Project 645

NATO: November (mod)

Project 645
Type SSN
Soviet designation PLA
NATO reporting name November (mod)
Country USSR
Displacement (t) 4,380
Length (m) 109.8
Beam (m) 8.3
Draft (m) 5.9
Height (m) 8.3
Max speed submerged (kn) 30.5
Max speed surfaced (kn) 15.2
Max safe depth (m) 241
Endurance (days) 60
Propeller 2 x 6 bladed propellers
Nuclear reactors 1
Titanium hull No
Class year 1960

Sensors

Sonar (7)

Name Type Platform Passive range (km) Active range (km)
MG-10 Kola Cylindrical sub 0.9
MG-13 Svet Active Intercept
MG-15 com sub
MG-200 Arktika Hull sub 1.3
MG-23 Beresta-M ssp
NEL-6 Echo sounder sub
Plutoniy Hull sub 0.9

Radar (3)

Name NATO name Air search Surface search Fire control
ARP-53
MRP-10 Nakat
Prizma Yes

Launchers (2)

Name Tubes Fire control Max launch depth (m)
533mm Torpedo Tube (forward) 8 Toriy 100
Signal Ejector 2 200

Extendable devices (8)

Name NATO name Capabilities Max depth (m) Max speed (kn)
ARP-53 RDF Direction finder 7.5
Attack periscope Periscope (attack) 7.5
Bow hydroplanes Bow hydroplanes 7.5
MRP-10 Nakat ESM ESM 7.5
Prizma Radar Radar 7.5
RDP Snorkel 7.5
Search periscope Periscope (observation) 7.5
VAN Radio antenna Radio (LF, MF, HF), Radio navigation 7.5

Individual hulls (1)

Name Short name Country Start date End date Remark
K-27 K-27 USSR 1963-10-30 (Commissioned) 1968-06-20 (Decommissioned)