Specially designed and developed for special forces, it is widely used in helicopter quick landing operations, realizing the problem of helicopter dropping personnel in the case of unable to land or too late to land, and providing a complete solution of special patrol dropping/extraction system.The evacuation lifting system can carry out efficient emergency evacuation of personnel (4-8 people) and lifting of weapons and equipment. Design efficient and safe evacuation plan for different types of aircraft, evacuating number of items.