Project 667A Navaga

Project 667A

NATO: Yankee I

Project 667AT Grusha

Type	SSGN
Soviet designation	PLARK
NATO reporting name	Yankee Notch
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)	25.0
Max speed surfaced (kn)	15.3
Max safe depth (m)	320
Endurance (days)	70
Propeller	2 x 5 bladed propellers
Nuclear reactors	2
Titanium hull	No
Navigation system	Tobol-AT (Inertial Navigation System)
Class year	1987

Sensors

Sonar (9)

Name	Type	Platform	Passive range (km)	Active range (km)
MG-25	com	sub	—	—
MG-512 Vint	cav	sub	—	—
MG-518 Sever	Echo sounder	sub	—	—
MG-519	Mine detection	sub	—	1.5
MG-553 Zhgut-M	ssp		—	—
MGK-400 Rubikon Active	Hull	sub	—	4.7
MGK-400 Rubikon Cylindrical	Cylindrical	sub	2.1	—
MGK-400 Rubikon flank array	Flank	sub	2.1	—
MGK-400 Rubikon OGS	Active Intercept		—	—

Launchers (3)

Name

Tubes

Fire control

Max launch depth (m)

533mm Torpedo Tube (forward)

6

Brest-667A

100

1985 - present: 2 x 53-65K , 2 x SAET-60M , 0 x SET-65M , 1 x URPK-6 Vodopad-PL (83R) , 1 x URPK-6 Vodopad-PL (84R) , 6 x USET-80

Missile Launcher

8

—

60

1985 - present: 32 x 3M10 Granat

Signal Ejector

2

—

100

Individual hulls (5)

Name	Short name	Country	Start date	End date	Remark
K-253	K-253	USSR	1985-12-20 (Modernization from "Project 667A Navaga")	1992-06-07 (Decommissioned)
K-26	K-26	USSR	1985-01-01 (Modernization from "Project 667A Navaga")	1992-06-07 (Decommissioned)
K-395	K-395	USSR	1991-12-30 (Modernization from "Project 667A Navaga")	—
K-408	K-408	USSR	1984-05-10 (Modernization from "Project 667A Navaga")	—
K-423	K-423	USSR	1987-12-27 (Modernization from "Project 667A Navaga")	—