mi) Effective altitude: 1,500-2,000 m (4,921-6,562 ft) Crew: 6 Operators – 100 – 128 – 29 – 12 – Type 85, Type 87 (25*183 mmB, not 23*152 mm) – 5 – Type 80< – 220 ZU-23-2 and more than 81 self-propelled Sinai-23 – 198, some mounted on MAN 4520 6x6 trucks. Tigray Defense Forces – 1,100 – 24 - 4 - 503 – About 200, 40 mounted on MT-LB, some on ZIL-131 trucks and navy Vessels. Applied to RWS. – 4 – 18 – 320 towed and more truck-mounted – 4 system ZUR-23-kg-I as part of the "Kobra" AD system for the TNI-AD + 18 Giant Bow twin 23mm gun as part of the Giant Bow II AD system for the TNI-AD - 300 - 150, Captured from Arab Armies over the Arab-Israeli Conflict. – 3 ZU-23-2MR Wróbel II on Imanta and Viesturs ships. – 57, some mounted on M113 APC's – most mounted on light vehicles – 20 – 75-90 – 28, some mounted on BTR-D – 120 – 380 Type 87 - some South-African Zumlac – 18 Boko Haram - 4 People's Defense Units (YPG) – 80 – 252 ZU-23 and 72 ZUR-23-2 series – Zumlac on an armoured SAMIL 100 heavy truck. Captured in Angola in the 1980s. 36 in store. Sudan People's Liberation Movement-North – 40 – 5 – Testing only – ~200 – 200 – 45 Former operators – 12 – 12 were captured from Soviet-supplied militants during the Rhodesian Bush War. – Passed on to successor states. See also List of Russian weaponry Zastava M55 ZPU References Leigh Neville, Technicals: Non-Standard Tactical Vehicles from the Great Toyota War to modern Special Forces, New Vanguard series 257, Osprey Publishing Ltd, Oxford 2018. External links Russian producer Enemyforces.com Gulflink Photo gallery at pvo.guns.ru Type 85 Twin-23mm Towed Anti-Aircraft Artillery Type 87 Twin-25mm Towed Anti-Aircraft Artillery Slovak Field upgrade kits producer Autocannons of the Soviet Union Anti-aircraft guns of the Soviet Union Anti-aircraft weapons of Russia Anti-aircraft guns of the Cold War Artillery of Finland Weapons of Poland Weapons and ammunition introduced in 1960 23 mm artillery