The upgraded ZSU-23-4M4 is intended to protect stationary installations as well as wheeled and armored troops on march against low and extremely low tactical aircrafts and helicopters. Also, it is efficient to engage ground and naval light armored targets.
The upgraded ZSU-23-4M4 may be optionaly equipped with 'Strelets' modules to launch missiles of 'Igla' family, to extend the kill zone up to 5 km; with optoelectronic facilities to enable round-the-clock combat operation to protect stationary sensible points in passive mode.
The suggested upgrade convert ZSU-23-4M4 into advanced modern Air Defence system, which can be easy integrated in any operational structures. The system can operate under active ECM environment, in severe weather conditions and dusty atmosphere, day and night time, on the march and in static positions, like no other Air Defence system with optical sight and control.
Main features of the ZSU-23-4M4 before and after upgrade:
1. Air target detection envelope within the unified Air Defence system, km: 12 / 34 2. Target detection time by the radar in quick circular search, s: 18 / 6 3. Main computer processing time, s: 10 / 3.5 4. Radio channel target tracking lowest altitude, m: 100 / 20 5. Aerial targets engagement probability in radio channel mode: 0.07-0.12 / 0.3 - 0.6 6. Value of targets engaged by allowed ammunition (2000 rounds): 0.8 / up to 4 7. Value of targets engaged by a barrel package (4500 rounds per barrel): 4-7 / 36-40 8. Consumption of rounds per one engaged targets: 3300-5700 / 300-600 9. Number of salvos required to engage a target at consumption of 300 rounds per salvo: 11-19 / 1-2