Project 667B Murena

Project 667B

NATO: Delta I

Type SSBN
Soviet designation PLARB
NATO reporting name Delta I
Country USSR
Displacement (t) 11,000
Length (m) 139.0
Beam (m) 11.7
Draft (m) 8.4
Height (m) 11.7
Max speed submerged (kn) 25.0
Max speed surfaced (kn) 16.0
Max safe depth (m) 320
Endurance (days) 80
Propeller 2 x 5 bladed propellers
Nuclear reactors 2
Titanium hull No
Navigation system Tobol-B (Inertial Navigation System)
Class year 1972

Sensors

Sonar (8)

Name Type Platform Passive range (km) Active range (km)
MG-25 com sub — —
MG-43 Gorizont ssp — —
MGK-100 Kerch Active Hull sub — 3.4
MGK-100 Kerch Cylindrical Cylindrical sub 1.7 —
MGK-100 Kerch flank array Flank sub 2.1 —
MGK-100 Kerch Mine Detection Mine detection sub — 1.3
MGK-100 Kerch OGS Active Intercept — —
NEL-6 Echo sounder sub — —

Radar (3)

Name NATO name Air search Surface search Fire control
MRK-50 Kaskad — Yes —
MRP-21 Zaliv-P — — —
Zavesa-P — — —

Launchers (4)

Name Tubes Fire control Max launch depth (m)
400mm Torpedo Tube (forward) 2 Brest-667B 250
533mm Torpedo Tube (forward) 4 Brest-667B 250
Missile Launcher 12 — 60
VIPS 2 — 250

Extendable devices (12)

Name NATO name Capabilities Max depth (m) Max speed (kn)
Anis Radio Antenna — Radio (LF, MF, HF), Radio navigation — 7.5
Iva-M Radio Antenna — Radio (VLF, LF, MF, HF, VHF), Radio navigation — 7.5
MRK-50 Kaskad Radar — Radar — 7.5
MRP-21 Zaliv-P ESM — ESM — 7.5
MT-70-8 Periscope (Television) — — — 7.5
Pop-up Camera (VSK) — — — 7.5
PR-14 Astrocorrector periscope — Periscope (astro) — 7.5
PZNG-8M attack periscope — Periscope (attack) — 7.5
PZNS-8 Search periscope — Periscope (observation) — 7.5
RDP — Snorkel — 7.5
Saiga Radiosextant — Radio sextant — 7.5
Zavesa-P RDF — Direction finder — 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

Individual hulls (18)

Name Short name Country Start date End date Remark
K-171 K-171 USSR 1974-12-29 (Commissioned) 1995-03-28 (Decommissioned)
  • Red Banner Northern Fleet: 1974-12-29 – 1976-05-06
  • Red Banner Pacific Fleet: 1976-05-06 – 1995-03-28 (Decommissioned)
K-279 K-279 USSR 1972-12-27 (Commissioned) 1992-03-14 (Decommissioned)
K-366 K-366 USSR 1974-12-30 (Commissioned) 1993-09-28 (Decommissioned)
K-385 K-385 USSR 1973-12-30 (Commissioned) 1994-11-30 (Decommissioned)
K-417 K-417 USSR 1975-12-20 (Commissioned) 1995-01-12 (Decommissioned)
K-447 K-447 USSR 1973-09-30 (Commissioned) 2004-03-05 (Decommissioned)
K-450 K-450 USSR 1973-12-29 (Commissioned) 1993-09-30 (Decommissioned)
K-457 K-457 USSR 1973-12-30 (Commissioned) 1999-04-17 (Decommissioned)
K-460 K-460 USSR 1974-09-20 (Commissioned) 1995-03-28 (Decommissioned)
K-465 K-465 USSR 1974-09-30 (Commissioned) 1994-01-25 (Decommissioned)
K-472 K-472 USSR 1974-11-14 (Commissioned) 1995-03-28 (Decommissioned)
K-475 K-475 USSR 1974-12-23 (Commissioned) 1995-03-28 (Decommissioned)
K-477 K-477 USSR 1975-12-30 (Commissioned) 1995-03-28 (Decommissioned)
K-497 K-497 USSR 1976-10-31 (Commissioned) 1995-03-28 (Decommissioned)
  • Red Banner Northern Fleet: 1976-10-31 – 1977-08-30
  • Red Banner Pacific Fleet: 1977-08-30 – 1995-03-28 (Decommissioned)
K-500 K-500 USSR 1976-12-19 (Commissioned) 2004-03-05 (Decommissioned)
K-512 K-512 USSR 1977-08-18 (Commissioned) 1995-03-28 (Decommissioned)
K-523 K-523 USSR 1977-10-30 (Commissioned) 1995-03-28 (Decommissioned)
K-530 K-530 USSR 1977-12-28 (Commissioned) 1999-04-30 (Decommissioned)