The Russian Kilo Class submarine first entered
service in the early 1980s. It was designed by the Rubin Central
Maritime Design Bureau, St Petersburg. Subsequent developments have led
to the current production versions, the Type 877EKM and the Type 636. A
successor, the Lada (Project 677) was launched in November 2004.
Rubin is developing an air-independent propulsion (AIP) system which could be available for retrofit to the other versions. The Kilo submarine was originally built at the Komsomolsk shipyard but is now constructed at the Admiralty Shipyard in St Petersburg. China has two Type 636 submarines, the second of which joined the Chinese fleet in January 1999.
In September 2007, it was announced that Indonesia had placed an order for two Kilo Type 636 submarines, plus options to purchase up to eight more.
In November 2007, Venezuela signed a memorandum of understanding for three Type 636 submarines to be delivered from 2012 to 2013.
Design
The submarine consists of six watertight compartments separated by transverse bulkheads in a pressurised double-hull. This design and the submarine's good reserve buoyancy lead to increased survivability if the submarine is holed, even with one compartment and two adjacent ballast tanks flooded.
The foreplanes are positioned on the upper hull in front of the fin or sail. The design is a development of the 877EKM Kilo class, with extended hull. The power of the diesel generators has been increased and the main propulsion shaft speed has been reduced to provide a substantial reduction in the acoustic signature of the submarine.
Maximum diving depth is 300m. Speed is 11kt when surfaced and 20kt when submerged. Range is 7,500 miles when snorkelling at 7kt and 400 miles when submerged at 3kt.
Command system
The submarine is equipped with a multi-purpose combat and command system which provides information for effective submarine control and torpedo firing.
The system's high-speed computer can process information from the surveillance equipment and display it on the screen; determine submerged and surface target data and calculate firing parameters; provide automatic fire control; and provide information and recommendations on manoeuvres and deployment of weapons.
Missiles
The submarine has a launcher for eight Strela-3 or Igla surface-to-air missiles. These missiles are manufactured by the Fakel Design Bureau, Kaliningrad. Strela-3 (NATO Designation SA-N-8 Gremlin) has a cooled infrared seeker and 2kg warhead. Maximum range is 6km.
The vessels can be fitted with the Novator Club-S (SS-N-27) cruise missile system which fires the 3M-54E1 anti-ship missile. Range is 220km with 450kg high-explosive warhead.
Torpedoes
The submarine is equipped with six 533mm forward torpedo tubes situated in the nose of the submarine and carries 18 torpedoes with six in the torpedo tubes and 12 stored on the racks. Alternatively the torpedo tubes can deploy 24 mines.
Two torpedo tubes are designed for firing remote-controlled torpedoes with a very high accuracy. The computer-controlled torpedo system is provided with a quick-loading device. The first salvo is fired within two minutes and the second within five minutes.
Sensors
Type 636 is fitted with the MGK-400EM digital sonar. This provides: detection of submarine and surface ship targets in sonar listening mode; echo-ranging in a ±30° sector of the target relative bearing; telephone and telegraph communication in both long and short-range modes; detection of underwater sound signals and determination of the signal bearing.
The submarine's radar works in periscope and surface modes and provides information on the underwater and air situation, radar identification and navigational safety.
Kilo Class countermeasures include electronic support measures (ESM), radar warning receiver and direction finder.
Propulsion
The submarine's propulsion system consists of two diesel generators, a main propulsion motor, a fuel-economic motor and a single shaft driving a seven-blade fixed-pitch propeller.
There are two additional stand-by motors for running in shallow waters, at mooring and in cases of emergency. Two 120-cell storage batteries are installed in the first and third compartments of the submarine. The main machinery is equipped with an automatic control system.
Rubin is developing an air-independent propulsion (AIP) system which could be available for retrofit to the other versions. The Kilo submarine was originally built at the Komsomolsk shipyard but is now constructed at the Admiralty Shipyard in St Petersburg. China has two Type 636 submarines, the second of which joined the Chinese fleet in January 1999.
In September 2007, it was announced that Indonesia had placed an order for two Kilo Type 636 submarines, plus options to purchase up to eight more.
