Police have charged a man after he allegedly shone a light into a police aircraft on Sunday afternoon.
They will allege that about 1.25pm, officers in the aircraft reported that the man was using a mirror to reflect the sun at the helicopter in an attempt to hinder the pilot.
Officers on the ground attended the house in Mandurah and spoke to the only person at the property.
The mirror was found and seized.
The man has been charged with causing fear or alarm to the driver of conveyance and will be summonsed to appear in court at a later date.