Electric RC aircraft are not known for long flight ... The airframe is a Phoenix 2400 motor glider, with a 2.4 m wingspan, powered by a 600 Kv brushless motor turning a 12 x 12 propeller.
"Emergency services tried to resuscitate the two occupants of the aircraft but unfortunately ... Gliding Australia said the glider that crashed was a Grob G109B Motor-Glider.