Estabilidad y Seguridad: El diseño hexacóptero ofrece estabilidad adicional y seguridad en caso de fallo de un motor. *The safety rating is not really permanent and will cut down after some time soon after long-term use due to growing older and use. The security scores of the aircraft pointed out https://www.aeroindustrial.com/product/dji-terra-pro-overseas-perpetual-3-dispositivos/