S-125-ML “Pechora-ML”

Composition missile guidance radar SNR-125-ML;

SM-RB-125-ML missile battery (comprising four launchers 5P73-2L);

autonomous power supply system SAES-ML;

set of power cables KS-ML;

set of control cables KU-ML;

spare parts, tools and accessories kit.

Upgraded Surface-to-Air Missile System S-125-ML is intended for protecting political and administ-rative centres, strategic civil and military sites, fri-endly forces against various means of enemy air attack.

S-125-ML may additionally include:

upgraded target acquisition radars such as P-18ML, P-19ML, PRV-16ML;

step-down transformer unit providing connection to high-voltage lines;

wheeled chassis for system transportation.

SNR-125-ML missile guidance radar consists of:

UNV-ML antenna post;

UNK-ML control cabin.

SM-RB-125-ML missile battery may comprise up to four 5P73-ML launchers with four guiding rails each for 5V27U, 5V27GU, 5V27GPU, 5V27D missiles and up to eight PR-14A (LM) transporter-loader vehicles.

The upgraded S-125-ML system features capability to detect and destroy low-flying targets, cruise missiles, including very low observable (VLO) (“stealth”);

improved jamming resistance to all kinds of active and passive jamming, clutter due to application of new hardware techno-logies, jamming resistance and signal processing techniques;

automation of:

– control from superior command post;

– acquisition and processing of surveillance data;

– detection and tracking of targets;

– selection of optimal modes for particular missile launch conditions;

– missile preparation and launching;

– monitoring of technical status and operability of system components;

– recording of all data on operation of the ADMS major elements;

– crew training;

expansion of kill envelope, enchancement of target kill probabi-lity in conditions of passive interference and intensive jamming due to introduction of new missile guidance method, optimized radar processing techniques, increased detection and tracking range;

capability of fully automatic target optical tracking;

reduced response time and firing cycle;

extended service life — up to 15 years;

improved reliability and MTBF (1500 hours) due to new component base;

GPS-based automatic topographic reference and alignment of system components at site of operation;

advanced techniques for voice transmission;

digital data exchange between system components, superior command post and other consumers;

interfacing capability with a wide range of surveillance sensors and control systems;

evaluation of combat results due to recording and processing of all data on system operation;

crew training capability by simulating air situation of any type and friendly actions;

reduced number of system components. Standardized, modular configuration of equipment;

notably simplified maintenance of system;

reduced power consumption;

improved ergonomics.

Channel capacity, target/missile 1/2

Maximum detection range (tactical fighter): – at 7 km altitude – at 0.35 km altitude – at 0.05 km altitude

46 km34 km28 km

Engagement range (tactical fighter): – at 7 km altitude – at 0.35 km altitude – at 0.05 km altitude

37 km27 km25 km

Maximum speed of engaged targets: – approaching – receding

800 m/s300 m/s

2Range of detection and stable tracking of targets with RCS of 0.1 m : – Rdet

– Rtr

19 – 21 km11 – 15 km

minimal engagement altitude

maximum engagement altitude

range to near boundary

maximum horizontal range to remote boundary

maximum slant range to remote boundary

maximum course parameter

Single-shot kill probability of a target (P ):k

– tactical fighter – cruise missile

Parameter

Performance characteristics of S-125M1 and S-125-ML

New UNK-ML control cabin is implemented in a shelter on wheeled chassis with high cross-country ability. The shelter contains three or four work-stations, data processing servers, communications equipment as well as a separate compartment with power generators for autonomous power supply. Control cabin is the main control element of the system and features advanced microcircuitry and components.

All elements of UNV-ML antenna post are implemented on up-to-date solid-state components and micro circuits resulting in enhanced para-meters, reduced weight and dimensions, enhanced operational reliability, reduced power consumption. All elements of the antenna post are install-ed on one semi-trailer to improve mobility. The semi-trailer is additionally equipped with crane manipulator to minimize stow/deploy time.

Upgraded 5P73-ML launcher's actuators are replaced with new integrated servo drives, the new system for missile preparation and launching and GPS are installed. Four hydraulic jacks are installed on launcher mount to reduce stow/deploy time. The jacks lift launcher mount sufficiently to enable quick de-attachment of axles.

SAES-ML cabin is the main power supply and distribution unit for the elements of S-125-ML system.

SAES-ML generates 3-phase, 380V, 50 Hz power from diesel power generators or provides power from mains, transforms 3-phase voltage into 220V single phases and distributes power to all system components.

SAES-ML cabin is mounted on a two-axle vehicle in a shelter accommodating power generators and control equipment.

before upgrade after upgrade

1/2

39 km28 km23 km

30.5 km22.5 km21 km

700 m/s300 m/s

15 – 17 km9 – 12 km

0.02 km

18 km

3.5 km

17 km

25 km

16 km

0.45 – 0.90.04 – 0.48

Parameters of engagement envelope:

0.02 km

21 km

3.5 km

27 km

34 km

24 km

0.7 – 0.980.35 – 0.85

SAM guidance methods: – three point (TP) – half lead (HL) – optimal dynamic control (ODC)

yesyes–

modifiedmodified

yes

Target channel auto-tracking modes: – radar – TV/optical – thermal optical

yes––

yesyes

option

Protection from jamming: – clutter rejection by MTI – asynchronous interference rejection – ECCM against deception repeaters – ECCM against noise jamming (2700 W/MHZ with 100km equivalent range)

up to 40 dByesyesyes

Time to acquire target 2.5 – 3 s

Interfacing with IFF interrogator Option(type chosen by customer)

Simultaneously interfaced launchers

up to 30 dB–––

10 – 15 s

“Parol-4” system

up to 4 up to 4

Parameter

Power supply: – power consumption – connection to mains 3-phase, 380V, 50Hz – 3-phase 220V 400Hz requirement

more than 100 kW–

yes

not more than 45 kWyes–

Autonomous power supply: – complex power generator – autonomous power generators at UNV, UNK and launchers – UPS at UNK cabin (40 min of operation)

yes––

yes (with standby)yesyes

Automatic technical monitoring

Number of maintenance operations

–

454

yes

47

Deploy/stow time at site of operation: – standard mode – express mode

2 h 10 min–

35 min10 min

Number of cables used

Cross-country ability

MTBF

Target acquisition from radars with digital output

Direct automated control from command post

Built-in radios for data and voice transmission

Built-in GPS

Recording of all operations

Automatic recording of technical data

Built-in planning and integrated training mode (on simulated targets against real ground and air situation)

103

not less than 45 h

–

–

–

–

–

–

–

24

not worse than prototype

not less than 1500 h

yes (up to 4)

yes

option

yes

yes

yes

yes

before upgrade after upgrade