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Rescue ships
Project 527

NATO: Prut Class


Completed

9 units


Ships

Project 527 Nikolaev, Shipyard 445 named after 61 kommunara (from 1962 Shipyard 445 named after 61 kommunara) 8 units

Name
Yard
Laid Down
Launched
Commissioned
Note
MB-26
1601
27.11.1957
1.07.1958
31.12.1959
from 1966 - SS-26, from 1989 - EPRON
MB-21
1602
27.11.1957
-
30.09.1960
from 1966 - SS-21
MB-23
1603
-
-
29.12.1960
from 1966 - SS-23
MB-11
1604
24.10.1960
-
1961
from 1966 - SS-44
SS-83
1605
30.06.1960
-
1961
 
SS-87
1606
-
-
30.09.1962
from 1973 - Vladimir Trefolev
SS-25
1607
28.05.1962
-
31.12.1963
then - Zhiguli
Beshtau
1608
1.11.1962
3.08.1963
27.11.1964
 

Project 527P Nikolaev, Shipyard 445 named after 61 kommunara (from 1962 Shipyard named after 61 kommunara) 1 unit

Name
Yard
Laid Down
Launched
Commissioned
Note
SS-22
1609
-
-
30.12.1965
laid down as Project 527, from 1966 - Altay

Till 1966 - as seagoing tugs.


General characteristics - Project 527

Displacement (tons):
Standard:2610
Full load:3034
Dimensions (m):
Length:89,7
Beam:14,3
Draft:5,2
Speed (knots):18,8
Range:10500 nmi (11,3 knots), 3500 nm(18,8 knots)
Autonomy (days):35
Propulsion:2x3500 hp PG-215 electric motors, 2 fixed pitch propellers, 4x1375 kW 3D100M diesel generators, 2x500 kW diesel generators, 1x100 kW diesel generator
Armament:2x2 57 mm ZIF-31B on MB-11
Electronics:2 Don navigation radars, Pegas-2M sonar, Oredezh`-1 sonar (Project 527P), MG-26 Khosta underwater communication system (Project 527P)
Equipment:

2 diving complexes (4 pressure chambers) - 200 m, 1 diving chamber - 200 m, 1 SK-527 rescue chamber - 200 m (Project 527P - 1 SK-64 "Skafandr" rescue chamber - 500 m), 1 NK-300 observation chamber - 300 m (Project 527P - 1 "Galeazzi" observation chamber- 600 m), 7x220 m3/h fire monitors, 3060 m3/h water pumps

Complement:135

Schematics

Rescue ship - Project 527
Rescue ship - Project 527


Modernizations

Project 527M MB-21, MB-23, MB-26 1.08.1970-29.09.1972, SS-83, 87, Beshtau 1969-76, Nikolaev, Shipyard named after 61 kommunara: ?/3295 tons, draft 5,4 m, 17,8 kts, MGA-6 Kashalot sonar, MGA-1 underwater communication system, 1 SK-64 Skafandr rescue chamber 500 (instead of SK-527), 1 "Galeazzi" observation chamber- 600 m (instead of NC-300), added the working chamber of the RK-680 - 500 m
Project 05275 1 unit: SS-26 in 1989-1990. Was planned to India
On SS-26 added Tiger ROV System
On SS-26 in 2015 was added Panthera Plus ROV System


Fleets

Baltic Fleet: MB-23 (then Pacific Fleet), SS-87 (Northern Fleet)
Black Sea Fleet: MB-26, Beshtau (from 22.04.1975 Baltic Fleet, then Northern Fleet)
Northern Fleet: MB-11, 21 (from 1966 Black Sea Fleet), SS-22
Pacific Fleet: SS-25, 83


Hull Numbers

MB-21: 171


Decommissioned

1972 MB-11 (21.02)
1987 MB-23
1992 MB-21 (7.01, from 27.07.1994 civil rescue ship Podvodnik Marinesko ChMP), SS-83
1993 Beshtau (22.02), SS-25 (30.06)
1995 SS-87 (1.09)


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