Kilo-class submarine

Russian Black Sea Fleet Improved Kilo–class submarine B-265 Krasnodar in 2015
Class overview
Builders
OperatorsSee Operators
Preceded byTango class
Succeeded byLada class
SubclassesSindhughosh class
Built1980–present
In service1980–present
In commissionDecember 1980–present
Building2
Completed83
Active65
Lost1
Retired16
Preserved1
General characteristics
TypeAttack submarine
Displacement
  • Surfaced: 2,325 (Project 877) – 2,350 (Project 636.3) tons
  • Submerged: 3,075 tons full load (Project 877); 3,950 tons full load (Project 636.3)[1] [2]
Length58.7–83.8 m (192 ft 7 in – 274 ft 11 in)
Beam9.9 m (32 ft 6 in)
Draft6.2 m (20 ft 4 in)
Installed powerDiesel-electric
Propulsion
  • Diesel-electric propulsion
  • 2 × 1000 kW diesel generators
  • 1 × 5,500–6,800 shp (4,100–5,100 kW) propulsion motor
  • 1 × fixed-pitch 6-bladed (Project 877) or 7-bladed (Project 636) propeller
Speed
  • Surfaced: 17 knots (31 km/h; 20 mph)
  • Submerged: 20 knots (37 km/h; 23 mph)
Range
  • With snorkel: 6,000–7,500 nmi (11,100–13,900 km; 6,900–8,600 mi) at 7 kn (13 km/h; 8.1 mph)
  • Submerged: 400 nmi (740 km; 460 mi) at 3 kn (5.6 km/h; 3.5 mph)
  • Full run: 12.7 nmi (23.5 km; 14.6 mi) at 21 kn (39 km/h; 24 mph)
Endurance45 days
Test depth
  • Operational: 240 m (790 ft)
  • Maximum: 300 m (980 ft)
Complement52
Armament
Russian Project 877 in the English Channel in 2018
A Russian Kilo-class submarine underway on the surface

The Kilo-class submarines are a group of diesel-electric attack submarines designed by the Rubin Design Bureau[1][3][4] in the Soviet Union in the 1970s and built originally for the Soviet Navy.

The first version had the Soviet designation Project 877 Paltus (Russian: Па́лтус, meaning "halibut"), NATO reporting name Kilo.[5] They entered operational service in 1980 and continued being built until the mid-1990s, when production switched to the more advanced Project 636 Varshavyanka variant, also known in the West as the Improved Kilo class.[6][7][8] The design was updated again by the Russian Navy in the mid-2010s, to a variant called Project 636.3, also known as Improved Kilo II.[5]

  1. ^ a b Gady, Franz-Stefan (7 October 2019). "New Russian Attack Sub Enters Sea Trials". The Diplomat.
  2. ^ https://pp.userapi.com/c639327/v639327924/38091/NS2cZmDNPqM.jpg
  3. ^ a b "АПЛ Проекта 636.3" [Project 636.3 Nuclear Submarine]. pp.userapi.com (in Russian). Archived from the original on 30 August 2017. Retrieved 30 August 2017.
  4. ^ Cite error: The named reference diplomat20191122 was invoked but never defined (see the help page).
  5. ^ a b Tomasz Grotnik (14 October 2024). "Russia launches Final Project 636.3 Submarine for Pacific Fleet". Naval News.
  6. ^ Gardiner, Chumbley and Budzbon (1995), pp. 408-409.
  7. ^ "Algeria Navy may receive 2 new Russian Improved Kilo-class submarines". Army Recognition. 8 August 2023.
  8. ^ Darman (2004), p. 46.