Project 667BDRM Delfin

Project 667BDRM

NATO: Delta IV

Type SSBN
Soviet designation PLARB
NATO reporting name Delta IV
Country USSR
Displacement (t) 18,200
Length (m) 167.4
Beam (m) 11.7
Draft (m) 10.5
Height (m) 11.7
Max speed submerged (kn) 24.0
Max speed surfaced (kn) 15.4
Max safe depth (m) 320
Endurance (days) 80
Nuclear reactors 2
Titanium hull No
Class year 1986

Sensors

Sonar (9)

Name Type Platform Passive range (km) Active range (km)
MG-512 Vint cav sub
MG-518 Sever echo sub
MG-519 M sub 1.5
MG-553 Zhgut-M ssp
MGK-520 Skat-BDRM Active H sub 5.1
MGK-520 Skat-BDRM AIR air
MGK-520 Skat-BDRM Cylindrical H sub 3.4
MGK-520 Skat-BDRM Flank F sub 3.8
Pelamida Towed Array T sub 3.4

Radar (3)

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

Individual hulls (7)

Name Short name Country Commissioned Decommissioned Remark
K-114 K-114 USSR 1987-10-30
K-117 K-117 USSR 1988-09-30
K-18 K-18 USSR 1989-10-10
K-407 K-407 USSR 1990-11-27
K-51 K-51 USSR 1984-12-28
K-64 K-64 USSR 1986-12-23
K-84 K-84 USSR 1985-12-30