Two people have walked away from a helicopter crash at Jandakot Airport on Monday afternoon.

Police were called to the crash around 3.30pm, with several fire-fighting appliances and paramedics also at the scene.

The tail of the helicopter snapped off during a crash landing. Credit:9 News Perth

A Department of Fire and Emergency Services spokeswoman said a person was possibly trapped in the wreckage, but that the helicopter was not on fire.

Nine News Perth has since reported paramedics were treating "two walking wounded" from the crash.