UPDATE 12.25pm: A pilot has died in a helicopter crash in the Kimberley region.
A pilot of the aircraft, believed to be a 40-year-old man, was killed in the crash which happened overnight.
The helicopter crashed in a gorge next to the Margaret River at the edge of Margaret River Station, which borders Louisa Downs Station. It is now submerged.
The wreckage is not accessible by road. Water Police are heading to the scene from Perth but are not expected to reach the area until tomorrow.
Police battled rough terrain to reach the crash site.
Louisa Downs Station is located between Fitzroy Crossing and Halls Creek.
Two pilots are believed to have been returning to Larrawa Station, where they were staying, when the crash occurred.
The crash, about 140km south-west of Halls Creek, was reported to police at about 7.30pm yesterday.
Initial reports suggested the helicopter had struck a rock face and plunged into water.
The pilot was believed to be the sole occupant of the helicopter.
There are no roads into the crash area, Inspector Neil Blair said.
The search for the wreckage resumed at first light this morning.
A helicopter crash claimed the life of nearby Brooking Springs station pastoralist Jillian Jenyns about 18 months ago.That crash happened near Fitzroy Crossing, as Ms Jenyns returned home from mustering cattle.
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