Project 629

NATO: Golf

Project 629R

Type SSB
Soviet designation PLRB
NATO reporting name Golf I Mod. SSQ
Country USSR
Displacement (t) 3,550
Length (m) 98.9
Beam (m) 8.2
Draft (m) 8.1
Height (m) 8.2
Max speed submerged (kn) 12.5
Max speed surfaced (kn) 14.5
Max safe depth (m) 200
Endurance (days) 70
Propeller 3 x 6 bladed propellers
Diesel-electric Yes
Titanium hull No
Navigation system Most-V-629R (Inertial Navigation System)
Class year 1976

Sensors

Sonar (6)

Name Type Platform Passive range (km) Active range (km)
Beresta ssp — —
MG-10 Kola Cylindrical sub 0.9 —
MG-13 Svet Active Intercept — —
MG-15 com sub — —
MG-200 Arktika Hull sub — 1.3
NEL-5 Echo sounder sub — —

Radar (3)

Name NATO name Air search Surface search Fire control
MRP-10 Nakat — — —
PR-1 — — —
RLK-101 Albatros Snoop Tray 1 — Yes —

Launchers (3)

Name Tubes Fire control Max launch depth (m)
533mm Torpedo Tube (forward) 4 Leningrad-629 100
533mm Torpedo Tube (aft) 2 Leningrad-629 100
Signal Ejector 2 — 100

Extendable devices (8)

Name NATO name Capabilities Max depth (m) Max speed (kn)
Flag Radar — Radar — 7.5
Lira-1 Search periscope — Periscope (observation) — 7.5
MRP-10 Nakat ESM — ESM — 7.5
PR-1 RDF — Direction finder — 7.5
PR-14 Astrocorrector periscope — Periscope (astro) — 7.5
PZN-9 Attack periscope — Periscope (attack) — 7.5
Snorkel — Snorkel — 7.5
VAN Radio antenna — Radio (LF, MF, HF), Radio navigation — 7.5

Towed devices (1)

Name Type NATO name Towed decoy Capabilities Cable (m) Depth (m) Speed (kn)
VVABT Paravan Trailing buoy — — Receive, Radio (VLF) 300 150 – 50 3.0 – 12.0

Notes

Not clear which passive sonar Project 629 is using, maybe Feniks or Tuloma? (Project 629A and 692B use MG-10)

Individual hulls (3)

Name Short name Country Start date End date Remark
K-107 K-107 USSR 1977-12-30 (Modernization from "Project 629") 1991-06-24 (Decommissioned)
K-61 K-61 USSR 1976-12-30 (Modernization from "Project 629") 1989-04-25 (Decommissioned)
K-83 K-83 USSR 1979-06-30 (Modernization from "Project 629") 1988-07-17 (Decommissioned)