Alexadrit Obukhov Class (Project 12700 Class) Russian Minesweeper
Alexadrit Obukhov Class
Mine-Resistant Ambush Protected (MRAP)
Other
Basic Information
Name
Alexadrit Obukhov Class (Project 12700 Class) Russian Minesweeper
Designation
Alexadrit Obukhov Class
Alternate Designation
Alexadrit Obukhov Class; Project 12700 Class
Equipment Type
Mine-Resistant Ambush Protected (MRAP)
Manufacturer
—
Date of Introduction
2016
Description
The Alexandrit-class (Project 12700) mine countermeasures vessels are being built by Sredne-Nevskiy Shipyard, a subsidiary of United Shipbuilding Corporation, for the Russian Navy. The vessels are designed to detect and destroy mines at naval bases and harbors. The keel for the lead vessel in class, Alexander Obukhov (507), was laid at Sredne-Nevskiy Shipyard in St Petersburg, Russia, in September 2011. The vessel was launched in June 2014 and commissioned into the Baltic fleet in December 2016.
Naval & Littoral Specifications
Crew
44
Beam
10.20 m
Draft
2.70 m
Variants
Aleksandr Obukhov
Commissioned: 2016
Status: Active
Fleet: Baltic
Georgiy Kurbatov
Commissioned: 2021
Status: Active
Fleet: INA
Ivan Antonov
Commissioned: 2019
Status: Active
Fleet: Black Sea
Vladimir Yemelyanov
Commissioned: 2019
Status: Active
Fleet: Black Sea
Yakov Balyaev
Commissioned: 2020
Status: Active
Fleet: Pacific
Pyotr Ilyichev
Commissioned: 2021
Status: Active
Fleet: Pacific
Anatoly Shlemov
Commissioned: 2016
Status: Active
Fleet: INA
Lev Chernavin
Commissioned: 2016
Status: Active
Fleet: INA
System
Alternative Designation
Alexadrit Obukhov Class; Project 12700 Class
Type
Minesweeper
Builder
Sredne-Nevsky Shipyard, St. Petersburg, Russia
Almaz Central Marine Design Bureau, St. Petersburg, Russia
Crew
44 ea
Dimensions
Length
61.0 m
Beam
10.2 m
Draft
2.7 m
Displacement, Standard
620 tons
Displacement, Full Load
890 tons
Propulsion System
Engine Name
INA
Engine Type
1 x Diesel
Engine Power
2,500 bhp total
Bow Thrusters
2 x bow thrusters
Maximum Range
16.5 knots
Maximum Speed
1,500 nm at 10 knots
Endurance
10 days
Minesweeping Equipment
Underwater Communication System
Struktura-35 underwater communication system and the Altyn-M and Ruberoid communication systems.
Sonar
Anapa sonar
Contact Sweep Equipment
OUKT-B contact sweep; PKT-B contact sweep; Zhelatin sweep; and ShAT-U acoustic sweep.
Unmanned Underwater Vehicles
The vessel also deploys remotely operated vehicles (ROVs), autonomous underwater vehicles (AUVs), and unmanned surface vessels (USVs).
Automated Mine Warfare System
Yes
Gun Weapon Systems
Gun Weapon System #1
Name
1 x AK-630 30mm CIWS
Type
Close-In Weapon System (CIWS)
Caliber
30 mm
Main Armament
1 or 2 AO-18 autocannons
Secondary Armament
4 x 9A4172 missiles
Crew
1
Barrel Length
1,629 mm
Width
1,240 mm
Height
1,070 mm
Weight, Gun Mount
1,000 kg
Barrels
6
Action
Gas-operated rotary cannon
Elevation
+88° ... -12° (50°/sec
Traverse
±180° (70°/sec)
Rate of Fire
4,000–5,000 rounds/min
Muzzle Velocity
880–900 m/s
Maximum Firing Range
the projectiles self-destruct past 5,000 m
Effective Firing Range
4,000 m (aerial);
5,000 m (maritime)
Feed System
Belt:
2,000 rounds (additional 1,000 rounds in reserve feed bin
Sights
Radar / TV-optical
Gun Weapon Systems #1 Ammunition
Type
HEI-Frag, Frag-T
Caliber
30 mm
Shell Weight
0.39 kg
Basic Load
1,500 Rounds
Missile Weapon System
Launcher
1 x SA-18 Grouse launcher
Missile Name
9M39 Igla short-range missiles
Length
1.574 m
Diameter
72 mm
Weight, Missile
10.8 kg
Weight, Full System
17.9 kg
Weight, Warhead
1.17 kg
Detonation Mechanism
Contact and grazing fuze
Engine
Solid fuel rocket motor
Guidance System
Dual waveband infra-red
Operational Range
5.0 km
Flight Ceiling
3.5 km
Maximum Speed
570m/s
Basic Load
8 x 9M39 Igla short-range missiles carried
Fire Control Systems
FCS Name
1 x SP-520M electro-optical gunfire control system for AK-630
Computerized FCS
Yes
Integrated Bridge System
Yes
Radar Systems
Navigation Radar
1 x PAL-N navigation
Protection
Hull Armor
INA
Countermeasures
INA
NBC Water Washdown System
Yes
Image Sources
Notes
https://www.navalnews.com/naval-news/2020/02/fifth-project-12700-alexandrite-class-mcm-vessel-launched-for-russian-navy/; https://www.navyrecognition.com/index.php/naval-news/naval-news-archive/2019/march/6932-russia-needs-to-increase-its-minesweeping-capabilities.html; https://en.wikipedia.org/wiki/Alexandrit-class_minesweeper;
Details
Country of Origin
Russia
Category
Naval
Naval
Filter Label
A
Classification
Domain
Naval & Littoral
Equipment Status
Active
Dimensions
Length
61 m
Width
—
Height
—
Weight
17.9 kg
Operators (1)
Russia
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