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Small intelligence ships
Type Okean

NATO: Okean Class


Completed

15 units


Ships

East Germany, 1959-61

Name
Yard
Laid Down
Launched
Commissioned
Note
Minoga
-
-
-
1960
then - Barometr
Nerpa
9033
-
06.1959
10.08.1959
then - Ekholot
Nelma
9035
-
06.1959
10.08.1959
then - Krenometr
Tunets
9034?
-
06.1959
31.07.1959
then - Teodolit
Forel
-
-
-
31.12.1959
then - Repiter
Katun
9096
-
-
20.04.1960
then - Traverz
Taymen
9098
-
-
30.06.1960
then - Lotlin
Sazan
9128
-
-
31.08.1960
from 10.1968 - Reduktor
Golavl
9129
-
-
31.08.1960
then - Deflektor, then - SM-353
Yaz
-
-
-
29.12.1960
from 10.1968 - Linza
Gorbusha
9170
-
-
23.02.1961
then - Gidrofon
Syomga
9171
-
14.12.1960
31.01.1961
from 10.10.1968 - Ampermetr
Sevryuga
-
-
-
1959?
then - Alidada
Vitim
-
-
-
1960
then - Barograf, then - SM-346
Treska
-
-
-
-
from 10.1968 - Zond

Converted from trawlers: Golavl (till 1961 SRTR-9129 Osh), Gorbusha (till 1961 SRTR-9170), Karas (till 5.01.1962 SRTR-9128), Katun (till 1960 SRTR-9096), Nelma (till 1959 SRTR-9035), Nerpa (till 1961 SRTR-9033), Syomga (former SRTR-9171), Taymen (till 1961 SRTR-9098), Tunets (till 1959 SRTR-9034?), Serryuga in 1961, Vitim in 1961, Minoga in 1960, Forel 5.01.1962 (former SRTR-9154 Ostrogozhsk (.9154) ?/?/13.12.1960 till 5.01.1962, SRTR-9157 Enisey (9157) ?/?/10.12.1960 till 1961, Dikson, till 1962 SRTR-9167 Ostrovets (9167) ?/?/29.12.1960 till 5.01.1962)


General characteristics - Type Okean

Displacement (tons):
Standard:462
Full load:726
Dimensions (m):
Length:50,8
Beam:8,8
Draft:3,4
Speed (knots):11
Range:7900 nmi (9 knots)
Autonomy (days):40
Propulsion:1x540 hp R8DV-148 diesel, 1 fixed pitch propeller, 1x99 kW diesel generator, 1x64 kW diesel generator, 1x9,5 kW diesel generator
Armament:2x4 Strela SAM system launchers (16 missiles)
2x2 14,5 mm 2M-7 Vitim
Electronics:Machta-P ESM radar system (Minoga), , Stvor navigation radar, Neptun navigation radar
Complement:65 (9 officers, 8 warrant officers)

Schematics

---


Modernizations

Target-ships: SM-346 (Vitim), SM-353 (Deflektor)
Neptun navigation radar was replaced by Don navigation radar (on some ships - 2 Don navigation radars)


Fleets

Baltic Fleet: Gorbusha (from 1961 Pacific Fleet), Sazan, Treska, Yaz
Black Sea Fleet: Sevryuga
Northern Fleet: Katun, Minoga (from 1976 Caspian Flotilia), Nelma, Taymen (from 1980 Baltic Fleet), Tunets, Forel
Pacific Fleet: Vitim, Golavl, Syomga, Nerpa (from 1963 Northern Fleet)


Hull Numbers

Alidada: -165(1961)
Golavl: -97(1962)
Gorbusha: -95(1962)
Zond: -514
Katun: (1962)
Minoga: (1962)
Nelma: (1959), (1962)
Taymen: , -319
Tunets: (1962)
Ekholot: -199(1961)


Decommissioned

1979 Gorbusha
1983 Vitim, Golavl, Syomga
1984 Nelma, Tunets (july)
1986 Katun, Repiter, Sevryuga
1989 Ekholot
1990 Linza (19.04)
1992 Reduktor (19.03)
1993 Taymen (30.06)


Export

Azerbaijan: 1 unit
Minoga in 09.1992

East Germany: 1 unit
Hydrographic survey ship Hydrograph D-21, then D-41 (401) ?/?/31.01.1961. Converted into intelligence ship 28.11.1961, decommissioned 27.05.1983

 
   

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