Fmd-90 "Swan" UAV has a maximum take-off weight of 90 kg, a maximum load of 40kg, a endurance distance of 100km, and can resist class 7 wind (fixed wing) when flying in the air, with a maximum ceiling of 7000 meters, excellent performance and high cost performance. The aircraft has the characteristics of long flight time, high speed and long distance of fixed wing UAV and the function of vertical take-off and landing of rotary wing UAV. It can take off and land on grassland, sand, beach and other terrain, and has strong environmental adaptability. It is often used in high-altitude mountainous areas such as Tibet and Qinghai to carry out material delivery tasks, and can also be used for hanging flight tests, large-scale inspection and other tasks.