Kilo-class submarine
Diesel electric submarine class / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Kilo-class submarine?
Summarize this article for a 10 years old
The Kilo class, Soviet designation Project 877 Paltus (Russian: Па́лтус, meaning "halibut"), NATO reporting name Kilo, is a class of diesel-electric attack submarines originally designed in the 1970s and built in the Soviet Union for the Soviet Navy. The initial version of Kilo submarines entered operational service in 1980 and were built until the mid-1990s.
![]() Russian Black Sea Fleet's B-265 Krasnodar Improved Kilo-class submarine in 2015. | |
Class overview | |
---|---|
Builders | |
Operators | See Operators |
Preceded by | Tango class |
Succeeded by | Lada class |
Subclasses | Sindhughosh class |
Built | 1980–present |
In service | 1980–present |
In commission | December 1980–present |
Building | 3 |
Completed | 73 |
Active | 64 |
Lost | 1 |
Retired | 16 |
Preserved | 1 |
General characteristics | |
Type | Attack submarine |
Displacement |
|
Length | 70.0–73.8 m (229 ft 8 in – 242 ft 2 in) |
Beam | 9.9 m (32 ft 6 in) |
Draft | 6.2 m (20 ft 4 in) |
Installed power | Diesel-electric |
Propulsion |
|
Speed |
|
Range |
|
Endurance | 45 days |
Test depth |
|
Complement | 52 |
Armament |
|


Production was switched to the more advanced Project 636 Varshavyanka (Russian: Варшавянка, meaning "Varsovian (inhabitant of Warsaw; feminine)") variant in the mid-1990s, also known as Improved Kilo class in the West.[citation needed] The class was updated again by the Rubin Design Bureau in the mid-2010s and called the Project 636.3.[2][1][3]