The RAC rescue helicopter airlifted two people to Perth from separate crashes yesterday.
A man sustained leg injuries when he crashed his quad bike near Old Yanchep Road in Pinjar about 2.45pm.
The rescue helicopter flew the man to Royal Perth Hospital for treatment for a possible broken leg.
An hour later, the helicopter was called to a single-vehicle crash in North Bannister, about 90km south-east of Perth.
It is believed the driver had fallen asleep at the wheel, before crashing into a tree off North Bannister-Wandering Road.The rescue helicopter airlifted the patient to RPH with suspected minor injuries.