Project 685 Plavnik

Project 685

NATO: Mike

Type SSN
Soviet designation PLA
NATO reporting name Mike
Country USSR
Displacement (t) 7,725
Length (m) 118.4
Beam (m) 11.1
Draft (m) 7.4
Height (m) 11.1
Max speed submerged (kn) 30.0
Max speed surfaced (kn) 18.0
Max safe depth (m) 1,000
Endurance (days) 50
Nuclear reactors 1
Titanium hull Yes
Class year 1982

Sensors

Sonar (9)

Name Type Platform Passive range (km) Active range (km)
MG-512 Vint cav sub
MG-518 Sever Echo sounder sub
MG-519 Mine hunting sub 1.5
MG-553 Zhgut-M ssp
MGK-500 Skat-KS Active Hull sub 5.1
MGK-500 Skat-KS AIR Active Intercept
MGK-500 Skat-KS Cylindrical Cylindrical sub 2.6
MGK-500 Skat-KS Flank Flank sub 3.0
MGK-500 Skat-KS Towed Towed sub 3.4

Radar (1)

Name NATO name Air search Surface search Fire control
MRK-55 Chibis Yes

Launchers (2)

Name Tubes Fire control Max launch depth (m)
533mm Torpedo Tube (forward) 6 1,000
Signal Ejector 2 100

Individual hulls (1)

Name Short name Country Start date End date Remark
K-278 Komsomolets K-278 USSR 1983-12-28 (Commissioned) 1989-04-07 (Decommissioned)