Overseer UAVRS-20 is a fixed wing UAV developed by CASM for various mission . UAVRS-20 is in conventional layout with high wing configuration with tricycle landing gear . Propulsion is provided by a two-blade driven tractor engine mounted in the nose . Overseer UAVRS-20 made its public debut in June 2010 in Beijing during the UAV exhibition held at Military Museum of the Chinese People 's Revolution , and it has been deployed in the post disaster assessment missions in 2008 Sichuan earthquake
2008 Sichuan earthquake
2008 Sichuan earthquake
CASM Overseer