摘要:Modern and innovative de-icing sprinkler-flusher airport machines are now equipped with special arm system. The vehicle arms are manufactured for removal of ice or frost from the surfaces of the airports runways and areas by pouring designated for that chemicals substances. The paper presents a study of the performance of airport de-icing vehicle's arms, establishes numerical simulation model of the arm system by threedimensional software and finite element analysis software. Based on the numerical modelling and analysis, the work focuses on study of the strength and stiffness of airport de-icing vehicle's arm and researched the distribution of stress and deformation under the most dangerous condition. The results show that designed double-arm system can be optimized and manufactured from different, light materials and shows dangerous displacement concentration areas of the arm structure. It has important guiding significance to the optimization and manufacturing production of the arm structure.