FCD-20 composite wing vertical take-off and landing UAV is an electric long-endurance composite wing vertical take-off and landing UAV independently developed by our company. It adopts the overall layout of composite wings with fixed wings and quadrotors, which has the characteristics of 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 meet the complex terrain, weather and gathering areas such as mountains, hills, jungles, and seas.