Three injured in SA chopper crash

A pilot and his two passengers are recovering in hospital after their helicopter crashed in South Australia's far north.

Three men are recovering in an Adelaide hospital after a helicopter crash in SA's far north.

A 58-year-old pilot from Adelaide and two Queenslanders aged 32 and 38 were seriously injured when the helicopter they were in came down northeast of Hawker in the Flinders Ranges on Sunday.

They were airlifted to the Royal Adelaide Hospital.

The Australian Transport Safety Bureau is investigating the crash.