Police said they were making inquiries after being made aware of a male in critical condition at Christchurch Hospital.
St John confirmed to Stuff it sent an ambulance and helicopter to Swallow Drive in Pukaki at 5.56pm on October 17.
Skydive Mount Cook’s website says it trains photographers to jump out with skydivers to capture thrill-seekers thousands of metres in the air.
“They hang outside of the plane, waiting for the moment you dive, then impressively control their movements to join up with you and film the very best perspectives,” the website describes.