RAC Rescue has been sent to a crash on Ravensbourne St in Yanchep, where a person has been injured.
At 9.53am an Emergency Alert said the helicopter was landing at Jindowie Community Oval.
Career firefighters from Butler and volunteer firefighters from Yanchep are at the scene and are helping the injured person.
More information will be released when known.
The RAC Rescue helicopters are funded by the State Government, managed by the Department of Fire and Emergency Services (DFES) and sponsored by RAC.
