US US2025307484A1
[0000] A technique for maintaining a backend terrain model used by a fleet of unmanned aerial vehicles (UAVs) of a UAV service supplier (USS) includes acquiring sensor data of a terrain below a first UAV of the fleet of UAVs as the first UAV executes a mission. The sensor data is analyzed with a terrain detection module disposed on-board the first UAV to determine whether the terrain deviates from a local terrain model describing the terrain. The local terrain model is stored on-board the first UAV. A terrain deviation message is issued from the first UAV to a backend management system of the USS that maintains the backend terrain model in response to a determination that the terrain deviates from the local terrain model. The terrain deviation message includes an indication that a deviant terrain has been identified and location data indicating an approximate location of the deviant terrain.
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