Project 949 Granit

Project 949

NATO: Oscar I

Type SSGN
Soviet designation PLARK
NATO reporting name Oscar I
Country USSR
Displacement (t) 16,500
Length (m) 143.0
Beam (m) 18.0
Draft (m) 9.0
Height (m) 18.0
Max speed submerged (kn) 32.0
Max speed surfaced (kn) 16.0
Max safe depth (m) 274
Endurance (days) 120
Propeller 2 x 8 bladed propellers
Nuclear reactors 2
Titanium hull No
Navigation system Medveditsa-949M (Inertial Navigation System)
Class year 1980

Sensors

Sonar (10)

Name Type Platform Passive range (km) Active range (km)
MG-35 Shtil com — —
MG-512 Vint-M cav sub — —
MG-518 Sever Echo sounder sub — —
MG-519 Mine detection sub — 1.5
MG-553 Zhgut-M ssp — —
MGK-500 Skat-KS Active Hull sub — 5.1
MGK-500 Skat-KS Cylindrical Cylindrical sub 2.6 —
MGK-500 Skat-KS Flank Flank sub 3.0 —
MGK-500 Skat-KS OGS Active Intercept — —
MGK-500 Skat-KS Towed Towed sub 3.4 —

Radar (3)

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

Launchers (4)

Name Tubes Fire control Max launch depth (m)
533mm Torpedo Tube (forward) 4 — 1,000
650mm Torpedo Tube (forward) 2 — 1,000
Missile Launcher 24 — 0
VIPS 2 — 1,000

Extendable devices (9)

Name NATO name Capabilities Max depth (m) Max speed (kn)
Anis Radio Antenna — Radio (LF, MF, HF), Radio navigation — 7.5
Kora Radio Antenna — Radio (VLF, LF), Radio navigation — 7.5
MRK-55 Chibis radar — Radar, ESM — 7.5
PZNS-10S attack periscope — Periscope (attack) — 7.5
RCP — Snorkel — 7.5
Selena satcom/targeting — Satcom, Satcom target — 7.5
Signal-3 search periscope — Periscope (observation) — 7.5
Sintez satcom/nav — Radio (UHF), Navsat, Satcom — 7.5
Zone RDF — Direction finder — 7.5

Individual hulls (2)

Name Short name Country Start date End date Remark
K-206 K-206 USSR 1983-11-30 (Commissioned) —
K-525 Minsky Komsomolets K-525 USSR 1980-12-30 (Commissioned) —