| | Expeditionary oceanographic
vessels
Project 850NATO:
Nikolay Zubov Class
Completed 11
units
Ships Szczecin, Poland
| Name |
Yard ¹ |
Laid Down |
Launched |
Commissioned |
Note |
| Nikolay Zubov |
¹850/1 | 16.07.1962 |
30.05.1963 | 26.03.1964 | |
| Alexey Chirikov |
¹850/2 | 10.10.1963 |
8.04.1964 | 30.09.1964 | |
| Fedor Litke |
¹850/3 | 2.04.1964 |
1.08.1964 | 23.12.1964 | |
| Vasiliy Golovnin |
¹850/4 | 2.07.1964 |
31.10.1964 | 25.04.1965 | |
| Gavriil Sarychev |
¹850/5 | 11.08.1964 |
29.12.1964 | 30.06.1965 | |
| Faddey Bellinsgauzen |
¹850/6 | 6.02.1965 |
30.06.1965 | 29.11.1965 | |
| Khariton Laptev |
¹850/7 | 29.03.1965 |
31.07.1965 | 26.12.1965 | |
| Semen Dezhnev |
¹850/8 | 1.06.1965 |
7.10.1965 | 21.05.1966 | |
| Andrey Vilkitskiy |
¹850/9 | 9.10.1965 |
23.02.1966 | 30.07.1966 | since 1995 - PKZ-4 | | Semen
Tchelyuskin | ¹850/10 |
5.01.1966 | 21.04.1966 |
31.10.1966 | |
| Boris Davydov |
¹850/11 | 26.02.1966 |
29.06.1966 | 21.01.1967 | |
General characteristics - Project
850
| Displacement (tons): | | Standard: | 2420 |
| Full load: | 3090 |
| Dimensions (m): | | Length: | 89,7 |
| Beam: | 13 |
| Draft: | 4,75 | | Speed
(knots): | 16,3 | | Range: | 11000
nmi (14,2 knots), 8800 nmi (16,3 knots) | | Autonomy
(days): | 60 | | Propulsion: | 2x2400
hp Zgoda-Sulzer 8TD-48 diesels, 2 fixed pitch propellers, 3x320 kW diesel-generators,
1x50 kW diesel-generator | | Electronics: | Don
navigation radar | | Complement: | 70+26 |
Schematics 
Expeditionary
oceanographic vessel - Project 850
Modernizations Project
850A Rapan - in Nikolaev, Shipyard named after 61 kommunara.
Medium intelligence
ship: Project 850M – 3 units: Gavriil Sarychev, Semen Tchelyuskin, Khariton Laptev
in 1966. 2460/3240 tons, draft 4,8 m, 13500 nmi (14,2 knots), crew - 127, 120
days, Don navigation radar, special electronics: Vakhta-M, 8, 10, 12, Vizir-M,
Vitok-AK, Konus-ZK, MGK-345 Bronza, Pamyat sonar, GIA-201
Barraks ship – 1
unit: PKZ-4 (Andrey Vilkitskiy)
On Alexey Chirikov in 1967 added Don second
navigation radar
Fleets Baltic
Fleet: Andrey Vilkitskiy (then Northern Fleet), Vasiliy Golovnin (since 1974 Black Sea Fleet), Nikolay Zubov
Black Sea Fleet: Gavriil
Sarychev (since 1966 Pacifc Fleet), Semen Tchelyuskin (since 02.1977 Pacifc
Fleet), Faddey Bellinsgauzen
Northern Fleet: Boris Davydov, Semen
Dezhnev, Khariton Laptev
Pacifc Fleet: Alexey Chirikov, Fedor Litke
Hull Numbers Gavriil Sarychev: Ëîñîñü, ÑÑÂ-468(1979)
Semen
Tchelyuskin: ÑÑÂ-469(1979)
Khariton Laptev: ÑÑÂ-503(1979)
Decommissioned 1992 – Khariton Laptev (19.03)
1993 – Gavriil
Sarychev (30.06), Semen Tchelyuskin (30.06)
1994 – Alexey Chirikov, Vasiliy
Golovnin (since 02.1995 Ukraine cargo-passengers ship Svyatoy Nikolay OOO VSV,
since 1999 passengers ship Geroi Sevastopolya ChP Sudostroenie, to scrap 10.2011)
1995 – Nikolay Zubov, Faddey Bellinsgauzen (Ukraine, cargo-passengers ship Omega
OOO "Akar", since 10.2005 Comoros Islands Omega-G GRANADA LOGISTICS,
to scrap 21.06.2012)
1996 – Fedor Litke (31.07)
2005 – Boris Davydov,
Semen Dezhnev
2009 – Andrey Vilkitskiy
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