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SA-11 GADFLY
9K37M1 BUK-1M

The SA-11 GADFLY is a medium-range, semi-active, radar-guided missile using solid-rocket propulsion that provides defense against high-performance aircraft and cruise missiles. The SA-11 represents a considerable improvement over the earlier SA-6 GAINFUL system, and can engage six separate targets simultaneously, rather than the single target capability of the SA-6. Single-shot kill probability are claimed to be 60-90% against aircraft, 30-70% against helicopters, and 40% against cruise missiles, a significant improvement over the SA-6. The system is more mobile, taking only about 5 minutes to move from road march to engagement. The new system also offers significantly greater resistance to ECM than previous systems. The SA-11 system is comprised of the TELAR (9A310M1), Loader/Launcher (9A39M1), SNOW DRIFT Surveillance Radar (9S18M1), and Command and Control vehicle (9S470M1).

The Mach 3 semi-active homing 9M28M1 missile has a maximum slant range of 28 km and a minimum range of 3 km. It is capable of engaging targets between altitudes of 30 and 14000 m and can sustain 23 g maneuvers. The solid fuel missile is 5.6 meters long with a diameter is 0.4 m and a wing span is 1.2 m. The launch weight is 650 kg, which includes a 70 kg HE warhead with a 17 meter lethal radius.

The SNOW DRIFT warning and acquisition radar provides target height, bearing and range data. The SNOW DRIFT has a detection range of 85 km against high-flying targets, 35 km against targets at an altitude of 100 meters, and 23 km against targets flying nap-of-the-earth (NOE). The radar's tracking range extending from 70 km for high-flying targets to 20 km for NOE targets. Tracking of helicopters hovering at 30 m can be made as far as 10 km. Once a target is identified it is turned over to an TELAR via a data link for tracking and attack. The SNOW DRIFT receives early warning from brigade-level surveillance radars such as the SPOON REST.

The H/I-band FIRE DOME monopulse guidance and tracking engagement radar has an effective guidance range of 3-32 km and an altitude envelope 15 meters to 22 km, and can engage approaching targets moving at a maximum of 3000 km/h (1860 mph). The radar guides as many as three missiles against a single target.

The SA-11 GADFLY system also can be fitted with a supplementary electro-optical sighting system for use in a severe jamming environment, which would overwhelm the normal semi-active radar homing system -- in which case the missile uses radio-command guidance.

The TELAR, based on the GM-569 tracked chassis, carries four ready to fire missiles on a turntable that can traverse a full 360º and FIRE DOME radar. The tracked Surveillance Radar vehicle uses the same chassis and carries the SNOW DRIFT radar. The Command and Control vehicle works in conjunction with the SNOW DRIFT radar. The Loader/Launcher vehicle (LLV) resembles the normal TELAR, but replaces the FIRE DOME fire control radar with a hydraulic crane for reloading 9M38 missiles. The LLV can load itself in rear areas from the 9T229 transporter in 15 minutes, and take those missiles to reload the TELAR in about 13 minutes. The LLV can also launch missiles, though it requires radar guidance from a nearby TELAR.

Specifications

 

SA-11 GADFLY

 

Missile Characteristics:

 

DOI

1979

Status

Standard

Length (m)

5.7

Diameter (m)

0.13

Weight at launch (kg)

55

Propulsion system

 

Booster

Solid

Sustainer

Solid

Launch rails/tubes

2 or 4 canister tubes

Guidance

Semiactive radar homing

Warhead (type)

HE

Performance:

 

Max. velocity (Mach)

3 (est.)

Max. altitude (m)

15,000 (est.)

Min altitude (m)

25-30 (est.)

Operational range (km)

30 (est.)

3 (est.)

Reload time (min)

INA

   

Associated radars

U/I acquistion radar; U/I tracking radar; possible STRAIGHT FLUSH

Recognition:

 
 

  • Variant ZSU-23-4 chassis
  •  

  • 4 missiles mounted side-by-side on launch rails
  •  

  • Entire missile system mounted on turntable
  •    

    Vehicle:

    Tracked, transporter, erector, and launcher (TTEL)

    Sources and Resources



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