| | Rescue ships
Project
527NATO: Prut
Class
Completed 9
units
Ships Project 527 – Nikolaev,
Shipyard ¹445 named after 61 kommunara (from 1962 Shipyard ¹445 named after 61
kommunara) – 8 units
| Name |
Yard ¹ |
Laid Down |
Launched |
Commissioned |
Note |
| MB-26 |
¹1601 | 27.11.1957 |
1.07.1958 | 31.12.1959 | from
1966 - SS-26, from 1989 - EPRON | | MB-21 |
¹1602 | 27.11.1957 |
- | 30.09.1960 | from
1966 - SS-21 | | MB-23 |
¹1603 | - |
- | 29.12.1960 | from
1966 - SS-23 | | MB-11 |
¹1604 | 24.10.1960 |
- | 1961 | from
1966 - SS-44 | | SS-83 |
¹1605 | 30.06.1960 |
- | 1961 | |
| SS-87 |
¹1606 | - |
- | 30.09.1962 | from
1973 - Vladimir Trefolev | | SS-25 |
¹1607 | 28.05.1962 |
- | 31.12.1963 | then
- Zhiguli | | Beshtau |
¹1608 | 1.11.1962 |
3.08.1963 | 27.11.1964 | |
Project 527P – Nikolaev, Shipyard ¹445 named after 61 kommunara (from
1962 Shipyard named after 61 kommunara) – 1 unit
| Name |
Yard ¹ |
Laid Down |
Launched |
Commissioned |
Note |
| SS-22 |
¹1609 | - |
- | 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
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 ñ 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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