Project 667A Navaga

Project 667A

NATO: Yankee I

Project 667A Navaga

Type SSBN
Soviet designation PLARB
NATO reporting name Yankee I
Country USSR
Displacement (t) 10,020
Length (m) 128.0
Beam (m) 11.7
Draft (m) 7.9
Height (m) 11.7
Max speed submerged (kn) 27.0
Max speed surfaced (kn) 15.0
Max safe depth (m) 320
Endurance (days) 70
Propeller 2 x 5 bladed propellers
Nuclear reactors 2
Titanium hull No
Navigation system Sigma-667 (Automatic Dead Reckoning)
Class year 1967

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
MRP-21 Zaliv-P — — —
RLK-101 Albatros Snoop Tray 1 — Yes —
Zavesa-P — — —

Launchers (4)

Name Tubes Fire control Max launch depth (m)
400mm Torpedo Tube (forward) 2 Brest-667A 250
533mm Torpedo Tube (forward) 4 Brest-667A 100
Missile Launcher 16 D-5 FCS 60
VIPS 2 — 250

Extendable devices (11)

Name NATO name Capabilities Max depth (m) Max speed (kn)
Iva-M Radio Antenna — Radio (VLF, LF, MF, HF, VHF) — 7.5
MRP-21 Zaliv-P ESM — ESM — 7.5
MT-70-8 Periscope (Television) — — — 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
RLK-101 Albatross Radar — Radar — 7.5
Saiga Radiosextant — Radio sextant — 7.5
VAN-S Radio Antenna — Radio (LF, MF, HF), Radio navigation — 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 (27)

Name Short name Country Start date End date Remark
K-137 K-137 USSR 1967-05-11 (Commissioned) 1984-01-06 (Convert to Project 667AU)
K-140 K-140 USSR 1967-12-30 (Commissioned) 1972-11-04 (Convert to Project 667AM)
K-207 K-207 USSR 1968-12-30 (Commissioned) 1992-06-07 (Decommissioned)
K-210 K-210 USSR 1969-08-06 (Commissioned) 1992-06-07 (Decommissioned)
K-214 K-214 USSR 1971-12-31 (Commissioned) 1979-04-26 (Convert to Project 667AU)
K-216 K-216 USSR 1968-12-27 (Commissioned) 1992-06-07 (Decommissioned)
K-236 K-236 USSR 1970-12-27 (Commissioned) 1979-11-23 (Conversion to Project 667AT, not completed)
K-241 K-241 USSR 1972-10-23 (Commissioned) 1984-04-23 (Convert to Project 667AU)
K-245 K-245 USSR 1971-12-16 (Commissioned) 1976-01-01 (Convert to Project 667AU)
K-249 K-249 USSR 1969-09-27 (Commissioned) 1992-06-07 (Decommissioned)
K-253 K-253 USSR 1969-10-28 (Commissioned) 1984-05-17 (Convert to Yankee Notch)
K-258 K-258 USSR 1972-09-30 (Commissioned) 1974-12-01 (Convert to Project 667AU)
K-26 K-26 USSR 1968-03-09 (Commissioned) 1983-11-13 (Convert to Yankee Notch)
K-32 K-32 USSR 1968-10-26 (Commissioned) 1999-02-15 (Decommissioned)
K-389 K-389 USSR 1971-11-25 (Commissioned) 1990-04-19 (Decommissioned)
K-395 K-395 USSR 1969-12-05 (Commissioned) 1988-06-24 (Convert to Yankee Notch)
K-399 K-399 USSR 1969-12-24 (Commissioned) 1982-01-18 (Conversion to Project 667AT, not completed)
K-403 K-403 USSR 1971-08-12 (Commissioned) 1979-04-19 (Convert to Project 667AK Akson, acoustic systems trials)
K-408 K-408 USSR 1969-12-25 (Commissioned) 1983-07-08 (Convert to Yankee Notch)
K-411 K-411 USSR 1970-08-31 (Commissioned) 1990-01-07 (Decommissioned)
K-415 K-415 USSR 1970-12-30 (Commissioned) 1988-07-17 (Decommissioned)
  • Red Banner Northern Fleet: 1970-12-30 – 1972-04-08
  • Red Banner Pacific Fleet: 1972-04-08 – 1988-07-17 (Decommissioned)
K-418 K-418 USSR 1970-09-22 (Commissioned) 1989-03-17 (Decommissioned)
K-420 K-420 USSR 1970-10-29 (Commissioned) 1979-07-12 (Convert to Yankee Sidecar)
K-423 K-423 USSR 1971-11-13 (Commissioned) 1978-10-16 (Convert to Yankee Notch)
K-426 K-426 USSR 1970-12-22 (Commissioned) 1990-04-19 (Decommissioned)
K-434 K-434 USSR 1970-05-29 (Commissioned) 1989-03-17 (Decommissioned)
K-444 K-444 USSR 1972-12-09 (Commissioned) 1982-09-15 (Modernization to "Project 667AU Nalim")