In November 2007, Venezuela signed a memorandum of understanding for three Type 636 submarines to be delivered from 2012 to 2013.
"The Russian Kilo Class submarine first entered service in the early 1980s."
Type 636 is designed for anti-submarine warfare (ASW) and
anti-surface-ship warfare (ASuW) and also for general reconnaissance and
patrol missions. The Type 636 submarine is considered to be to be one
of the quietest diesel submarines in the world. It is said to be capable
of detecting an enemy submarine at a range three to four times greater
than it can be detected itself.Design
The submarine consists of six watertight compartments separated by transverse bulkheads in a pressurised double-hull. This design and the submarine's good reserve buoyancy lead to increased survivability if the submarine is holed, even with one compartment and two adjacent ballast tanks flooded.
The foreplanes are positioned on the upper hull in front of the fin or sail. The design is a development of the 877EKM Kilo class, with extended hull. The power of the diesel generators has been increased and the main propulsion shaft speed has been reduced to provide a substantial reduction in the acoustic signature of the submarine.
Maximum diving depth is 300m. Speed is 11kt when surfaced and 20kt when submerged. Range is 7,500 miles when snorkelling at 7kt and 400 miles when submerged at 3kt.
Command system
The submarine is equipped with a multi-purpose combat and command system which provides information for effective submarine control and torpedo firing.
The system's high-speed computer can process information from the surveillance equipment and display it on the screen; determine submerged and surface target data and calculate firing parameters; provide automatic fire control; and provide information and recommendations on manoeuvres and deployment of weapons.
Missiles
The submarine has a launcher for eight Strela-3 or Igla surface-to-air missiles. These missiles are manufactured by the Fakel Design Bureau, Kaliningrad. Strela-3 (NATO Designation SA-N-8 Gremlin) has a cooled infrared seeker and 2kg warhead. Maximum range is 6km.
"The Kilo Class submarine consists of six watertight compartments."
Igla (NATO designation SA-N-10 Gimlet) is also infrared-guided but heavier, with a maximum range of 5km and speed of Mach 1.65.The vessels can be fitted with the Novator Club-S (SS-N-27) cruise missile system which fires the 3M-54E1 anti-ship missile. Range is 220km with 450kg high-explosive warhead.
Torpedoes
The submarine is equipped with six 533mm forward torpedo tubes situated in the nose of the submarine and carries 18 torpedoes with six in the torpedo tubes and 12 stored on the racks. Alternatively the torpedo tubes can deploy 24 mines.
Two torpedo tubes are designed for firing remote-controlled torpedoes with a very high accuracy. The computer-controlled torpedo system is provided with a quick-loading device. The first salvo is fired within two minutes and the second within five minutes.
Sensors
Type 636 is fitted with the MGK-400EM digital sonar. This provides: detection of submarine and surface ship targets in sonar listening mode; echo-ranging in a ±30° sector of the target relative bearing; telephone and telegraph communication in both long and short-range modes; detection of underwater sound signals and determination of the signal bearing.
The submarine's radar works in periscope and surface modes and provides information on the underwater and air situation, radar identification and navigational safety.
"Type 636 is designed for anti-submarine warfare (ASW) and anti-surface-ship warfare (ASuW)."
CountermeasuresKilo Class countermeasures include electronic support measures (ESM), radar warning receiver and direction finder.
Propulsion
The submarine's propulsion system consists of two diesel generators, a main propulsion motor, a fuel-economic motor and a single shaft driving a seven-blade fixed-pitch propeller.
There are two additional stand-by motors for running in shallow waters, at mooring and in cases of emergency. Two 120-cell storage batteries are installed in the first and third compartments of the submarine. The main machinery is equipped with an automatic control system.
Kilo Class Type 636 INS Sindhurakshak.
The submarine is equipped with six 533mm forward torpedo tubes.
A 636 Kilo class submarine submerging.
Kilo Class Type 636 under construction.
A bulkhead in the Kilo Class.
Kilo Class Type 636 is only 1.2m longer in length than Kilo Class Type 877EKM.
Kilo Class Type 636.
Machinery controls.
The yard model of the 636 Kilo class submarine.
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