麦蚜是为害小麦的主要害虫，其发生密度大、繁殖速度快、短时间内大范围暴发，严重影响小麦产量。利用飞机喷洒杀虫剂及时、有效地防治麦蚜，是保证小麦丰产、丰收的有效措施。 　　以往飞机防治麦蚜主要应用“运五”轻型飞机，其优点是单机飞防面积大、抗风力较强，但受专业机 Wheat aphid is the main pest of wheat, its occurrence density, propagation speed, a wide range of short-term outbreak, seriously affecting wheat yield. The use of aircraft spraying insecticide timely and effective control of wheat aphid is to ensure that the wheat yield and effective measures. In the past, the main application of the aircraft control wheat aphid “transport five” light aircraft, its advantages are large single fly defense area, strong wind resistance, but by professional machine