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9P149 Shturm-S


NATO: AT-6 Spiral


Overview


9P149 Shturm-S

9P149 Shturm-S with launcher in the firing position.
Source: www.oplatsen.wordpress.com - © copyright lies with original owner

Origin
Soviet Union
Type
Tank destroyer
Entered service
1979
Status
In service
Development
1970 - mid 1970's
1978 (Soviet state trials)
Developer
Soviet Union - KBM Kolomna
Production
1978 - ?
Producer
Soviet Union
Number produced
Over 1.000
Designations
AT-6 Spiral (NATO reporting name)
9P149 (GRAU index)
Notable users
Soviet Union
Russia
Belarus

Description


Introduction

The 9P149 is a tank destroyer of Soviet origin. It was developed to supplement the BRDM-2 based tank destroyers in Soviet service. A more capable tank destroyer was desired with the advent of new Western tank such as the M1 Abrams and Leopard 2. The 9P149 uses the same 9M114 Shturm anti-tank missiles as used on the Mi-24 attack helicopter.

Layout

The 9P149 is based on the chassis of the MT-LB tracked armored personnel carrier. The troop compartment is occupied by a single round retractable pedestal launcher that is connected to an automatic loader. Instead of the small machine gun turret a large optical tracker is fitted. Only early model Shturm missiles can be launched since the improved models are too long for the automatic loader in the 9P149. With the launcher retracted the 9P149 looks very similar to the MT-LB and can be identified by the optical tracked instead of the small one man turret.

Firepower

The 9P149 uses the high velocity radio frequency guided 9M114 Shturm missile. The maximum range of the missile is 5 km and most modern tanks can be effectively engaged. The newer and longer range 9M120 Ataka missile can also be used. The rate of fire is 2 to 4 rounds per minute, with a total of 12 missiles carried. The 9P149 cannot fire on the move. There is no secondary armament for self-protection.

Mobility

Being based on the MT-LB chassis the 9P149 is a very mobile system. It has good performance on both roads and in very difficult terrain. The low ground pressure makes it ideal for use in swamps and snow. The diesel engine provides up to 290 hp and allows for a maximum speed of 65 km/h. The 9P149 is fully amphibious.

Protection

The steel armor provides all around protection against small arms and shell splinters. The 9P149 is vulnerable to any heavier type of armament. An NBC system is standard but smoke grenade launchers are lacking. The low silhouette and high speed of the Shturm missile are the main factors that determine the survivability of the 9P149.

Users

The 9P149 is primarily used by ex-USSR nations with the premier user being Russia. The accuracy, velocity and powerful warhead made the 9P149 able to effectively engage modern Western tanks. The 9P149 is not as widely distributed as tank destroyers based on the BRDM-2 chassis, since it is a more advanced and expensive system.

Photos


9P149 Shturm-S

Forward view of 9P149 with launcher in raised position.
Source: www.acemodel.com.ua - © copyright lies with original owner

Components

MT-LB
The 9P149 is based on the chassis of the MT-LB. This chassis was developed to serve as both an armored personnel carrier and artillery tractor.
The 9P149 is a launch platform for the 9M114 missile. This is a radio guided missile that flies much faster than previous Soviet anti-tank missiles. The NATO reporting name is AT-6 Spiral.
The newer 9M120 missile can also be used on the 9P149 vehicles that have been modernized to 9P149M standard. The NATO reporting name is AT-9 Spiral.
Facts 9P149 Shturm-S
General
Origin
Soviet Union
Type
Tank destroyer
Crew
2 (driver, gunner)
Dimensions
Weight
12.3 t combat load
Length
6.45 m
Width
2.85 m
Height
1.87 m incl launcher
Main armament
Type
9M114 anti-tank guided missile
Mount
Retractable launcher with automated reloading
Ammunition
12 missiles, 1 ready to launch
Elevation
-2 to +15°, powered
Traverse
-85 to +85°, powered
Stabilizer
No
Chassis
Chassis type
Tracked chassis, 6 roadwheels
Drive sprocket front and idler rear
Track on ground
3.7 m
Track link width
0.35 m
Ground pressure
0.48 kg/cm²
Suspension
Torsion bar
Automotive
Engine
YaMZ-238V V8 diesel
Power output
240 hp at 2.100 rpm
Transmission
Manual, 6 forward, 1 reverse
Fuel
450 L
Mobility
Speed
62 km/h on road
9 km/h afloat
Range
500 km on road
Power to weight ratio
19.5 hp/t
Obstacle crossing
Ground clearance
0.4 m
Wall
0.6 m
Trench
2.4 m
Gradient
60 %
Slope
30 %
Fording
Amphibious
Protection
Armor type
Steel
Armor thickness
7 to 14 mm
NBC system
Yes, overpressure
Smoke system
No
Equipment
Night vision
Yes

Media