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Large rescue submarine
Project 940 Lenok

NATO: India Ñlass


Completed

2 units


Ships

Shipyard named after Leninskogo komsomola, Komsomolsk-on-Amur

Name
Yard ¹
Laid Down
Launched
Commissioned
Note
S-486
¹194
22.02.1974
7.09.1975
30.06.1976
from 3.08.1977 - BS-486, from 9.06.1980 - BS-486 Komsomolets Uzbekistana, from 15.02.1992 - BS-486
S-257
¹195
23.02.1978
27.05.1979
1.09.1979
from 3.08.1977 - BS-257


General characteristics - Project 940

Displacement (tons):
Surfaced:3950
Submerged:5095
Dimensions (m):
Length:106
Beam:9,7
Draught:7,4
Speed (knots):
Surfaced:12,5
Submerged: 15
Range:
Surfaced:5000 nmi (12,5 knots)
Under snorkel:-
Submerged:85 nmi (4 knots)
Diving depth (m):
Operational:240
Maximum:300
Endurance (days):45
Propulsion:2x4000 hp 1D43 diesels, 2x3550 hp PG-14 electric motors1, 2x190 hp PG-104 electric motors, 2õ50 hp PG-103K electric motors, 2 fixed pitch propellers in nozzles, 1 bow and 1 stern thrusters, 1x1300 kW 2D42 diesel-generator
Armament:2 Project 1837 rescue submersibles
Electronics: MRK-50 «Kaskad» radar complex, «Nakat» ESM Radar system, «Khrom-KM» IFF, MG-10M2 «Kola» noise detection sonar, «Plutoniy» mine detection sonar, 2 MGA-5 underwater communications systems (then «Krilyon»), MGA-1 underwater communications system, MGV-55 underwater communications system, MG-15 «Sviyaga», MG-25, «Gamma-P», MG-23, «Most» navigation complex
Complement:94 (17 officers)

Schematics

Large rescue submarine - Project 940

Large rescue submarine - Project 940


Modernizations

«Nakat» ESM Radar system was replaced by MRP-25
«Khrom-KM» IFF was replaced by «Parol`-301»
«Plutoniy» mine detection sonar was replaced by MG-519 «Arfa-M»
Added MGA-19 «Krilyon» sonar
Additionally equipped for maintenance of work with Project 1837K, Project 1839, Project 1855, Project 18270


Fleets

Northern Fleet: S-257
Pacific Fleet: S-486


Hull Numbers

S-257: 223, 435(1991), 417(1997)
S-486: 511(1977)


Decommissioned

1994 – S-486 (17.12)
1999 – S-257


Export

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