection, tracking and firing
* Kill at long range
The GOKDENIZ (Turkish: Aselsan Gökdeniz) complex along with Aselsan ATOM 35mm airburst ammunition is an all-weather-capable Turkish 35 mm dual barrel close-in weapon system (CIWS) developed by Aselsan. It is a CIWS variant of KORKUT Self-propelled anti-aircraft gun.
Each GOKDENIZ platform carries a variant of Oerlikon 35 mm twin cannon, manufactured under licence by MKEK. The CIWS system, sensors and electronics manufactured by Aselsan. The CIWS can fire up to 1100 rounds a minute up to an effective range of 4 km.
Purpose
The system's primary purpose is to defend against anti-ship missiles, unmanned aerial vehicles and other precision guided weapons. It can also be employed against conventional and rotary-wing aircraft, surface ships, small water-crafts, coastal targets and floating mines.
Ammunition
The cannons fire 35×228 mm Aselsan ATOM 35mm airburst round and High-explosive incendiary (HEI) ammunition.
In the anti-missile role it uses ATOM 35mm airbrush ammunition from Aselsan. This round ejects tungsten pellets at a predetermined distance. It is a smart ammunition which has a base fuse. Together with the ability of precise time counting and the capability of being programmed during firing by taking muzzle velocity into consideration automatically sets the fuse to detonate the round as it approaches a pre-set distance from the target. Whilst a single pellet is too small to do major damage in itself, the accumulation of damage from multiple strikes is designed to destroy wings and control surfaces, sensors and aerodynamics, causing the target to crash. According to Aselsan, the ammunition is resistant against electromagnetic jamming. One the other hand, HEI ammunition designed to impart energy and therefore damage to its target in one or both of two ways: via a high-explosive charge and/or via its incendiary (fire-causing) effects. They caused fires, which on ships can be difficult to extinguish.
The system allows loading of both ammunition at the same time and it can switch between ammunition type with automatic linkless ammunition feed mechanism when needed during the operation.
Type Close-In Weapon System
Place of origin Turkey
Production history
Designer Aselsan
Manufacturer Aselsan
Produced 2019-Present
Specifications
Shell 35×228mm ATOM, 35×228mm HEI-T
Shell weight ATOM 35mm: 1.750 kg (3 lb 14 oz)
HEI-T: 1.565 kg (3 lb 7 oz)
Caliber 35 mm (1.38in)
Barrels 2
Action Gas-operated
Traverse 360°
Rate of fire 1100 rpm (2 x 550 rpm)
Muzzle velocity ATOM 35mm: 1,020 m/s (3,300 ft/s)
HEI-T: 1,175 m/s (3,850 ft/s)
Effective firing range 4,000 metres (13,000 ft)
Feed system Automatic linkless
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