Natya Class (Project 266M Akvamarin Class) Russian Ocean Minesweeper
Natya Class
Mine Clearing Vehicle
Other
Basic Information
Name
Natya Class (Project 266M Akvamarin Class) Russian Ocean Minesweeper
Designation
Natya Class
Alternate Designation
Natya Class; Project 266M Akvamarin Class
Equipment Type
Mine Clearing Vehicle
Manufacturer
Sudostroitel'noye Obyedineniye "Almaz" (Sredniy Neva)
Date of Introduction
1970
Description
The Natya Class (Project 266M Akvamarin Class) Russian Ocean Minesweeper were a group of minesweepers built for the Soviet Navy and export customers during the 1970s and 1980s (58 ships were built). The Soviet designation was Project 266M Akvamarin. The ships were used for ocean minesweeping. The design evolved from the Yurka class minesweeper with new demining equipment including more advanced sonar and closed-circuit TV. A stern ramp made recovering sweeps easier. The hull was built of low magnetic steel. To protect against acoustic mines the foundation's main engines and diesel generators were padded with rubber, installation of mechanisms for isolating dampers; installation of flexible inserts in pipes; application of low-noise propellers controlled step large-diameter, as well as the installation of low-noise machinery and equipment. An electrical field compensator was also installed.
Naval & Littoral Specifications
Crew
68
Beam
10.20 m
Draft
3.60 m
Variants
Semen Roshal
Commissioned: 1970
Status: Active
Fleet: INA
Kontr-admiral Pershin
Commissioned: 1970
Status: Active
Fleet: INA
RADIST (ex-Russian KHARKOVSKIY KOMSOMOLETS
Commissioned: 1973
Status: Reserve
Fleet: INA
KOMENDOR
Commissioned: 1974
Status: Active
Fleet: INA
NAVODCHIK
Commissioned: 1974
Status: Reserve
Fleet: INA
TURBINIST
Commissioned: 1975
Status: Active
Fleet: INA
PULEMETCHIK
Commissioned: 1975
Status: Active
Fleet: INA
MASHINIST
Commissioned: 1975
Status: Active
Fleet: INA
MOTORIST
Commissioned: 1976
Status: Active
Fleet: INA
SNAYPR
Commissioned: 1976
Status: Active
Fleet: INA
VITSE-ADMIRAL ZHUKOV (ex-Russian EHLETRIK)
Commissioned: 1977
Status: Active
Fleet: INA
SVYTAZIST
Commissioned: 1978
Status: Active
Fleet: INA
MARSOVTY
Commissioned: 1986
Status: Active
Fleet: INA
DAL'NOMERSHCHIK
Commissioned: 1987
Status: Active
Fleet: INA
System
Alternative Designation
Natya Class; Project 266M Akvamarin Class
Type
Ocean Minesweeper
Builder
Sudostroitel'noye Obyedineniye "Almaz" (Sredniy Neva), Kolpino, Russia
Crew
68 total (6 Off. + 62 Enl.)
Dimensions
Length
61.0 m
Beam
10.2 m
Draft
3.6 m
Displacement, Standard
750 tons
Displacement, Full Load
873 tons
Propulsion System
Engine Name
M503-3E
Engine Type
2 x Diesel (2 shafts)
Engine Power
5,000 bhp
Propellers
2 x shrouded, controllable-pitch propellers
Maximum Range
5,200 nm
Maximum Speed
18 kts
Endurance
3 days
Minesweeping Equipment
Sonar
1 x MG-7 and 1 x MG-69 Lan-2
Contact Sweep Equipment
1 x VKT-1 mechanical sweep; 1 x AT-2 acoustic sweep; 1 x .SEMT-1 solenoid coil sweep
Automated Mine Warfare System
Yes
Mine Disposal Charges
Yes, 32 x mine-disposal charges in lieu of mines
Mine Trawler Net
Yes, net trawl deployed over the stern ramp
Gun Weapon Systems
Gun Weapon System #1
Name
2 x AK-230 30mm Naval Gun
Type
Naval Gun
Caliber
30 mm
Crew
1
Barrel Length
2,140 mm
Width
865 mm
Height
INA
Weight, Gun Mount
156 kg
Barrels
2 ea
Action
Gas-operated revolver cannon
Elevation
+87° to -12° (50°/sec)
Traverse
±180° (35°/sec)
Rate of Fire (Max)
1,000 rounds/min (Cyclic)
Muzzle Velocity
1,050 m/s
Maximum Firing Range
5,000 m
Effective Firing Range
2,500 m (aerial); 4,000 m (maritime)
Feed System
Belt-fed
Sights
The weapon is remote-directed, typically by a fire-control system linked to either a Drum Tilt or Muff Cobb radar systems.
Gun Weapon System #1 Ammunition
Type
HEI-Frag, Frag-T, API
Caliber
30 mm
Shell Weight
0.39 kg
Basic Load
INA
Gun Weapon System #2
Name
2 x 2M-3M Naval dual-purpose gun
Type
Naval dual-purpose gun
Caliber
25 mm
Crew
1
Barrel Length
2.0 m
Height
INA
Weight, Gun Mount
110 kg
Barrels
2 ea
Action
Gas-operated
Elevation
-10 / +85 degrees
Traverse
360 degrees
Rate of Fire
450 rds/min (Cyclic)
Muzzle Velocity
900 m/s
Effective Firing Range
2,800 m
Feed System
Belt-fed (65 rd belts)
Sights
Optical
Gun Weapon System #2 Ammunition
Type
HE-FRAG, AP, Tracer, Bursting Charge
Caliber
25 mm
Shell Weight
0.644 - 0.672 kg
Basic Load
INA
Missiles
Name
SA-N-5 Grail [9M32M]
Type
Surface to Air Missile
Length
1.42 m
Weight
9.0 kg
Purpose
Anti-air, Stern Chase
Guidance
IR Seeker
Range (Maximum)
18 km
Rocket Weapon System
Name
2 x RBU-1200
Type
Subsurface Rocket
Purpose
Anti-submarine Warfare (ASW)
Length
1.24 m
Weight
72.0 kg
Wing Span
0.25 m
Quantity
5 x Rockets (standard loadout)
Fire Control Systems (FCS)
FCS Name
INA
Computerized FCS
Yes
Integrated Bridge System
Yes
Radar Systems
Navigation Radar
1 x Kivach navigation radar
Fire Control System Radar
1 x Drum Tilt FCS radar
Surface Search
2 x Don 2 Surface / Search
Radar Warning Receiver
1 x Bell Tap radar receiver
Protection
Hull
The hull was built of low magnetic steel.
Countermeasures
INA
NBC Water Washdown System
Yes
Details
Country of Origin
Russia
Category
Naval
Naval
Filter Label
N
Classification
Domain
Naval & Littoral
Equipment Status
Active
Dimensions
Length
61 m
Width
10.2 m
Height
—
Weight
9 kg
Operators (5)
Russia
India
Libya
Syria
Yemen
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