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Y7-200A飞机按照CCAR-25部进行了我国首次模拟冰型和自然结冰的飞行试验.试飞的目的是评定飞机在结冰环境中使用时,其性能和操作稳定品质下降的情况及剩余的性能水平是否可以接受.Y7-200A在机翼、平尾、垂尾前缘等部位采用了美国进口的气动式除冰系统,在螺旋桨桨叶、风挡玻璃、空速管和迎角传感器等部位采用电加温防冰系统.Y7-100及其选装型飞机各翼面上采用的是发动机热空气防冰,
Y7-200A aircraft carried out the first flight test simulating icy and natural icing in China in accordance with CCAR-25. The purpose of the test flight was to assess the deterioration of the performance and operating stability of the aircraft as it was used in an icy environment and the remaining Y7-200A adopts the pneumatic deicing system imported from the United States at the wings, tail and tail of the tail, and is used in propeller blades, windshields, airspeed tubes and angle of attack sensors, etc. Electric heating anti-ice system.Y7-100 and its optional aircraft wing is used on the engine hot air anti-ice,