Large submarines - Project 677

Completed

2 + 4 units

Ships

Project 677 – Admiralteyskie verfi, St. Petersburg – 2+3 units

Name	Yard №	Laid Down	Launched	Commissioned	Note
B-585 St. Petersburg	№01570	26.12.1997	28.10.2004	22.04.2010
B-586 Kronshtadt	№01571	28.07.2005	20.09.2018	24.01.2024
B-587 Sevastopol	№01572	10.11.2006	23.12.2022	-	under construction, from 27.01.2012? - B-587 Velikie Luki
Vologda	01573	12.06.2022	-	-	under construction
Yaroslavl	№01574	12.06.2022	-	-	under construction

Project 677E – Admiralteyskie verfi, St. Petersburg – 0+1 unit

Name	Yard №	Laid Down	Launched	Commissioned	Note
B-	-	26.12.1997	-	-	under construction

General characteristics - Project 677

Displacement (tons):
Surfaced:	1450 (Project 677E - 1765)
Submerged:	2100 (Project 677E - 2650)
Dimensions (m):
Length:	58 (Project 677E – 66,8)
Beam:	7,2 (Project 677E – 7,1)
Draught:	4,8
Speed (knots):
Surfaced:	11 (Project 677E – 10)
Submerged:	18 (Project 677E – 21)
Range:
Surfaced:	-
Under snorkel:	4000 nmi (7 knots) (Project 677E - 4000 nm)
Submerged:	650 nmi (3 knots) (Project 677E - 650 nmi (3 knots))
Diving depth (m):
Operational:	200 (Project 677E – 300)
Maximum:	250
Endurance (days):	30 (Project 677E – 45)
Propulsion:	1x2700 hp PG-102M electric motor (Project 677E – 1x5575 hp), 2x140 hp electric motors, 1 fixed pitch propeller, 2 thrusters
Armament:	6 533 mm bow torpedo tubes (16 53-56B, SET-53M torpedoes or 22 DM-1 mines) 6x1 Igla-1M SAM system (6 missiles) – Project 677E
Electronics:	KRM-66 Kodak radar complex, Lira sonar complex, Litiy combat information control system
Complement:	34 (Project 677E – 35)

Schematics

Large submarine - Project 677

Modernizations

Unrealized modifications: Project 677M – with anaerobic power plant

Fleets

Baltic Fleet: B-585 St. Petersburg (from 10.2012 Northern Fleet)
Northern Fleet: B-586 Kronshtadt

Hull Numbers

B-585 St. Petersburg: 477(2021)
B-587 Sevastopol: 454(2023)

Decommissioned

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Export

China: plan 4 units
Project 677E