The development and production of the Su-35 (Russian designation Su-35S) fourth-plus generation super-manoeuvrable multi-role fighter is one of the top priority programmes of the Sukhoi Company, a United Aircraft Corporation (UAC) subsidiary. The final stage of the State Joint Acceptance tests is now underway. The flight tests fully proved the required primary specifications of the aircraft and its suite of onboard equipment. The tests also demonstrated its super-manoeuvrability, confirmed stability and controllability, and established the powerplant parameters and navigation system operability. Maximum speed at low level is Mach 1.1 (1,400km/h) or Mach 1.9 (2,400km/h) at altitude. The service ceiling is 18,000m (59,055ft). The radar target detection range is over 400km (216 nautical miles) in the air-to-air mode, which considerably exceeds that of current in-service aircraft.
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机译：Su-35（俄罗斯代号Su-35S）第四代以上超机动多用途战斗机的开发和生产是联合飞机公司（UAC）子公司Sukhoi Company的首要任务之一。国家联合验收测试的最后阶段目前正在进行中。飞行测试充分证明了飞机及其机载设备套件所需的主要规格。测试还证明了其超机动性，确认了稳定性和可控性，并确定了动力装置参数和导航系统的可操作性。在低空时的最高速度在海拔高度为1.1马赫（1,400 km / h）或1.9马赫（2,400 km / h）。服务上限为18,000m（59,055ft）。空对空模式下的雷达目标探测范围超过400公里（216海里），大大超过了目前在役飞机的探测范围。
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