Police are currently at the scene of a light aircraft crash in Black Range near Stawell, Victoria Police say.
It is believed the fixed-wing aircraft has come down just north of the Stawell airfield shortly before 1pm.
Two men, understood to be aged in their 40s, have sustained life-threatening injuries.
Both are being treated at the scene and are expected to be airlifted to hospital.
Australian Transport Safety Bureau (ATSB) has been notified of the incident and the investigation into the cause of the crash remains ongoing.