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S-300F Fort


NATO: SA-N-6 Grumble


Overview

S-300F Fort

Top view of S-300F Fort on a Project 1164 Atlant (NATO: Slava) class cruiser. Note the octuple launchers left and 3R41 Volna (NATO: Top Dome) radar on the right.
Source: US Navy - © Public domain

Origin
Soviet Union
Type
Naval SAM system
Entered service
1984
Status
In service
Development
Mid 1970's - Early 1980's
Developer
Soviet Union - Altair (system)
Soviet Union - NIIP (radar)
Soviet Union - Fakel (missiles)
Production
Early 1980's - ?
Producer
Soviet Union
Number produced
8 vessels equipped
Designations
SA-N-6 Grumle (NATO reporting name)
Fort (official nickname)
Russian for "fortress"
Rif (export designation)
Russian for "reef"
Notable users
Soviet Union
Russia

System composition

3R41 Volna fire control radar

Very large and distinctive fire control radar. Has the capacity to track six targets simultaneously which are engaged using two missiles each. Target acquisition is carried out using the ship's main 3D air search radar.

5V55RM missile

Single stage missile with solid propellant rocket motor. Uses radio command guidance towards target area. Switches to track via missile radar homing as guidance mode in terminal phase.

Rotary launcher

Eight missiles are ready to launch per rotary launcher. The missile transport and launch cannisters are suspended below deck. The missiles use a cold start method, being ejected using a gas generator before the rocket motor ignites mid air.

Details

Facts S-300F Fort
General
Origin
Soviet Union
Type
Naval SAM system
Dimensions
Weight
Over 200 t for complete system
Sensors
Air search radar
MR-800 Voskhod 3D air search radar
MR-710 Fregat 3D air search radar
Fire control radar
3R41 Volna
Target tracking
6 targets tracked simultaneously and engaged with up to 12 missiles
Ammunition
Launcher
B-203 and B-204 rotary octuple vertical launch system
Ammunition
64 missiles ready to launch on Project 1164 Atlant (NATO: Slava) class
96 missiles ready to launch on Project 1144 Orlan (NATO: Kirov) class
Missile types
5V55RM
Engagement envelope
Altitude
25 km maximum
10 to 25 m minimum
Range
90 km
5 km minimum

Application

Project 1164 Atlant class

Rear view of Marshal Ustinov, a Project 1164 Atlant (NATO: Slava) class cruiser.
Source: UK MOD - © Open Government License

List of ships with S-300F Fort

Project 1134B Berkut-B class
A single ship, Azov, of Project 1134B Berkut-B (NATO: Kara) class was modified to Project 1134BF standard. This replaced the existing M-11 Shtorm system with S-300F with 3R41 fire control radar.
Project 1164 Atlant class
S-300F Fort on all 3 Project 1164 Atlant (NATO: Slava) class cruisers. 8x8 S-300F in each ship in class.
Project 1144 Orlan class
S-300F on all 4 Project 1144 Orlan (NATO: Kirov) class battlecruisers. 12x8 launchers on first three ships in class. Fourth in class has mixture of 6x8 S-300F and 6x8 S-300FM.

Media

Related articles

S-300FM Fort-M

The S-300FM Fort-M is a further development of the original S-300F Fort naval SAM system.

The Fort-M uses the new longer range 48N6 missiles and the 30N6 fire control radar.

Read more about S-300FM Fort-M