Project 1141 Sokol class
NATO: Babochka
Overview
Project 1141 Sokol class
Project 1141 Sokol (NATO: Babochka) class small anti-submarine warfare vessel seen at speed with hydrofoil in use.
Source: Unknown author -
© Copyright lies with original owner
Origin
Soviet Union
Type
Anti-submarine hydrofoil patrol craft
Service life
1977 - 1994
Status
Out of service
Development
Early 1970's
Developer
Soviet Union
Production
1974 - 1977
Producer
Soviet Union
-
Gorky shipyard, Zelenodolsk
Unit cost
Unknown, deemed to expensive/complex for mass production
Number produced
1
Designations
Babochka (NATO reporting name)
Notable users
Soviet Union
Russia
Russia
Details
Facts
Project 1141 Sokol class
General
Origin
Soviet Union
Type
Hydrofoil anti-submarine warfare vessel
Complement
36 to 37, including 4 to 5 officers
Dimensions
Displacement
465 t full load
349 t standard
Length
50.2 m
Beam
9.76 m hull
20 m over hydrofoil wings
Draft
2.2 m hull
6.9 m hydrofoil wings
7.2 m propeller nacelles
Propulsion
Arrangement
CODOG
Machinery
3x M10A or M10B gas turbines, 18.000 hp each
2x DRA-211 diesels, 1.100 hp each
Power output
54.000 hp using gas turbines
Propulsion
3 nacelles with two propellers each (gas turbines)
2 pump jets (diesels)
Mobility
Speed
52 knots maximum with wave heights up to 4 m
67 knots achieved in tests
7 or 8 knots using water jets
Range
850 nm at 50 knots
2.000 nm at 8 knots
Autonomy
7 days
Sensors
Surface search radar
MR-220 Reyd
Sonar
Sheksna system (MG-329 hull mounted plus MGS-407K towed array)
Fire control radar
MG-123-01 Vympel-A (for AK-630M)
Systems
Fire control system
MVU-226 Gangut-1141
Power supply
2x 200 kW diesel generator
Guns
CIWS
2x 30mm AK-630M
ASW
Torpedo tubes
2x4 ChTA-40-1141 400mm tubes (removed in 1990)
Torpedo types
400mm MGT-3 or SET-72
ASW rocket
2x4 RPK-9 Medvedka (after 1991 refit) with 87R missiles with MGT-1U torpedo payload
Related articles
30mm AK-630
For self-defense two AK-630M turrets are fitted. These feature a six barrel 30mm autocannon that can be used with eighter radar or manual guidance against aerial targets, surface targets and incoming anti-ship missiles.