505-420E6 is a multirotor developed by Ruiyueqin , and it is an unmanned hexacopter with a pair of skids as landing gear . Each rotor has a two-blade rotary wing . 505-420E6 has been deployed by People 's Armed Police ( PAP ) in disaster relief efforts in 2013 Dingxi earthquakes
2013 Dingxi earthquakes
2013 Dingxi earthquakes
Ruiyueqin UAV