On the basis of the DZY02, DZY02S mainly to solve the security issues of GPS lost protection.In the air after the loss of GPS, DZY02S will immediately call another set of attitude reference system and control aircraft circling at a roll angle set. After GPS recovery, Satellites number more than six and lasts for 20 seconds, the autopilot will recall the GPS positioning system, amd continue the flight route uncompleted.  

Autopilot DZY02S