We have reviewed a lot of other drones which did not really make the Slice, over. Here are some honorable mentions to contemplate: Carry out hazard assessments and pre-flight safety inspections with the assistance of developed-in or custom made templates Crash-avoidance sensors: Many modern drones have sensors that detect obstacles https://www.aeroindustrial.com/product/dji-terra-upgrade-and-maintenance-fee-pro-overseas-permanent-1-device/