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667BD DELTA II

The 667BD was primarily developed to increase the number of missiles on strategic submarines. Its development was approved in June 1972 under the direction of the Rubin Central Design Bureau for Marine Engineering. The 667B Delta I served as the basis for the main design features. The pressure hull was lengthened by 16 meters in the area of the fourth and fifth compartments where four additional missile tubes were located. The displacement increased in 1,500 tons, and the full speed decreased 1 knot.

The 667BD submarines are equipped with the D-9D launch system and 16 R-29DD missiles. During the development of the new ballistic missile submarine several measures were applied to decrease the radiated noise level. The steam turbines include a two-spool system of shock-absorbers, the pipelines and hydraulic devices are isolated from the hulls and a new hydroacoustic coating was applied.

The first 667BD entered the Navy on 30 September 1975. Between 1973 and 1975 four submarines of this project were constructed at the Northern machine-building enterprise in Severodvinsk. The 667BD submarines formed part of the 3rd flotilla of submarines of the Northern fleet based in the Yagyelnaya bay. In 1996 one submarine was removed from operational status.

It is anticipated that all 667BD submarines will be decommissioned in compliance with the provisions of the START-1 treaty.

The Nunn-Lugar Cooperative Threat Reduction program is scheduled to dismantle 25 Delta-class, five Typhoon-class, and one Yankee-class ballistic missile submarines capable of launching over 400 missiles with over 1,700 warheads, by the year 2003. As of September 1999 US specialists had helped disassemble one Yankee- and six Delta-class submarines, while the Russians had destroyed another five ballistic missile subs on their own using American equipment.

Specifications
Soviet Designation	667B Murena	667 BD Murena-M
US-Designation	Delta I	Delta II
Development began	1965	November 1967
Design Bureau	Central Design Bureau for Marine Engineering "Rubin"
Chief designer	S.H. Kovalev
Builders	Severodvinsk Komsomol Na Amur	Severodvinsk
Construction and Outfit	1971-1977	1973-1975
Service time	1973-	1975-1996
Number of ships	18	4
Armament	D-9 launch system with 12 R-29 missiles	D-9 launch system with 16 R-29 missiles
	4-533mm torpedo tubes	4-533mm torpedo tubes 2-400mm torpedo tubes
Power Plant	2 pressurized water reactors
	2 steam turbines, 52.000 hp each	2 steam turbines, 55.000 hp each
Length	139 meters	155 meters
Beam	12 meters
Deposit	9 meters
Displacement	9000 m3 Surfaced	10500 m3 Submerged
	11000m3 Surfaced	13000 m3 Submerged
Operating depth	390 meters (design) 450 meters (maximum depth)
Speed	12 knots Surface
	25 knots Submerged	24 knots Submerged
Crew	120 men	130 men
Endurance	80 days

Class Listing
Boat			Shipyard	Chronology				Notes
#	number	Name		Laid Down	Launched	Comm.	Stricken
1	K-182	Shestidesyatiletie Velikogo Oktyabrya	402 Sevmash	04/**/1973	01/**/1975	09/20/1975	----------	11/04/1977 named 1996 in reserve
2	K-92		402 Sevmash	04/**/1973	01/**/1975	12/17/1975	----------	1996 in reserve
3	K-193		402 Sevmash	1974	1975	12/30/1975	1999	12/1997 prepared for decommissioning 1999 dismantled
4	K-421		402 Sevmash	1974	1975	12/30/1975	----------	1996 in reserve 2000 planned to be defuelled

Sources and Resources

• Project 667 BD (Murena M) - Delta-II Class The Russian Northern Fleet Sources of Radioactive contamination Bellona Report by Thomas Nilsen, Igor Kudrik and Alexandr Nikitin
• Russian Strategic Nuclear Weapons, Pavel Podvig, ed., IzdAT, Moscow, 1998, 492 pp. (in Russian). Authors: Oleg Bukharin, Timur Kadyshev, Eugene Miasnikov, Pavel Podvig, Igor Sutiagin, Maxim Tarasenko, Boris Zhelesov
• Pr. #667B/BD 'Murena/-M' NATO Code 'Delta I/II' @ warships1.com
• Russian Submarine List @ Steel in the Deep Submarine Site

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