def terrain_check_send(self, lat, lon, force_mavlink1=False):
                '''
                Request that the vehicle report terrain height at the given location.
                Used by GCS to check if vehicle has all terrain data
                needed for a mission.

                lat                       : Latitude (degrees *10^7) (int32_t)
                lon                       : Longitude (degrees *10^7) (int32_t)

                '''
                return self.send(self.terrain_check_encode(lat, lon), force_mavlink1=force_mavlink1)
Request that the vehicle report terrain height at the given location.
                Used by GCS to check if vehicle has all terrain data
                needed for a mission.

                lat                       : Latitude (degrees *10^7) (int32_t)
                lon                       : Longitude (degrees *10^7) (int32_t)