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SA-13 GOPHER
ZRK-BD Strela-10

The SA-13 GOPHER [ZRK-BD Strela-10] is a short-range, low altitude SAM system. The SA-13 missile (9M37) is 2.2 m long, 0.12 m in diameter with a 0.4 m wingspan and has a maximum speed of Mach 2. It carries a 5 kg HE warhead and is fitted with either an improved passive lead sulfide all-aspect infra-red seeker unit, or a cryogenically cooled passive all-aspect infra-red seeker unit. The estimated minimum range of the SA-13 is 500 meters and the maximum effective range of 5000 meters with altitude engagement limits of 10 to 3500 meters.

The SA-13 Strela-10M3 variant is designed to defend troops on the march from low level aircraft and helicopters, precision-guided munitions and reconnaissance RPVs. The major change is the adoption of a dual mode guidance system for the missile seeker - optical 'photo-contrast' and dual band passive IR. The 9M333 missile weighs 42 kg at launch and when in its container-launcher the box-like canister has a total mass of 74 kg. Target acquisition range using the optical 'photo-contrast' channel is between 2000-8000 meters while for the IR channel it is between 2300-5300 meters. Altitude engagement limits are from 10 meter up to 3500 meters at a maximum range of 5000 meters. Average missile speed is 550 m/s. The HE-fragmentation rod warhead weighs 5 kg in total (including 2.6 kg of HE) and uses both contact and active laser proximity fusing systems. The actuation radius of the proximity fuse is up to 4 meters. The dual mode passive optical 'photo-contrast/IR seeker ensures good IR decoy counter-countermeasures discrimination capability and optimum use of the system against extremely low altitude targets and in adverse weather conditions.

The SA-13 incorporates the range-only HAT BOX radar which provides the operator the targets range to the system to prevent wastage of missiles outside the effective range of the system. The HAT BOX circular parabolic radar antenna is located between the two pairs of missile canisters.

There are two versions of the SA-13 transporter erector launcher and radar (TELAR). The TELAR-1 carries four FLAT BOX B passive radar detection antenna units, one on either corner of the vehicle's rear deck, one facing aft and one between the driver's vision ports at the front, whereas the TELAR-2, which is used by the SA-13 battery commander, has none. The SA-13 TELAR is a modified MT-LB amphibious armored tracked vehicle with the machine-gun turret removed. The launcher pedestal mounted to the rear of center of the vehicle is 360 traversable. It incorporates the operators position behind a large, rectangular window at its base.

Normally the TELAR carries four ready to fire SA-13 missile container-launchers and eight reloads in the cargo compartment but it can also carry either SA-9 GASKIN container-launcher boxes in their place or a mixture of the two. This enables the the cheaper SA-9 (Strela-1) to be used against the easier targets and the more expensive and sophisticated SA-13 (Strela-10) against the difficult targets. The missile mix also allows a choice of infra-red (IR) seeker types on the missiles for use against extremely low altitude targets and in adverse weather.

Specifications

Contractor
Entered Service
Total length
Diameter
Wingspan
Weight
Warhead Weight
Propulsion
Maximum Speed
Effective range 600-5000 meters
Altitude 10-3500 meters
Guidance mode IR homing, cooled seeker, dual frequency
Single-shot hit probability
basic load on vehicle 8
reload time (min) 3
fire control IR homing, cooled seeker, dual frequency
radar(s) SNAP SHOT (range only)
PIE RACK (IFF)
emplace/displace time (min) 40 sec
support vehicles 14631
chassis MT-LB
speed, road 60
water 6
road range (kg) 500
crew 3



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Updated Saturday, October 16, 1999 12:37:49 PM