In case your drone exceeds 250g in bodyweight, you will also need a Flyer ID. To acquire this, you might want to go an on-line examination that includes 40 multiple-choice questions. The responses are available while in the Drone Code and therefore are meant to boost safer flying practices. In https://www.aeroindustrial.com/por-que-el-dji-matrice-4t-es-el-futuro-de-las-operaciones-industriales-con-drones/