Two men have died after a tandem skydiving lesson south of Sydney went wrong, but the cause is still unknown.
A Sydney Skydivers instructor aged in his 60s, and his student in his 20s, plunged to their deaths at Wilton, located between Sydney and Wollongong.
A local resident called police to the front of a rural property on Wilton Road at about 2pm on Saturday.
It is understood the pair took off from the nearby Sydney Skydiver's centre, which was also their intended landing zone, but crashed onto a driveway about one kilometre away.
Police have established a crime scene and are investigating.
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A spokesman for Sydney Skydivers said the exact cause of the incident was not yet known, but more information would be released once police and safety officers from the Australian Parachute Federation finished their investigations.
Owner Phil Onis told News Corp Australia that his instructor had been skydiving for more than 20 years.
"He was an experienced skydiver," he said.
"We are keen to get in there and find out what happened.
"This has never happened before."
A skydiver was killed at the same drop zone in 2012 after a mid-air collision with another jumper.
A report is being prepared for the coroner.
