A General unmanned helicopter suitable for plateau section with traditional
 structure of single rotor wing plus tail propeller.
◆ Main rotor propeller and tail propeller with hiveless connection, free from
maintenance；
◆ Tail backbone and landing gear can be removed and reassembled easily, 
suitable for transportation;
◆ Module design makes whole device easy to maintenance;
◆ It supports different work load to complete multiple mission and equipped 
with approved mature and redundancy avionics system.