As an important force in the three-dimensional combat of the Army, the Army Aviation Corps plays an important role in fire support, three-dimensional supply, and comprehensive service guarantee. However, its construction form and operational requirements, in low altitude ultra-low altitude and low speed to perform tasks, resulting in its service environment and combat environment is more severe. Therefore, it is necessary to ensure the integrity of helicopter operational and meet the operational requirements by rationally designing the fuselage structure, improving the ability to adapt to the marine environment, and establishing a complete battle injury repair capability.