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Project 636  
Initial Operational Capability (IOC): 1998
Total Production: 37
Unitary Cost: USD$350 million
Also Known As: Hanoi, Improved Kilo, Project 636.3, Project 636M, Varshavianka and Varshavyanka
Origin: Russia
Corporations: Admiralty Shipyards, Rubin and USC*   (*) lead contractor
Parent System: Project 877
Initial Operational Capability (IOC): 1982
Total Production: 80
Family Members: Project 877
Reviews   Average 8.3
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  Firepower 8.0
  Maneuverability 9.0
  Performance 9.0
  Range 9.0
  Speed 7.0
  Survivability 8.0
Description: The Project 877 class diesel-electric submarines, Kilo NATO-codename, were intended originally to engage surface ships and submarines protecting friendly sea coasts. Mines, torpedoes, missiles, and rockets can be employed to engage submarines and surface ships. They can undertake reconnaissance and special operations forces infiltration missions. The Project 877 submarines feature six 533mm torpedo tubes and a quieter diesel-electric propulsion system. Lower noise emissions ensure enhanced survivability and improved performance over previous diesel-electric powered Soviet-made submarines. The submarine sensor suite includes the MGK-400 Rubikon, Shark Gill NATO name, low frequency active and passive hull-mounted sonar array; MG519 Mouse Roar high frequency radar for airborne and mine threats avoidance; and the MRK-50 Albatros surface navigation radar.

The Project 636 class diesel-electric submarines, Kilo NATO-codename, are a further development of the proven Project 877EKM submarine featuring a quieter propulsion system as well as an improved weapon system. They are intended to engage surface ships and submarines. They can undertake reconnaissance and special operations forces infiltration missions. Low noise emissions of the propulsion system ensure enhanced survivability and improved performance compared with its predecessor Project 877EKM submarine. The new torpedo tube-launched Klub/Club-S missiles provide enhanced engagement capability against AEGIS-protected surface ships as well as submarines and land targets.

The first Project 636 submarine was commissioned in 1997/1998 by the People's Liberation Army (PLA) Navy. China was the first 636-class submarine operator with ten ships already delivered. The Russian Navy operates as many as 12 submarines of this improved Kilo class and is available for export customers. As of 2017 Russia has received orders for more than 35 boats from several customers worldwide.

Project 636 Specifications

Crew: 53
Enlisted: 41
Number of Engines: 2
Number of Weapons: 24
Officers: 12
Torpedo Tubes: 6
Beam: 9.90 meter (32.5 foot)
Length: 74 meter (242 foot)
Max Operating Depth: 300 meter (984 foot)
Max Range: 13,890 kilometer (7,500 nautical mile)
Max Range Submerged: 400 nautical mile
Top Speed Submerged: 20 knot (10.3 mps)
Top Speed Surfaced: 10 knot
Mission Endurance: 45 day
Displacement Submerged: 3,125 ton
Displacement Surfaced: 2,350 ton
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

Project 636 News

There are 11 news between
7 Feb 2012 and 4 Aug 2019
1  2  
Sunday, August 4, 2019Royal Navy Alarmed by Russian Navy Kilo Class Diesel Powered Submarines
Monday, April 16, 2018Russian Kilo Submarines Chased Royal Navy Astute Submarine Ahead of Syria Attack
Wednesday, June 28, 2017Russian Navy Pacific Fleet to Get Six Kilo Submarines by 2020
Friday, April 14, 2017Russian Navy Yasen-M Submarines to Feature 4th Generation Nuclear Reactor
Wednesday, April 12, 2017Russian Navy Borey, Yasen and Varshavyanka Submarines to Get Special Rubber Coating
Wednesday, September 7, 2016Russia's Admiralty to Deliver Six Stealth Subs to Pacific Fleet by 2021
Tuesday, May 31, 2016Russian Navy Orders Six Additional Improved Kilo Submarines for its Pacific Fleet
Friday, May 6, 2016Russian Diesel Electric Submarine Test Fires Kalibr Missile System
Tuesday, December 8, 2015Russian Navy Improved Kilo Submarine Fires Kalibr-NK Cruise Missiles from the Mediterranean Sea
Wednesday, September 17, 2014First Improved Kilo Submarine Joins Russian Navy's Black Sea Fleet

Operators & Related Equipment

Two Project 636 and eight Project 636M boats built in Russia
Ordered in the fall of 2007
Six boats being built for the Black Sea fleet and another six boats ordered in May 2016 for the Pacific fleet.
20196Black Sea Fleet (6)
20186Black Sea Fleet (6)
20176Black Sea Fleet (6)
20153Black Sea fleet (2)
Sep 20141
Deal worth $2.1 billion ($3.2 billion including coastal infraestructures and other equipment) for the construction of six boats announced in April 2009 and signed by Russia and Vietnam in December 2009. Deliveries are due to start in 2014.
Aug 20154
Apr 20142

Grand Total 376
Defensive Weapons
Offensive Weapons

Project 636 Ship Listing

SerialNameStatusLaunch DateCommissionDecommission
366 -1997-
367 -1998-
368 -2005-
369 -2005-
370 -2005-
371 -2005-
372 -2005-
373 -2006-
374 -2006-
375 -2006-
182 Hanoi28 Aug 2012Apr 2014-
183 Ho Chi Minh-Apr 2014-
184 Hai PhongAug 20131 Aug 2015-
185 Khanh Hoa28 Mar 20141 Aug 2015-
186 -2016-
187 -2016-
B-261 Novorossiisk28 Nov 201317 Sep 2014-
B-237 Rostov-on-DonMay 2014Nov 2015-
B-262 Stary Oskol28 Aug 2014Jun 2015-
Krasnodar2015Jun 2016-
Veliky Novgorod2015Nov 2016-
Kolpino31 May 201624 Nov 2016-
B-274 Petropavlovsk-Kamchatsky-2020-
VolkhovDec 20192020-
#11 -2022-
#12 -2022-

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