The SA Police on Monday confirmed that a 50-year-old pilot died overnight after being taken to the Royal Adelaide Hospital in a critical condition following the crash, Xinhua reported.
The pilot's 24-year-old son died at the scene on Sunday evening.
The pair were traveling in a Cessna light aircraft when it struck power lines and crashed into a field near the small town of Crystal Brook, approximately 200 km north of Adelaide, after 4:00 p.m. local time on Sunday.
AMK/PR